EXT4-fs error (device loop0): ext4_lookup:1858: inode #11: comm syz-executor: iget: bad extended attribute block 393216 EXT4-fs error (device loop0): ext4_lookup:1858: inode #11: comm syz-executor: iget: bad extended attribute block 393216 ------------[ cut here ]------------ kernel BUG at fs/namei.c:2941! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1621 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:may_delete+0x727/0x730 fs/namei.c:2941 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 3a 2c f5 ff e9 75 fe ff ff e8 d0 ca b5 ff 0f 0b e8 c9 ca b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 ca RSP: 0018:ffffc90001047b48 EFLAGS: 00010293 RAX: ffffffff81b3e0e7 RBX: ffff888111d17330 RCX: ffff888118aacf00 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90001047ba0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000208f48 R12: 1ffff110223a2e66 R13: 0000000000000001 R14: ffff88813637a690 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f83aa87063d CR3: 000000012f8c4000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rmdir+0x2f/0x450 fs/namei.c:4138 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1989 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x44f/0x500 fs/namespace.c:1148 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xb70/0x29a0 kernel/exit.c:890 do_group_exit+0x149/0x310 kernel/exit.c:1004 __do_sys_exit_group kernel/exit.c:1015 [inline] __se_sys_exit_group kernel/exit.c:1013 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1013 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff66fdaee59 Code: Unable to access opcode bytes at RIP 0x7ff66fdaee2f. RSP: 002b:00007fff6e1a0df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ff66fe442ef RCX: 00007ff66fdaee59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000075 R08: 0000000000000000 R09: 00007ff66fe442ca R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e1a20b0 R13: 00007ff66fe442ca R14: 00000000000149cb R15: 00007fff6e1a3180 Modules linked in: ---[ end trace 224964de8a011167 ]--- RIP: 0010:may_delete+0x727/0x730 fs/namei.c:2941 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 3a 2c f5 ff e9 75 fe ff ff e8 d0 ca b5 ff 0f 0b e8 c9 ca b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 ca RSP: 0018:ffffc90001047b48 EFLAGS: 00010293 RAX: ffffffff81b3e0e7 RBX: ffff888111d17330 RCX: ffff888118aacf00 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90001047ba0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000208f48 R12: 1ffff110223a2e66 R13: 0000000000000001 R14: ffff88813637a690 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555573098948 CR3: 000000012541b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400