EXT4-fs error (device loop0): ext4_lookup:1827: inode #15: comm syz-executor.0: iget: bad extra_isize 46 (inode size 256)
EXT4-fs error (device loop0): ext4_lookup:1827: inode #15: comm syz-executor.0: iget: bad extra_isize 46 (inode size 256)
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kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G        W         5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 5c 34 f4 ff e9 ce fd ff ff e8 62 b4 b6 ff 0f 0b e8 5b b4 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000cc7ad8 EFLAGS: 00010293
RAX: ffffffff81b3f5a5 RBX: ffff88810c6759c0 RCX: ffff888124cc93c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000cc7b58 R08: ffffffff81b3eec3 R09: 0000000000000003
R10: fffff52000198f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811c885cc0 R14: ffff888127d98d68 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007facf8f2ffe0 CR3: 000000012243f000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3f0 fs/namei.c:3833
 incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1945
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:861
 do_group_exit+0x141/0x310 kernel/exit.c:983
 __do_sys_exit_group kernel/exit.c:994 [inline]
 __se_sys_exit_group kernel/exit.c:992 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:992
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7facf8e2fca9
Code: Unable to access opcode bytes at RIP 0x7facf8e2fc7f.
RSP: 002b:00007ffe2b636898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007facf8e7a3de RCX: 00007facf8e2fca9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000075 R08: 00007ffe2b634635 R09: 00007ffe2b637b50
R10: 000000000000000b R11: 0000000000000246 R12: 00007ffe2b637b50
R13: 00007facf8e7a3b9 R14: 000000000001d2a1 R15: 0000000000000005
Modules linked in:
---[ end trace 2d80de8efd566c75 ]---
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 5c 34 f4 ff e9 ce fd ff ff e8 62 b4 b6 ff 0f 0b e8 5b b4 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000cc7ad8 EFLAGS: 00010293
RAX: ffffffff81b3f5a5 RBX: ffff88810c6759c0 RCX: ffff888124cc93c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000cc7b58 R08: ffffffff81b3eec3 R09: 0000000000000003
R10: fffff52000198f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811c885cc0 R14: ffff888127d98d68 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd49e72c038 CR3: 000000010c94a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400