* [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) @ 2024-02-01 11:04 syzbot 2024-02-01 16:17 ` Gao Xiang 0 siblings, 1 reply; 6+ messages in thread From: syzbot @ 2024-02-01 11:04 UTC (permalink / raw) To: chao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang Hello, syzbot found the following issue on: HEAD commit: 9f8413c4a66f Merge tag 'cgroup-for-6.8' of git://git.kerne.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=13d26b1fe80000 kernel config: https://syzkaller.appspot.com/x/.config?x=656820e61b758b15 dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11377218180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111fd038180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/79d9f2f4b065/disk-9f8413c4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cbc68430d9c6/vmlinux-9f8413c4.xz kernel image: https://storage.googleapis.com/syzbot-assets/9740ad9fc172/bzImage-9f8413c4.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/2f79f30d7608/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+88ad8b0517a9d3bb9dc8@syzkaller.appspotmail.com erofs: (device loop0): z_erofs_lz4_decompress_mem: failed to decompress -42 in[46, 0] out[9000] ===================================================== BUG: KMSAN: uninit-value in hex_dump_to_buffer+0xae9/0x10f0 lib/hexdump.c:194 hex_dump_to_buffer+0xae9/0x10f0 lib/hexdump.c:194 print_hex_dump+0x13d/0x3e0 lib/hexdump.c:276 z_erofs_lz4_decompress_mem fs/erofs/decompressor.c:252 [inline] z_erofs_lz4_decompress+0x257e/0x2a70 fs/erofs/decompressor.c:311 z_erofs_decompress_pcluster fs/erofs/zdata.c:1290 [inline] z_erofs_decompress_queue+0x338c/0x6460 fs/erofs/zdata.c:1372 z_erofs_decompressqueue_work+0x57/0x70 fs/erofs/zdata.c:1387 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2706 worker_thread+0xf45/0x1490 kernel/workqueue.c:2787 kthread+0x3ed/0x540 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Uninit was created at: __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4591 alloc_pages_mpol+0x62b/0x9d0 mm/mempolicy.c:2133 alloc_pages mm/mempolicy.c:2204 [inline] folio_alloc+0x1da/0x380 mm/mempolicy.c:2211 filemap_alloc_folio+0xa5/0x430 mm/filemap.c:974 page_cache_ra_unbounded+0x2cc/0x960 mm/readahead.c:247 do_page_cache_ra mm/readahead.c:299 [inline] page_cache_ra_order+0xfeb/0x10a0 mm/readahead.c:546 ondemand_readahead+0x132b/0x1710 mm/readahead.c:668 page_cache_sync_ra+0x724/0x760 mm/readahead.c:695 page_cache_sync_readahead include/linux/pagemap.h:1283 [inline] filemap_get_pages+0x4c7/0x2c90 mm/filemap.c:2497 filemap_read+0x59e/0x14d0 mm/filemap.c:2593 generic_file_read_iter+0x136/0xad0 mm/filemap.c:2781 __kernel_read+0x3bb/0x9e0 fs/read_write.c:434 integrity_kernel_read+0x77/0x90 security/integrity/iint.c:221 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x1743/0x3cc0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x44d/0xdd0 security/integrity/ima/ima_api.c:290 process_measurement+0x2936/0x3ef0 security/integrity/ima/ima_main.c:359 ima_file_check+0xb3/0x100 security/integrity/ima/ima_main.c:557 do_open fs/namei.c:3624 [inline] path_openat+0x4d05/0x5ac0 fs/namei.c:3779 do_filp_open+0x20d/0x590 fs/namei.c:3806 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_open fs/open.c:1427 [inline] __se_sys_open fs/open.c:1423 [inline] __x64_sys_open+0x275/0x2d0 fs/open.c:1423 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 4393 Comm: kworker/u5:1 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: erofs_worker z_erofs_decompressqueue_work ===================================================== --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) 2024-02-01 11:04 [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) syzbot @ 2024-02-01 16:17 ` Gao Xiang 2024-02-01 16:57 ` syzbot 0 siblings, 1 reply; 6+ messages in thread From: Gao Xiang @ 2024-02-01 16:17 UTC (permalink / raw) To: syzbot, chao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master On 2024/2/1 19:04, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 9f8413c4a66f Merge tag 'cgroup-for-6.8' of git://git.kerne.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=13d26b1fe80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=656820e61b758b15 > dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11377218180000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111fd038180000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/79d9f2f4b065/disk-9f8413c4.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/cbc68430d9c6/vmlinux-9f8413c4.xz > kernel image: https://storage.googleapis.com/syzbot-assets/9740ad9fc172/bzImage-9f8413c4.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/2f79f30d7608/mount_0.gz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+88ad8b0517a9d3bb9dc8@syzkaller.appspotmail.com > > erofs: (device loop0): z_erofs_lz4_decompress_mem: failed to decompress -42 in[46, 0] out[9000] > ===================================================== > BUG: KMSAN: uninit-value in hex_dump_to_buffer+0xae9/0x10f0 lib/hexdump.c:194 > hex_dump_to_buffer+0xae9/0x10f0 lib/hexdump.c:194 > print_hex_dump+0x13d/0x3e0 lib/hexdump.c:276 > z_erofs_lz4_decompress_mem fs/erofs/decompressor.c:252 [inline] > z_erofs_lz4_decompress+0x257e/0x2a70 fs/erofs/decompressor.c:311 > z_erofs_decompress_pcluster fs/erofs/zdata.c:1290 [inline] > z_erofs_decompress_queue+0x338c/0x6460 fs/erofs/zdata.c:1372 > z_erofs_decompressqueue_work+0x57/0x70 fs/erofs/zdata.c:1387 > process_one_work kernel/workqueue.c:2633 [inline] > process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2706 > worker_thread+0xf45/0x1490 kernel/workqueue.c:2787 > kthread+0x3ed/0x540 kernel/kthread.c:388 > ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 > > Uninit was created at: > __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4591 > alloc_pages_mpol+0x62b/0x9d0 mm/mempolicy.c:2133 > alloc_pages mm/mempolicy.c:2204 [inline] > folio_alloc+0x1da/0x380 mm/mempolicy.c:2211 > filemap_alloc_folio+0xa5/0x430 mm/filemap.c:974 > page_cache_ra_unbounded+0x2cc/0x960 mm/readahead.c:247 > do_page_cache_ra mm/readahead.c:299 [inline] > page_cache_ra_order+0xfeb/0x10a0 mm/readahead.c:546 > ondemand_readahead+0x132b/0x1710 mm/readahead.c:668 > page_cache_sync_ra+0x724/0x760 mm/readahead.c:695 > page_cache_sync_readahead include/linux/pagemap.h:1283 [inline] > filemap_get_pages+0x4c7/0x2c90 mm/filemap.c:2497 > filemap_read+0x59e/0x14d0 mm/filemap.c:2593 > generic_file_read_iter+0x136/0xad0 mm/filemap.c:2781 > __kernel_read+0x3bb/0x9e0 fs/read_write.c:434 > integrity_kernel_read+0x77/0x90 security/integrity/iint.c:221 > ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] > ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] > ima_calc_file_hash+0x1743/0x3cc0 