EXT4-fs error (device loop4): ext4_ext_check_inode:543: inode #11: comm syz-executor: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 1, max 4(4), depth 0(0)
EXT4-fs error (device loop4): ext4_ext_check_inode:543: inode #11: comm syz-executor: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 1, max 4(4), depth 0(0)
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kernel BUG at fs/namei.c:2894!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 342 Comm: syz-executor Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2894
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 90 bf f6 ff e9 d0 fd ff ff e8 76 c5 c8 ff 0f 0b e8 6f c5 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 56 53
RSP: 0018:ffff8881d650fa70 EFLAGS: 00010293
RAX: ffffffff8196b971 RBX: ffff8881e9e68770 RCX: ffff8881f36d5e80
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffff8881d650faf0 R08: 0000000000000004 R09: 0000000000000003
R10: ffffed103aca1f34 R11: 1ffff1103aca1f34 R12: ffff8881dcfa9ac8
R13: 1ffff1103d3cd0ee R14: ffff8881e9e68788 R15: ffff8881e9e6d030
FS:  000055557ced7500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000e86020 CR3: 00000001d8f78000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:4008
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1944
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0x14f/0x1d0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1102
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1109
 task_work_run+0x146/0x170 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa43/0x2660 kernel/exit.c:861
 do_group_exit+0x13e/0x300 kernel/exit.c:984
 __do_sys_exit_group kernel/exit.c:995 [inline]
 __se_sys_exit_group kernel/exit.c:993 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:993
 do_syscall_64+0xcf/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f501a4e0969
Code: Bad RIP value.
RSP: 002b:00007ffed1e4b598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f501a5628c2 RCX: 00007f501a4e0969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000075 R08: 00007ffed1e49335 R09: 00007ffed1e4c850
R10: 000000000000000b R11: 0000000000000246 R12: 00007ffed1e4c850
R13: 00007f501a56289d R14: 000000000000a930 R15: 00007ffed1e4d920
Modules linked in:
---[ end trace 3b2372bcba510964 ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2894
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 90 bf f6 ff e9 d0 fd ff ff e8 76 c5 c8 ff 0f 0b e8 6f c5 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 56 53
RSP: 0018:ffff8881d650fa70 EFLAGS: 00010293
RAX: ffffffff8196b971 RBX: ffff8881e9e68770 RCX: ffff8881f36d5e80
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffff8881d650faf0 R08: 0000000000000004 R09: 0000000000000003
R10: ffffed103aca1f34 R11: 1ffff1103aca1f34 R12: ffff8881dcfa9ac8
R13: 1ffff1103d3cd0ee R14: ffff8881e9e68788 R15: ffff8881e9e6d030
FS:  000055557ced7500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5a6dddd58 CR3: 00000001d7766000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400