------------[ cut here ]------------
kernel BUG at fs/buffer.c:581!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 511 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:mark_buffer_dirty_inode+0x308/0x310 fs/buffer.c:581
Code: 74 08 4c 89 f7 e8 78 32 ea ff 4d 89 2e 48 8b 7d a8 e8 ac af c4 02 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f8 41 b0 ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 48 89 fb
RSP: 0018:ffffc90000ec7770 EFLAGS: 00010293
RAX: ffffffff81b363a8 RBX: ffff8881092fa490 RCX: ffff8881190a4f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881190a4f00
RBP: ffffc90000ec77c8 R08: dffffc0000000000 R09: fffff94000905b59
R10: fffff94000905b59 R11: 1ffffd4000905b58 R12: dffffc0000000000
R13: ffff8881092fa490 R14: 1ffff1102125f4a9 R15: ffff8881092fa548
FS:  000055558b9af500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b2683cc1e0 CR3: 00000001199bf000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __ext4_handle_dirty_metadata+0x25e/0x7f0 fs/ext4/ext4_jbd2.c:362
 ext4_xattr_release_block+0x72e/0x9f0 fs/ext4/xattr.c:1303
 ext4_xattr_delete_inode+0xa6f/0xbf0 fs/ext4/xattr.c:2952
 ext4_evict_inode+0x10d3/0x1760 fs/ext4/inode.c:300
 evict+0x478/0x910 fs/inode.c:612
 iput_final fs/inode.c:1736 [inline]
 iput+0x638/0x7c0 fs/inode.c:1762
 dentry_unlink_inode+0x2cf/0x380 fs/dcache.c:378
 __dentry_kill+0x44f/0x650 fs/dcache.c:583
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:883
 __fput+0x4fe/0x770 fs/file_table.c:294
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f579f82cec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc934a4b18 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000000c9dc RCX: 00007f579f82cec9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f579fa85da0 R08: 0000000000000001 R09: 00000006934a4e0f
R10: 0000001b32020000 R11: 0000000000000246 R12: 00007f579fa83fac
R13: 00007f579fa83fa0 R14: ffffffffffffffff R15: 00007ffc934a4c30
Modules linked in:
---[ end trace 928c7145fb7cd3ba ]---
RIP: 0010:mark_buffer_dirty_inode+0x308/0x310 fs/buffer.c:581
Code: 74 08 4c 89 f7 e8 78 32 ea ff 4d 89 2e 48 8b 7d a8 e8 ac af c4 02 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f8 41 b0 ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 48 89 fb
RSP: 0018:ffffc90000ec7770 EFLAGS: 00010293
RAX: ffffffff81b363a8 RBX: ffff8881092fa490 RCX: ffff8881190a4f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881190a4f00
RBP: ffffc90000ec77c8 R08: dffffc0000000000 R09: fffff94000905b59
R10: fffff94000905b59 R11: 1ffffd4000905b58 R12: dffffc0000000000
R13: ffff8881092fa490 R14: 1ffff1102125f4a9 R15: ffff8881092fa548
FS:  000055558b9af500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b2683cc1e0 CR3: 00000001199bf000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400