security/integrity/ima/ima_crypto.c:573 > ima_collect_measurement+0x44d/0xdd0 security/integrity/ima/ima_api.c:290 > process_measurement+0x2936/0x3ef0 security/integrity/ima/ima_main.c:359 > ima_file_check+0xb3/0x100 security/integrity/ima/ima_main.c:557 > do_open fs/namei.c:3624 [inline] > path_openat+0x4d05/0x5ac0 fs/namei.c:3779 > do_filp_open+0x20d/0x590 fs/namei.c:3806 > do_sys_openat2+0x1bf/0x2f0 fs/open.c:1404 > do_sys_open fs/open.c:1419 [inline] > __do_sys_open fs/open.c:1427 [inline] > __se_sys_open fs/open.c:1423 [inline] > __x64_sys_open+0x275/0x2d0 fs/open.c:1423 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x63/0x6b > > CPU: 0 PID: 4393 Comm: kworker/u5:1 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 > Workqueue: erofs_worker z_erofs_decompressqueue_work > ===================================================== > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > If the report is already addressed, let syzbot know by replying with: > #syz fix: exact-commit-title > > If you want syzbot to run the reproducer, reply with: > #syz test: git://repo/address.git branch-or-commit-hash > If you attach or paste a git patch, syzbot will apply it before testing. > > If you want to overwrite report's subsystems, reply with: > #syz set subsystems: new-subsystem > (See the list of subsystem names on the web dashboard) > > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report > > If you want to undo deduplication, reply with: > #syz undup ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) 2024-02-01 16:17 ` Gao Xiang @ 2024-02-01 16:57 ` syzbot 2024-02-20 6:50 ` Gao Xiang 0 siblings, 1 reply; 6+ messages in thread From: syzbot @ 2024-02-01 16:57 UTC (permalink / raw) To: chao, hsiangkao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang Hello, syzbot tried to test the proposed patch but the build/boot failed: [ T1] NFS: Registering the id_resolver key type [ 20.847533][ T1] Key type id_resolver registered [ 20.852991][ T1] Key type id_legacy registered [ 20.859477][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 20.868251][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 20.901326][ T1] Key type cifs.spnego registered [ 20.907727][ T1] Key type cifs.idmap registered [ 20.917413][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 20.923298][ T1] ntfs3: Max link count 4000 [ 20.928297][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 20.934148][ T1] ntfs3: Read-only LZX/Xpress compression included [ 20.941172][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 20.947393][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 20.953397][ T1] QNX4 filesystem 0.2.3 registered. [ 20.958982][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 20.965985][ T1] fuse: init (API version 7.39) [ 20.976858][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 20.985505][ T1] orangefs_init: module version upstream loaded [ 20.993572][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 21.034087][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 21.051635][ T1] 9p: Installing v9fs 9p2000 file system support [ 21.058997][ T1] NILFS version 2 loaded [ 21.063484][ T1] befs: version: 0.9.3 [ 21.068879][ T1] ocfs2: Registered cluster interface o2cb [ 21.075961][ T1] ocfs2: Registered cluster interface user [ 21.083257][ T1] OCFS2 User DLM kernel interface loaded [ 21.102750][ T1] gfs2: GFS2 installed [ 21.142225][ T1] ceph: loaded (mds proto 32) [ 25.265679][ T1] NET: Registered PF_ALG protocol family [ 25.271965][ T1] xor: automatically using best checksumming function avx [ 25.280055][ T1] async_tx: api initialized (async) [ 25.285498][ T1] Key type asymmetric registered [ 25.290927][ T1] Asymmetric key parser 'x509' registered [ 25.296825][ T1] Asymmetric key parser 'pkcs8' registered [ 25.302732][ T1] Key type pkcs7_test registered [ 25.308482][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 25.318600][ T1] io scheduler mq-deadline registered [ 25.324054][ T1] io scheduler kyber registered [ 25.331126][ T1] io scheduler bfq registered [ 25.347558][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 25.363347][ T136] kworker/u4:0 (136) used greatest stack depth: 11000 bytes left [ 25.374100][ T1] ACPI: button: Power Button [PWRF] [ 25.381760][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 25.392277][ T1] ACPI: button: Sleep Button [SLPF] [ 25.414526][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 25.499231][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 25.505226][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 25.579195][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 25.585070][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 25.662347][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 25.668284][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 25.725221][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 26.750369][ T1] N_HDLC line discipline registered with maxframe=4096 [ 26.758188][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 26.770021][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 26.799322][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 26.828884][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 26.856640][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 26.903869][ T1] Non-volatile memory driver v1.3 [ 26.925949][ T1] Linux agpgart interface v0.103 [ 26.944845][ T1] ACPI: bus type drm_connector registered [ 26.963460][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 26.985308][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 27.457414][ T1] Console: switching to colour frame buffer device 128x48 [ 27.612960][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 27.621207][ T1] usbcore: registered new interface driver udl [ 27.785853][ T1] brd: module loaded [ 27.962515][ T1] loop: module loaded [ 28.204419][ T1] zram: Added device: zram0 [ 28.227930][ T1] null_blk: disk nullb0 created [ 28.232984][ T1] null_blk: module loaded [ 28.238841][ T1] Guest personality initialized and is inactive [ 28.247691][ T1] VMCI host device registered (name=vmci, major=10, minor=118) [ 28.255558][ T1] Initialized host personality [ 28.261000][ T1] usbcore: registered new interface driver rtsx_usb [ 28.269847][ T1] usbcore: registered new interface driver viperboard [ 28.277538][ T1] usbcore: registered new interface driver dln2 [ 28.284724][ T1] usbcore: registered new interface driver pn533_usb [ 28.297696][ T1] nfcsim 0.2 initialized [ 28.302508][ T1] usbcore: registered new interface driver port100 [ 28.309540][ T1] usbcore: registered new interface driver nfcmrvl [ 28.325751][ T1] Loading iSCSI transport class v2.0-870. [ 