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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 734610514cb0 Merge tag 'erofs-for-6.10-rc7-fixes' of git:/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14d97066980000 kernel config: https://syzkaller.appspot.com/x/.config?x=de2d4dc103148cd6 dashboard link: https://syzkaller.appspot.com/bug?extid=35a4414f6e247f515443 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c21fa9980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16008dc6980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-73461051.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d390d5c7156f/vmlinux-73461051.xz kernel image: https://storage.googleapis.com/syzbot-assets/b56ef48ffa7e/bzImage-73461051.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+35a4414f6e247f515443@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 3 PID: 5192 at include/linux/rwsem.h:195 rwsem_assert_held include/linux/rwsem.h:195 [inline] WARNING: CPU: 3 PID: 5192 at include/linux/rwsem.h:195 mmap_assert_locked include/linux/mmap_lock.h:65 [inline] WARNING: CPU: 3 PID: 5192 at include/linux/rwsem.h:195 follow_pte+0x414/0x4c0 mm/memory.c:5980 Modules linked in: CPU: 3 PID: 5192 Comm: syz-executor340 Not tainted 6.10.0-rc6-syzkaller-00055-g734610514cb0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:rwsem_assert_held include/linux/rwsem.h:195 [inline] RIP: 0010:mmap_assert_locked include/linux/mmap_lock.h:65 [inline] RIP: 0010:follow_pte+0x414/0x4c0 mm/memory.c:5980 Code: bf 98 01 00 00 be ff ff ff ff e8 e7 76 15 09 31 ff 41 89 c4 89 c6 e8 1b 0c bc ff 45 85 e4 0f 85 80 fc ff ff e8 0d 11 bc ff 90 <0f> 0b 90 e9 72 fc ff ff e8 ff 10 bc ff 90 0f 0b 48 c7 c7 d8 73 e4 RSP: 0018:ffffc900032af4d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00007f9c68e60000 RCX: ffffffff81d1d2f5 RDX: ffff88802306a440 RSI: ffffffff81d1d303 RDI: 0000000000000005 RBP: ffff8880209db5d0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000010a R12: 0000000000000000 R13: ffffc900032af530 R14: ffffc900032af550 R15: ffff88802abf1c80 FS: 00005555908da380(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000c80 CR3: 000000002cfae000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: follow_phys arch/x86/mm/pat/memtype.c:957 [inline] get_pat_info+0xf2/0x510 arch/x86/mm/pat/memtype.c:991 untrack_pfn+0xf7/0x4d0 arch/x86/mm/pat/memtype.c:1104 unmap_single_vma+0x1bd/0x2b0 mm/memory.c:1819 zap_page_range_single+0x326/0x560 mm/memory.c:1920 unmap_mapping_range_vma mm/memory.c:3684 [inline] unmap_mapping_range_tree mm/memory.c:3701 [inline] unmap_mapping_pages mm/memory.c:3767 [inline] unmap_mapping_range+0x1ee/0x280 mm/memory.c:3804 truncate_pagecache+0x53/0x90 mm/truncate.c:731 simple_setattr+0xf2/0x120 fs/libfs.c:886 notify_change+0xec6/0x11f0 fs/attr.c:499 do_truncate+0x15c/0x220 fs/open.c:65 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3658 [inline] path_openat+0x2860/0x2e50 fs/namei.c:3813 do_filp_open+0x1dc/0x430 fs/namei.c:3840 do_sys_openat2+0x17a/0x1e0 fs/open.c:1413 do_sys_open fs/open.c:1428 [inline] __do_sys_openat fs/open.c:1444 [inline] __se_sys_openat fs/open.c:1439 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1439 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f31b1f21859 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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:00007ffd4ff07208 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f31b1f6a0de RCX: 00007f31b1f21859 RDX: 0000000000000300 RSI: 0000000020000c80 RDI: ffffffffffffff9c RBP: 00007f31b1f6a0bc R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31b1f6f07c R13: 00007f31b1f6a07c R14: 0000000000000001 R15: 0000000000000001 --- 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