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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=11e238f3180000 kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a dashboard link: https://syzkaller.appspot.com/bug?extid=5b27962d84feb4acb5c1 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=12cb7b55180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1717b623180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/72ab73815344/disk-fe46a7dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2d6d6b0d7071/vmlinux-fe46a7dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/48e275e5478b/bzImage-fe46a7dd.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/8b1302c5b3ec/mount_0.gz The issue was bisected to: commit 9c8ad7a2ff0bfe58f019ec0abc1fb965114dde7d Author: David Howells Date: Thu May 16 11:52:27 2019 +0000 uapi, x86: Fix the syscall numbering of the mount API syscalls [ver #2] bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1498c213180000 final oops: https://syzkaller.appspot.com/x/report.txt?x=1698c213180000 console output: https://syzkaller.appspot.com/x/log.txt?x=1298c213180000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5b27962d84feb4acb5c1@syzkaller.appspotmail.com Fixes: 9c8ad7a2ff0b ("uapi, x86: Fix the syscall numbering of the mount API syscalls [ver #2]") ERROR: (device loop0): txCommit: ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ERROR: (device loop0): txBegin: read-only filesystem jfs_dirty_inode called on read-only volume Is remount racy? jfs_dirty_inode called on read-only volume Is remount racy? jfs_dirty_inode called on read-only volume Is remount racy? INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 5064 Comm: syz-executor231 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 assign_lock_key+0x238/0x270 kernel/locking/lockdep.c:976 register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1289 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 txEnd+0x8c/0x560 fs/jfs/jfs_txnmgr.c:504 jfs_create+0x371/0xb90 fs/jfs/namei.c:159 lookup_open fs/namei.c:3497 [inline] open_last_lookups fs/namei.c:3566 [inline] path_openat+0x1425/0x3240 fs/namei.c:3796 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f55e8f6b739 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcc21e5d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f55e8f6b739 RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c RBP: 00007f55e8fe4610 R08: 00007ffcc21e5f68 R09: 00007ffcc21e5f68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcc21e5f58 R14: 0000000000000001 R15: 0000000000000001 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 5064 Comm: syz-executor231 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106 Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 83 23 86 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000398f610 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000398f4e0 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52000731e9c R10: dffffc0000000000 R11: fffff52000731e9c R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002651070 FS: 0000555565493380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557a16608c70 CR3: 00000000683b8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txEnd+0x8c/0x560 fs/jfs/jfs_txnmgr.c:504 jfs_create+0x371/0xb90 fs/jfs/namei.c:159 lookup_open fs/namei.c:3497 [inline] open_last_lookups fs/namei.c:3566 [inline] path_openat+0x1425/0x3240 fs/namei.c:3796 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f55e8f6b739 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcc21e5d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f55e8f6b739 RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c RBP: 00007f55e8fe4610 R08: 00007ffcc21e5f68 R09: 00007ffcc21e5f68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcc21e5f58 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 kernel/sched/wait.c:106 Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 83 23 86 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000398f610 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000398f4e0 RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52000731e9c R10: dffffc0000000000 R11: fffff52000731e9c R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002651070 FS: 0000555565493380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557a16608c70 CR3: 00000000683b8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fb sti 1: 0f 84 d1 00 00 00 je 0xd8 7: 8b 6c 24 04 mov 0x4(%rsp),%ebp b: eb 13 jmp 0x20 d: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 14: fc ff df 17: 4c 39 fb cmp %r15,%rbx 1a: 0f 84 b8 00 00 00 je 0xd8 20: 49 89 de mov %rbx,%r14 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 f7 mov %r14,%rdi 33: e8 83 23 86 00 call 0x8623bb 38: 48 rex.W 39: ba 00 00 00 00 mov $0x0,%edx 3e: 00 fc add %bh,%ah --- 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection 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