28.358008][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 28.395519][ T1] scsi host0: Virtio SCSI HBA [ 28.917048][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 28.933542][ T11] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 28.978523][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 28.988652][ T1] db_root: cannot open: /etc/target [ 29.035870][ T1] ===================================================== [ 29.036118][ T1] BUG: KMSAN: use-after-free in __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] stack_depot_save+0x12/0x20 [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] netdev_hold+0xe2/0x120 [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] bond_create+0x138/0x2a0 [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] do_one_initcall+0x216/0x960 [ 29.036138][ T1] do_initcall_level+0x140/0x350 [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] do_basic_setup+0x22/0x30 [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ret_from_fork+0x66/0x80 [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] [ 29.036138][ T1] Uninit was created at: [ 29.036138][ T1] free_unref_page_prepare+0xc1/0xad0 [ 29.036138][ T1] free_unref_page+0x58/0x6d0 [ 29.036138][ T1] __free_pages+0xb1/0x1f0 [ 29.036138][ T1] thread_stack_free_rcu+0x97/0xb0 [ 29.036138][ T1] rcu_core+0xa3c/0x1df0 [ 29.036138][ T1] rcu_core_si+0x12/0x20 [ 29.036138][ T1] __do_softirq+0x1b7/0x7c3 [ 29.036138][ T1] [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc2-syzkaller-g6764c317b6bb #0 [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 29.036138][ T1] ===================================================== [ 29.036138][ T1] Disabling lock debugging due to kernel taint [ 29.036138][ T1] Kernel panic - not syncing: kmsan.panic set ... [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 6.8.0-rc2-syzkaller-g6764c317b6bb #0 [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 29.036138][ T1] Call Trace: [ 29.036138][ T1] <TASK> [ 29.036138][ T1] dump_stack_lvl+0x1bf/0x240 [ 29.036138][ T1] dump_stack+0x1e/0x20 [ 29.036138][ T1] panic+0x4de/0xc90 [ 29.036138][ T1] kmsan_report+0x2d0/0x2d0 [ 29.036138][ T1] ? cleanup_uevent_env+0x30/0x50 [ 29.036138][ T1] ? netdev_queue_update_kobjects+0x3f5/0x870 [ 29.036138][ T1] ? netdev_register_kobject+0x41e/0x520 [ 29.036138][ T1] ? register_netdevice+0x198f/0x2170 [ 29.036138][ T1] ? __msan_warning+0x96/0x110 [ 29.036138][ T1] ? __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] ? stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] ? stack_depot_save+0x12/0x20 [ 29.036138][ T1] ? ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? bond_create+0x138/0x2a0 [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] __msan_warning+0x96/0x110 [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] stack_depot_save+0x12/0x20 [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? bond_create+0x138/0x2a0 [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 29.036138][ T1] netdev_hold+0xe2/0x120 [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] bond_create+0x138/0x2a0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] ? kmsan_get_metadata+0x60/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 29.036138][ T1] ? skip_spaces+0x8f/0xc0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? parse_args+0x1511/0x15e0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] do_initcall_level+0x140/0x350 [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? arch_cpuhp_init_parallel_bringup+0xe0/0xe0 [ 29.036138][ T1] do_basic_setup+0x22/0x30 [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] </TASK> [ 29.036138][ T1] Kernel Offset: disabled syzkaller build log: go env (err=<nil>) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.21.4' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2170902610=/tmp/go-build -gno-record-gcc-switches' git status (err=<nil>) HEAD detached at 373b66cd2 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=12b5bad3e80000 Tested on: commit: 6764c317 Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f8b2756f2e75608e dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) 2024-02-01 16:57 ` syzbot @ 2024-02-20 6:50 ` Gao Xiang 2024-02-20 7:22 ` syzbot 0 siblings, 1 reply; 6+ messages in thread From: Gao Xiang @ 2024-02-20 6:50 UTC (permalink / raw) To: syzbot, chao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master On 2024/2/2 00:57, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but the build/boot failed: > > [ T1] NFS: Registering the id_resolver key type > [ 20.847533][ T1] Key type id_resolver registered > [ 20.852991][ T1] Key type id_legacy registered > [ 20.859477][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... > [ 20.868251][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... > [ 20.901326][ T1] Key type cifs.spnego registered > [ 20.907727][ T1] Key type cifs.idmap registered > [ 20.917413][ T1] ntfs: driver 2.1.32 [Flags: R/W]. > [ 20.923298][ T1] ntfs3: Max link count 4000 > [ 20.928297][ T1] ntfs3: Enabled Linux POSIX ACLs support > [ 20.934148][ T1] ntfs3: Read-only LZX/Xpress compression included > [ 20.941172][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ > [ 20.947393][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. > [ 20.953397][ T1] QNX4 filesystem 0.2.3 registered. > [ 20.958982][ T1] qnx6: QNX6 filesystem 1.0.0 registered. > [ 20.965985][ T1] fuse: init (API version 7.39) > [ 20.976858][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: > [ 20.985505][ T1] orangefs_init: module version upstream loaded > [ 20.993572][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 > [ 21.034087][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled > [ 21.051635][ T1] 9p: Installing v9fs 9p2000 file system support > [ 21.058997][ T1] NILFS version 2 loaded > [ 21.063484][ T1] befs: version: 0.9.3 > [ 21.068879][ T1] ocfs2: Registered cluster interface o2cb > [ 21.075961][ T1] ocfs2: Registered cluster interface user > [ 21.083257][ T1] OCFS2 User DLM kernel interface loaded > [ 21.102750][ T1] gfs2: GFS2 installed > [ 21.142225][ T1] ceph: loaded (mds proto 32) > [ 25.265679][ T1] NET: Registered PF_ALG protocol family > [ 25.271965][ T1] xor: automatically using best checksumming function avx > [ 25.280055][ T1] async_tx: api initialized (async) > [ 25.285498][ T1] Key type asymmetric registered > [ 25.290927][ T1] Asymmetric key parser 'x509' registered > [ 25.296825][ T1] Asymmetric key parser 'pkcs8' registered > [ 25.302732][ T1] Key type pkcs7_test registered > [ 25.308482][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) > [ 25.318600][ T1] io scheduler mq-deadline registered > [ 25.324054][ T1] io scheduler kyber registered > [ 25.331126][ T1] io scheduler bfq registered > [ 25.347558][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 > [ 25.363347][ T136] kworker/u4:0 (136) used greatest stack depth: 11000 bytes left > [ 25.374100][ T1] ACPI: button: Power Button [PWRF] > [ 25.381760][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 > [ 25.392277][ T1] ACPI: button: Sleep Button [SLPF] > [ 25.414526][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 > [ 25.499231][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 > [ 25.505226][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver > [ 25.579195][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 > [ 25.585070][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver > [ 25.662347][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 > [ 25.668284][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver > [ 25.725221][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver > [ 26.750369][ T1] N_HDLC line discipline registered with maxframe=4096 > [ 26.758188][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled > [ 26.770021][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A > [ 26.799322][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A > [ 26.828884][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A > [ 26.856640][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A > [ 26.903869][ T1] Non-volatile memory driver v1.3 > [ 26.925949][ T1] Linux agpgart interface v0.103 > [ 26.944845][ T1] ACPI: bus type drm_connector registered > [ 26.963460][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 > [ 26.985308][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 > [ 27.457414][ T1] Console: switching to colour frame buffer device 128x48 > [ 27.612960][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device > [ 27.621207][ T1] usbcore: registered new interface driver udl > [ 27.785853][ T1] brd: module loaded > [ 27.962515][ T1] loop: module loaded > [ 28.204419][ T1] zram: Added device: zram0 > [ 28.227930][ T1] null_blk: disk nullb0 created > [ 28.232984][ T1] null_blk: module loaded > [ 28.238841][ T1] Guest personality initialized and is inactive > [ 28.247691][ T1] VMCI host device registered (name=vmci, major=10, minor=118) > [ 28.255558][ T1] Initialized host personality > [ 28.261000][ T1] usbcore: registered new interface driver rtsx_usb > [ 28.269847][ T1] usbcore: registered new interface driver viperboard > [ 28.277538][ T1] usbcore: registered new interface driver dln2 > [ 28.284724][ T1] usbcore: registered new interface driver pn533_usb > [ 28.297696][ T1] nfcsim 0.2 initialized > [ 28.302508][ T1] usbcore: registered new interface driver port100 > [ 28.309540][ T1] usbcore: registered new interface driver nfcmrvl > [ 28.325751][ T1] Loading iSCSI transport class v2.0-870. > [ 28.358008][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues > [ 28.395519][ T1] scsi host0: Virtio SCSI HBA > [ 28.917048][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 > [ 28.933542][ T11] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 > [ 28.978523][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 > [ 28.988652][ T1] db_root: cannot open: /etc/target > [ 29.035870][ T1] ===================================================== > [ 29.036118][ T1] BUG: KMSAN: use-after-free in __list_del_entry_valid_or_report+0x19e/0x490 > [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 > [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 > [ 29.036138][ T1] stack_depot_save+0x12/0x20 > [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 > [ 29.036138][ T1] netdev_hold+0xe2/0x120 > [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 > [ 29.036138][ T1] bond_create+0x138/0x2a0 > [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 > [ 29.036138][ T1] do_one_initcall+0x216/0x960 > [ 29.036138][ T1] do_initcall_level+0x140/0x350 > [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 > [ 29.036138][ T1] do_basic_setup+0x22/0x30 > [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 > [ 29.036138][ T1] kernel_init+0x2f/0x7e0 > [ 29.036138][ T1] ret_from_fork+0x66/0x80 > [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 > [ 29.036138][ T1] > [ 29.036138][ T1] Uninit was created at: > [ 29.036138][ T1] free_unref_page_prepare+0xc1/0xad0 > [ 29.036138][ T1] free_unref_page+0x58/0x6d0 > [ 29.036138][ T1] __free_pages+0xb1/0x1f0 > [ 29.036138][ T1] thread_stack_free_rcu+0x97/0xb0 > [ 29.036138][ T1] rcu_core+0xa3c/0x1df0 > [ 29.036138][ T1] rcu_core_si+0x12/0x20 > [ 29.036138][ T1] __do_softirq+0x1b7/0x7c3 > [ 29.036138][ T1] > [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc2-syzkaller-g6764c317b6bb #0 > [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 > [ 29.036138][ T1] ===================================================== > [ 29.036138][ T1] Disabling lock debugging due to kernel taint > [ 29.036138][ T1] Kernel panic - not syncing: kmsan.panic set ... > [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 6.8.0-rc2-syzkaller-g6764c317b6bb #0 > [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 > [ 29.036138][ T1] Call Trace: > [ 29.036138][ T1] <TASK> > [ 29.036138][ T1] dump_stack_lvl+0x1bf/0x240 > [ 29.036138][ T1] dump_stack+0x1e/0x20 > [ 29.036138][ T1] panic+0x4de/0xc90 > [ 29.036138][ T1] kmsan_report+0x2d0/0x2d0 > [ 29.036138][ T1] ? cleanup_uevent_env+0x30/0x50 > [ 29.036138][ T1] ? netdev_queue_update_kobjects+0x3f5/0x870 > [ 29.036138][ T1] ? netdev_register_kobject+0x41e/0x520 > [ 29.036138][ T1] ? register_netdevice+0x198f/0x2170 > [ 29.036138][ T1] ? __msan_warning+0x96/0x110 > [ 29.036138][ T1] ? __list_del_entry_valid_or_report+0x19e/0x490 > [ 29.036138][ T1] ? stack_depot_save_flags+0x3e7/0x7b0 > [ 29.036138][ T1] ? stack_depot_save+0x12/0x20 > [ 29.036138][ T1] ? ref_tracker_alloc+0x215/0x700 > [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 > [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 > [ 29.036138][ T1] ? bond_create+0x138/0x2a0 > [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 > [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 > [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 > [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 > [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 > [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 > [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 > [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 > [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 > [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] __msan_warning+0x96/0x110 > [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 > [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 > [ 29.036138][ T1] stack_depot_save+0x12/0x20 > [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 > [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 > [ 29.036138][ T1] ? bond_create+0x138/0x2a0 > [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 > [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 > [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 > [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 > [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 > [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 > [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 > [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 > [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 > [ 29.036138][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 > [ 29.036138][ T1] netdev_hold+0xe2/0x120 > [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] bond_create+0x138/0x2a0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 > [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 29.036138][ T1] do_one_initcall+0x216/0x960 > [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 29.036138][ T1] ? kmsan_get_metadata+0x60/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 > [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 > [ 29.036138][ T1] ? skip_spaces+0x8f/0xc0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? parse_args+0x1511/0x15e0 > [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 29.036138][ T1] do_initcall_level+0x140/0x350 > [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 > [ 29.036138][ T1] ? arch_cpuhp_init_parallel_bringup+0xe0/0xe0 > [ 29.036138][ T1] do_basic_setup+0x22/0x30 > [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 > [ 29.036138][ T1] ? rest_init+0x260/0x260 > [ 29.036138][ T1] kernel_init+0x2f/0x7e0 > [ 29.036138][ T1] ? rest_init+0x260/0x260 > [ 29.036138][ T1] ret_from_fork+0x66/0x80 > [ 29.036138][ T1] ? rest_init+0x260/0x260 > [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 > [ 29.036138][ T1] </TASK> > [ 29.036138][ T1] Kernel Offset: disabled > > > syzkaller build log: > go env (err=<nil>) > GO111MODULE='auto' > GOARCH='amd64' > GOBIN='' > GOCACHE='/syzkaller/.cache/go-build' > GOENV='/syzkaller/.config/go/env' > GOEXE='' > GOEXPERIMENT='' > GOFLAGS='' > GOHOSTARCH='amd64' > GOHOSTOS='linux' > GOINSECURE='' > GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' > GONOPROXY='' > GONOSUMDB='' > GOOS='linux' > GOPATH='/syzkaller/jobs-2/linux/gopath' > GOPRIVATE='' > GOPROXY='https://proxy.golang.org,direct' > GOROOT='/usr/local/go' > GOSUMDB='sum.golang.org' > GOTMPDIR='' > GOTOOLCHAIN='auto' > GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' > GOVCS='' > GOVERSION='go1.21.4' > GCCGO='gccgo' > GOAMD64='v1' > AR='ar' > CC='gcc' > CXX='g++' > CGO_ENABLED='1' > GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' > GOWORK='' > CGO_CFLAGS='-O2 -g' > CGO_CPPFLAGS='' > CGO_CXXFLAGS='-O2 -g' > CGO_FFLAGS='-O2 -g' > CGO_LDFLAGS='-O2 -g' > PKG_CONFIG='pkg-config' > GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2170902610=/tmp/go-build -gno-record-gcc-switches' > > git status (err=<nil>) > HEAD detached at 373b66cd2 > nothing to commit, working tree clean > > > tput: No value for $TERM and no -T specified > tput: No value for $TERM and no -T specified > Makefile:32: run command via tools/syz-env for best compatibility, see: > Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env > go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen > make .descriptions > tput: No value for $TERM and no -T specified > tput: No value for $TERM and no -T specified > bin/syz-sysgen > touch .descriptions > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress > mkdir -p ./bin/linux_amd64 > gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ > -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ > -DHOSTGOOS_linux=1 -DGIT_REVISION=\"373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3\" > > > Error text is too large and was truncated, full error text is at: > https://syzkaller.appspot.com/x/error.txt?x=12b5bad3e80000 > > > Tested on: > > commit: 6764c317 Merge tag 'scsi-fixes' of git://git.kernel.or.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=f8b2756f2e75608e > dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > > Note: no patches were applied. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) 2024-02-20 6:50 ` Gao Xiang @ 2024-02-20 7:22 ` syzbot 2024-02-20 7:47 ` Gao Xiang 0 siblings, 1 reply; 6+ messages in thread From: syzbot @ 2024-02-20 7:22 UTC (permalink / raw) To: chao, hsiangkao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang Hello, syzbot tried to test the proposed patch but the build/boot failed: le Layout Driver Registering... [ 21.855653][ T1] Key type cifs.spnego registered [ 21.862292][ T1] Key type cifs.idmap registered [ 21.872039][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 21.878069][ T1] ntfs3: Max link count 4000 [ 21.882711][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 21.888528][ T1] ntfs3: Read-only LZX/Xpress compression included [ 21.895581][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 21.902312][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 21.908626][ T1] QNX4 filesystem 0.2.3 registered. [ 21.914220][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 21.921782][ T1] fuse: init (API version 7.39) [ 21.933923][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 21.943462][ T1] orangefs_init: module version upstream loaded [ 21.951611][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 21.993328][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 22.010587][ T1] 9p: Installing v9fs 9p2000 file system support [ 22.019170][ T1] NILFS version 2 loaded [ 22.023764][ T1] befs: version: 0.9.3 [ 22.029409][ T1] ocfs2: Registered cluster interface o2cb [ 22.037323][ T1] ocfs2: Registered cluster interface user [ 22.046089][ T1] OCFS2 User DLM kernel interface loaded [ 22.066046][ T1] gfs2: GFS2 installed [ 22.107156][ T1] ceph: loaded (mds proto 32) [ 26.347423][ T1] NET: Registered PF_ALG protocol family [ 26.353728][ T1] xor: automatically using best checksumming function avx [ 26.361905][ T1] async_tx: api initialized (async) [ 26.367588][ T1] Key type asymmetric registered [ 26.372680][ T1] Asymmetric key parser 'x509' registered [ 26.378760][ T1] Asymmetric key parser 'pkcs8' registered [ 26.385472][ T1] Key type pkcs7_test registered [ 26.391779][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 26.402387][ T1] io scheduler mq-deadline registered [ 26.408181][ T1] io scheduler kyber registered [ 26.413686][ T1] io scheduler bfq registered [ 26.431031][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 26.451191][ T1] ACPI: button: Power Button [PWRF] [ 26.459719][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 26.470238][ T1] ACPI: button: Sleep Button [SLPF] [ 26.470487][ T145] kworker/u4:6 (145) used greatest stack depth: 11288 bytes left [ 26.501185][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 26.590018][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 26.596923][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 26.684933][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 26.691887][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 26.769222][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 26.775072][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 26.834501][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 26.964774][ T227] kworker/u4:4 (227) used greatest stack depth: 11000 bytes left [ 27.025559][ T254] kworker/u4:4 (254) used greatest stack depth: 10880 bytes left [ 27.967136][ T1] N_HDLC line discipline registered with maxframe=4096 [ 27.975904][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 27.992699][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 28.026200][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 28.059406][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 28.089449][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 28.140541][ T1] Non-volatile memory driver v1.3 [ 28.170442][ T1] Linux agpgart interface v0.103 [ 28.189648][ T1] ACPI: bus type drm_connector registered [ 28.207115][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 28.229973][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 28.724393][ T1] Console: switching to colour frame buffer device 128x48 [ 28.875767][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 28.884404][ T1] usbcore: registered new interface driver udl [ 29.061297][ T1] brd: module loaded [ 29.244400][ T1] loop: module loaded [ 29.512400][ T1] zram: Added device: zram0 [ 29.540501][ T1] null_blk: disk nullb0 created [ 29.545733][ T1] null_blk: module loaded [ 29.551941][ T1] Guest personality initialized and is inactive [ 29.560955][ T1] VMCI host device registered (name=vmci, major=10, minor=118) [ 29.569840][ T1] Initialized host personality [ 29.575750][ T1] usbcore: registered new interface driver rtsx_usb [ 29.585633][ T1] usbcore: registered new interface driver viperboard [ 29.594432][ T1] usbcore: registered new interface driver dln2 [ 29.602202][ T1] usbcore: registered new interface driver pn533_usb [ 29.616932][ T1] nfcsim 0.2 initialized [ 29.622086][ T1] usbcore: registered new interface driver port100 [ 29.629914][ T1] usbcore: registered new interface driver nfcmrvl [ 29.648231][ T1] Loading iSCSI transport class v2.0-870. [ 29.684669][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 29.731303][ T1] scsi host0: Virtio SCSI HBA [ 30.283396][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 30.301725][ T72] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 30.344813][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 30.362347][ T1] db_root: cannot open: /etc/target [ 30.395006][ T1] ===================================================== [ 30.395260][ T1] BUG: KMSAN: use-after-free in __list_del_entry_valid_or_report+0x19e/0x490 [ 30.395432][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 30.395596][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 30.395700][ T1] stack_depot_save+0x12/0x20 [ 30.395793][ T1] ref_tracker_alloc+0x215/0x700 [ 30.395890][ T1] netdev_queue_update_kobjects+0x256/0x870 [ 30.396031][ T1] netdev_register_kobject+0x41e/0x520 [ 30.396149][ T1] register_netdevice+0x198f/0x2170 [ 30.396264][ T1] bond_create+0x138/0x2a0 [ 30.396406][ T1] bonding_init+0x1a7/0x2d0 [ 30.396505][ T1] do_one_initcall+0x216/0x960 [ 30.396640][ T1] do_initcall_level+0x140/0x350 [ 30.396748][ T1] do_initcalls+0xf0/0x1d0 [ 30.396848][ T1] do_basic_setup+0x22/0x30 [ 30.396959][ T1] kernel_init_freeable+0x300/0x4b0 [ 30.397071][ T1] kernel_init+0x2f/0x7e0 [ 30.397189][ T1] ret_from_fork+0x66/0x80 [ 30.397216][ T1] ret_from_fork_asm+0x11/0x20 [ 30.397216][ T1] [ 30.397216][ T1] Uninit was created at: [ 30.397216][ T1] free_unref_page_prepare+0xc1/0xad0 [ 30.397216][ T1] free_unref_page+0x58/0x6d0 [ 30.397216][ T1] __free_pages+0xb1/0x1f0 [ 30.397216][ T1] thread_stack_free_rcu+0x97/0xb0 [ 30.397216][ T1] rcu_core+0xa3c/0x1df0 [ 30.397216][ T1] rcu_core_si+0x12/0x20 [ 30.397216][ T1] __do_softirq+0x1b7/0x7c3 [ 30.397216][ T1] [ 30.397216][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc5-syzkaller-gb401b621758e #0 [ 30.397216][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 30.397216][ T1] ===================================================== [ 30.397216][ T1] Disabling lock debugging due to kernel taint [ 30.397216][ T1] Kernel panic - not syncing: kmsan.panic set ... [ 30.397216][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 6.8.0-rc5-syzkaller-gb401b621758e #0 [ 30.397216][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 30.397216][ T1] Call Trace: [ 30.397216][ T1] <TASK> [ 30.397216][ T1] dump_stack_lvl+0x1bf/0x240 [ 30.397216][ T1] dump_stack+0x1e/0x20 [ 30.397216][ T1] panic+0x4de/0xc90 [ 30.397216][ T1] kmsan_report+0x2d0/0x2d0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? __msan_warning+0x96/0x110 [ 30.397216][ T1] ? __list_del_entry_valid_or_report+0x19e/0x490 [ 30.397216][ T1] ? stack_depot_save_flags+0x3e7/0x7b0 [ 30.397216][ T1] ? stack_depot_save+0x12/0x20 [ 30.397216][ T1] ? ref_tracker_alloc+0x215/0x700 [ 30.397216][ T1] ? netdev_queue_update_kobjects+0x256/0x870 [ 30.397216][ T1] ? netdev_register_kobject+0x41e/0x520 [ 30.397216][ T1] ? register_netdevice+0x198f/0x2170 [ 30.397216][ T1] ? bond_create+0x138/0x2a0 [ 30.397216][ T1] ? bonding_init+0x1a7/0x2d0 [ 30.397216][ T1] ? do_one_initcall+0x216/0x960 [ 30.397216][ T1] ? do_initcall_level+0x140/0x350 [ 30.397216][ T1] ? do_initcalls+0xf0/0x1d0 [ 30.397216][ T1] ? do_basic_setup+0x22/0x30 [ 30.397216][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 30.397216][ T1] ? kernel_init+0x2f/0x7e0 [ 30.397216][ T1] ? ret_from_fork+0x66/0x80 [ 30.397216][ T1] ? ret_from_fork_asm+0x11/0x20 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] ? _raw_spin_lock_irqsave+0x35/0xc0 [ 30.397216][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 30.397216][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] __msan_warning+0x96/0x110 [ 30.397216][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 30.397216][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 30.397216][ T1] stack_depot_save+0x12/0x20 [ 30.397216][ T1] ref_tracker_alloc+0x215/0x700 [ 30.397216][ T1] ? netdev_queue_update_kobjects+0x256/0x870 [ 30.397216][ T1] ? netdev_register_kobject+0x41e/0x520 [ 30.397216][ T1] ? register_netdevice+0x198f/0x2170 [ 30.397216][ T1] ? bond_create+0x138/0x2a0 [ 30.397216][ T1] ? bonding_init+0x1a7/0x2d0 [ 30.397216][ T1] ? do_one_initcall+0x216/0x960 [ 30.397216][ T1] ? do_initcall_level+0x140/0x350 [ 30.397216][ T1] ? do_initcalls+0xf0/0x1d0 [ 30.397216][ T1] ? do_basic_setup+0x22/0x30 [ 30.397216][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 30.397216][ T1] ? kernel_init+0x2f/0x7e0 [ 30.397216][ T1] ? ret_from_fork+0x66/0x80 [ 30.397216][ T1] ? ret_from_fork_asm+0x11/0x20 [ 30.397216][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 30.397216][ T1] netdev_queue_update_kobjects+0x256/0x870 [ 30.397216][ T1] netdev_register_kobject+0x41e/0x520 [ 30.397216][ T1] register_netdevice+0x198f/0x2170 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] bond_create+0x138/0x2a0 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] bonding_init+0x1a7/0x2d0 [ 30.397216][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 30.397216][ T1] do_one_initcall+0x216/0x960 [ 30.397216][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 30.397216][ T1] ? kmsan_get_metadata+0xb0/0x1c0 [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.397216][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 30.397216][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 30.407722][ T1] ? skip_spaces+0x8f/0xc0 [ 30.407722][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.407922][ T1] ? parse_args+0x1511/0x15e0 [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 30.407922][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 30.408958][ T1] do_initcall_level+0x140/0x350 [ 30.408958][ T1] do_initcalls+0xf0/0x1d0 [ 30.408958][ T1] ? arch_cpuhp_init_parallel_bringup+0xe0/0xe0 [ 30.408958][ T1] do_basic_setup+0x22/0x30 [ 30.408958][ T1] kernel_init_freeable+0x300/0x4b0 [ 30.408958][ T1] ? rest_init+0x260/0x260 [ 30.408958][ T1] kernel_init+0x2f/0x7e0 [ 30.408958][ T1] ? rest_init+0x260/0x260 [ 30.408958][ T1] ret_from_fork+0x66/0x80 [ 30.409978][ T1] ? rest_init+0x260/0x260 [ 30.409978][ T1] ret_from_fork_asm+0x11/0x20 [ 30.409978][ T1] </TASK> [ 30.409978][ T1] Kernel Offset: disabled syzkaller build log: go env (err=<nil>) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.21.4' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1804868575=/tmp/go-build -gno-record-gcc-switches' git status (err=<nil>) HEAD detached at 373b66cd2 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=12579b34180000 Tested on: commit: b401b621 Linux 6.8-rc5 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d33318d4e4a0d226 dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) 2024-02-20 7:22 ` syzbot @ 2024-02-20 7:47 ` Gao Xiang 0 siblings, 0 replies; 6+ messages in thread From: Gao Xiang @ 2024-02-20 7:47 UTC (permalink / raw) To: syzbot, chao, huyue2, jefflexu, linux-erofs, linux-fsdevel, linux-kernel, syzkaller-bugs, xiang, netdev (+add -netdev) On 2024/2/20 15:22, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but the build/boot failed: > > le Layout Driver Registering... ... > [ 29.540501][ T1] null_blk: disk nullb0 created > [ 29.545733][ T1] null_blk: module loaded > [ 29.551941][ T1] Guest personality initialized and is inactive > [ 29.560955][ T1] VMCI host device registered (name=vmci, major=10, minor=118) > [ 29.569840][ T1] Initialized host personality > [ 29.575750][ T1] usbcore: registered new interface driver rtsx_usb > [ 29.585633][ T1] usbcore: registered new interface driver viperboard > [ 29.594432][ T1] usbcore: registered new interface driver dln2 > [ 29.602202][ T1] usbcore: registered new interface driver pn533_usb > [ 29.616932][ T1] nfcsim 0.2 initialized > [ 29.622086][ T1] usbcore: registered new interface driver port100 > [ 29.629914][ T1] usbcore: registered new interface driver nfcmrvl > [ 29.648231][ T1] Loading iSCSI transport class v2.0-870. > [ 29.684669][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues > [ 29.731303][ T1] scsi host0: Virtio SCSI HBA > [ 30.283396][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 > [ 30.301725][ T72] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 > [ 30.344813][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 > [ 30.362347][ T1] db_root: cannot open: /etc/target > [ 30.395006][ T1] ===================================================== > [ 30.395260][ T1] BUG: KMSAN: use-after-free in __list_del_entry_valid_or_report+0x19e/0x490 > [ 30.395432][ T1] __list_del_entry_valid_or_report+0x19e/0x490 > [ 30.395596][ T1] stack_depot_save_flags+0x3e7/0x7b0 > [ 30.395700][ T1] stack_depot_save+0x12/0x20 > [ 30.395793][ T1] ref_tracker_alloc+0x215/0x700 > [ 30.395890][ T1] netdev_queue_update_kobjects+0x256/0x870 > [ 30.396031][ T1] netdev_register_kobject+0x41e/0x520 It seems it got some similar boot-failure issue: https://lore.kernel.org/r/00000000000036e27e0610890a65@google.com https://lore.kernel.org/r/000000000000bacd1706107232cd@google.com before I tend to verify a resolved duplicated report: https://syzkaller.appspot.com/bug?extid=6c746eea496f34b3161d Thanks, Gao Xiang > [ 30.396149][ T1] register_netdevice+0x198f/0x2170 > [ 30.396264][ T1] bond_create+0x138/0x2a0 > [ 30.396406][ T1] bonding_init+0x1a7/0x2d0 > [ 30.396505][ T1] do_one_initcall+0x216/0x960 > [ 30.396640][ T1] do_initcall_level+0x140/0x350 > [ 30.396748][ T1] do_initcalls+0xf0/0x1d0 > [ 30.396848][ T1] do_basic_setup+0x22/0x30 > [ 30.396959][ T1] kernel_init_freeable+0x300/0x4b0 > [ 30.397071][ T1] kernel_init+0x2f/0x7e0 > [ 30.397189][ T1] ret_from_fork+0x66/0x80 > [ 30.397216][ T1] ret_from_fork_asm+0x11/0x20 > [ 30.397216][ T1] > [ 30.397216][ T1] Uninit was created at: > [ 30.397216][ T1] free_unref_page_prepare+0xc1/0xad0 > [ 30.397216][ T1] free_unref_page+0x58/0x6d0 > [ 30.397216][ T1] __free_pages+0xb1/0x1f0 > [ 30.397216][ T1] thread_stack_free_rcu+0x97/0xb0 > [ 30.397216][ T1] rcu_core+0xa3c/0x1df0 > [ 30.397216][ T1] rcu_core_si+0x12/0x20 > [ 30.397216][ T1] __do_softirq+0x1b7/0x7c3 > [ 30.397216][ T1] > [ 30.397216][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc5-syzkaller-gb401b621758e #0 > [ 30.397216][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 > [ 30.397216][ T1] ===================================================== > [ 30.397216][ T1] Disabling lock debugging due to kernel taint > [ 30.397216][ T1] Kernel panic - not syncing: kmsan.panic set ... > [ 30.397216][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 6.8.0-rc5-syzkaller-gb401b621758e #0 > [ 30.397216][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 > [ 30.397216][ T1] Call Trace: > [ 30.397216][ T1] <TASK> > [ 30.397216][ T1] dump_stack_lvl+0x1bf/0x240 > [ 30.397216][ T1] dump_stack+0x1e/0x20 > [ 30.397216][ T1] panic+0x4de/0xc90 > [ 30.397216][ T1] kmsan_report+0x2d0/0x2d0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? __msan_warning+0x96/0x110 > [ 30.397216][ T1] ? __list_del_entry_valid_or_report+0x19e/0x490 > [ 30.397216][ T1] ? stack_depot_save_flags+0x3e7/0x7b0 > [ 30.397216][ T1] ? stack_depot_save+0x12/0x20 > [ 30.397216][ T1] ? ref_tracker_alloc+0x215/0x700 > [ 30.397216][ T1] ? netdev_queue_update_kobjects+0x256/0x870 > [ 30.397216][ T1] ? netdev_register_kobject+0x41e/0x520 > [ 30.397216][ T1] ? register_netdevice+0x198f/0x2170 > [ 30.397216][ T1] ? bond_create+0x138/0x2a0 > [ 30.397216][ T1] ? bonding_init+0x1a7/0x2d0 > [ 30.397216][ T1] ? do_one_initcall+0x216/0x960 > [ 30.397216][ T1] ? do_initcall_level+0x140/0x350 > [ 30.397216][ T1] ? do_initcalls+0xf0/0x1d0 > [ 30.397216][ T1] ? do_basic_setup+0x22/0x30 > [ 30.397216][ T1] ? kernel_init_freeable+0x300/0x4b0 > [ 30.397216][ T1] ? kernel_init+0x2f/0x7e0 > [ 30.397216][ T1] ? ret_from_fork+0x66/0x80 > [ 30.397216][ T1] ? ret_from_fork_asm+0x11/0x20 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] ? _raw_spin_lock_irqsave+0x35/0xc0 > [ 30.397216][ T1] ? filter_irq_stacks+0x60/0x1a0 > [ 30.397216][ T1] ? stack_depot_save_flags+0x2c/0x7b0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] __msan_warning+0x96/0x110 > [ 30.397216][ T1] __list_del_entry_valid_or_report+0x19e/0x490 > [ 30.397216][ T1] stack_depot_save_flags+0x3e7/0x7b0 > [ 30.397216][ T1] stack_depot_save+0x12/0x20 > [ 30.397216][ T1] ref_tracker_alloc+0x215/0x700 > [ 30.397216][ T1] ? netdev_queue_update_kobjects+0x256/0x870 > [ 30.397216][ T1] ? netdev_register_kobject+0x41e/0x520 > [ 30.397216][ T1] ? register_netdevice+0x198f/0x2170 > [ 30.397216][ T1] ? bond_create+0x138/0x2a0 > [ 30.397216][ T1] ? bonding_init+0x1a7/0x2d0 > [ 30.397216][ T1] ? do_one_initcall+0x216/0x960 > [ 30.397216][ T1] ? do_initcall_level+0x140/0x350 > [ 30.397216][ T1] ? do_initcalls+0xf0/0x1d0 > [ 30.397216][ T1] ? do_basic_setup+0x22/0x30 > [ 30.397216][ T1] ? kernel_init_freeable+0x300/0x4b0 > [ 30.397216][ T1] ? kernel_init+0x2f/0x7e0 > [ 30.397216][ T1] ? ret_from_fork+0x66/0x80 > [ 30.397216][ T1] ? ret_from_fork_asm+0x11/0x20 > [ 30.397216][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 > [ 30.397216][ T1] netdev_queue_update_kobjects+0x256/0x870 > [ 30.397216][ T1] netdev_register_kobject+0x41e/0x520 > [ 30.397216][ T1] register_netdevice+0x198f/0x2170 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] bond_create+0x138/0x2a0 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] bonding_init+0x1a7/0x2d0 > [ 30.397216][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 30.397216][ T1] do_one_initcall+0x216/0x960 > [ 30.397216][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 30.397216][ T1] ? kmsan_get_metadata+0xb0/0x1c0 > [ 30.397216][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.397216][ T1] ? filter_irq_stacks+0x60/0x1a0 > [ 30.397216][ T1] ? stack_depot_save_flags+0x2c/0x7b0 > [ 30.407722][ T1] ? skip_spaces+0x8f/0xc0 > [ 30.407722][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.407922][ T1] ? parse_args+0x1511/0x15e0 > [ 30.407922][ T1] ? kmsan_get_metadata+0x146/0x1c0 > [ 30.407922][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 > [ 30.407922][ T1] ? spi_dln2_driver_init+0x40/0x40 > [ 30.408958][ T1] do_initcall_level+0x140/0x350 > [ 30.408958][ T1] do_initcalls+0xf0/0x1d0 > [ 30.408958][ T1] ? arch_cpuhp_init_parallel_bringup+0xe0/0xe0 > [ 30.408958][ T1] do_basic_setup+0x22/0x30 > [ 30.408958][ T1] kernel_init_freeable+0x300/0x4b0 > [ 30.408958][ T1] ? rest_init+0x260/0x260 > [ 30.408958][ T1] kernel_init+0x2f/0x7e0 > [ 30.408958][ T1] ? rest_init+0x260/0x260 > [ 30.408958][ T1] ret_from_fork+0x66/0x80 > [ 30.409978][ T1] ? rest_init+0x260/0x260 > [ 30.409978][ T1] ret_from_fork_asm+0x11/0x20 > [ 30.409978][ T1] </TASK> > [ 30.409978][ T1] Kernel Offset: disabled > > > syzkaller build log: > go env (err=<nil>) > GO111MODULE='auto' > GOARCH='amd64' > GOBIN='' > GOCACHE='/syzkaller/.cache/go-build' > GOENV='/syzkaller/.config/go/env' > GOEXE='' > GOEXPERIMENT='' > GOFLAGS='' > GOHOSTARCH='amd64' > GOHOSTOS='linux' > GOINSECURE='' > GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' > GONOPROXY='' > GONOSUMDB='' > GOOS='linux' > GOPATH='/syzkaller/jobs-2/linux/gopath' > GOPRIVATE='' > GOPROXY='https://proxy.golang.org,direct' > GOROOT='/usr/local/go' > GOSUMDB='sum.golang.org' > GOTMPDIR='' > GOTOOLCHAIN='auto' > GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' > GOVCS='' > GOVERSION='go1.21.4' > GCCGO='gccgo' > GOAMD64='v1' > AR='ar' > CC='gcc' > CXX='g++' > CGO_ENABLED='1' > GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' > GOWORK='' > CGO_CFLAGS='-O2 -g' > CGO_CPPFLAGS='' > CGO_CXXFLAGS='-O2 -g' > CGO_FFLAGS='-O2 -g' > CGO_LDFLAGS='-O2 -g' > PKG_CONFIG='pkg-config' > GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1804868575=/tmp/go-build -gno-record-gcc-switches' > > git status (err=<nil>) > HEAD detached at 373b66cd2 > nothing to commit, working tree clean > > > tput: No value for $TERM and no -T specified > tput: No value for $TERM and no -T specified > Makefile:32: run command via tools/syz-env for best compatibility, see: > Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env > go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen > make .descriptions > tput: No value for $TERM and no -T specified > tput: No value for $TERM and no -T specified > bin/syz-sysgen > touch .descriptions > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog > GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress > mkdir -p ./bin/linux_amd64 > gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ > -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ > -DHOSTGOOS_linux=1 -DGIT_REVISION=\"373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3\" > > > Error text is too large and was truncated, full error text is at: > https://syzkaller.appspot.com/x/error.txt?x=12579b34180000 > > > Tested on: > > commit: b401b621 Linux 6.8-rc5 > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=d33318d4e4a0d226 > dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > > Note: no patches were applied. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2024-02-20 7:47 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2024-02-01 11:04 [syzbot] [erofs?] KMSAN: uninit-value in z_erofs_lz4_decompress (3) syzbot 2024-02-01 16:17 ` Gao Xiang 2024-02-01 16:57 ` syzbot 2024-02-20 6:50 ` Gao Xiang 2024-02-20 7:22 ` syzbot 2024-02-20 7:47 ` Gao Xiang
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