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kernel BUG at fs/ext4/inode.c:5326!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 748 Comm: syz.0.103 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5325 [inline]
RIP: 0010:ext4_mark_iloc_dirty+0x3e33/0x3e40 fs/ext4/inode.c:5924
Code: cd ff e9 b2 f0 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c bf f0 ff ff 4c 89 ff e8 d7 d6 cd ff e9 b2 f0 ff ff e8 3d 55 93 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc90000f7fa98 EFLAGS: 00010293
RAX: ffffffff81d16113 RBX: ffff888127fde001 RCX: ffff8881286ce2c0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90000f7fb98 R08: ffff88812da7791f R09: 1ffff11025b4ef23
R10: dffffc0000000000 R11: ffffed1025b4ef24 R12: dffffc0000000000
R13: ffff88812da777e0 R14: ffff888127fde000 R15: 00000000ffffffff
FS:  00007f2f62bd16c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2f62bafff8 CR3: 000000010ee32000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __ext4_mark_inode_dirty+0x423/0x610 fs/ext4/inode.c:6126
 ext4_setattr+0xc6c/0x1760 fs/ext4/inode.c:5583
 notify_change+0xab3/0xe40 fs/attr.c:410
 chown_common+0x335/0x500 fs/open.c:675
 vfs_fchown fs/open.c:742 [inline]
 ksys_fchown+0xef/0x160 fs/open.c:753
 __do_sys_fchown fs/open.c:761 [inline]
 __se_sys_fchown fs/open.c:759 [inline]
 __x64_sys_fchown+0x7a/0x90 fs/open.c:759
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2f64196f79
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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2f62bd1028 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007f2f64411090 RCX: 00007f2f64196f79
RDX: 000000006567650a RSI: 000000003a736e6f RDI: 0000000000000005
RBP: 00007f2f6422d7e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2f64411128 R14: 00007f2f64411090 R15: 00007ffff9062268
Modules linked in:
---[ end trace e02a14844928c5b3 ]---
RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5325 [inline]
RIP: 0010:ext4_mark_iloc_dirty+0x3e33/0x3e40 fs/ext4/inode.c:5924
Code: cd ff e9 b2 f0 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c bf f0 ff ff 4c 89 ff e8 d7 d6 cd ff e9 b2 f0 ff ff e8 3d 55 93 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc90000f7fa98 EFLAGS: 00010293
RAX: ffffffff81d16113 RBX: ffff888127fde001 RCX: ffff8881286ce2c0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90000f7fb98 R08: ffff88812da7791f R09: 1ffff11025b4ef23
R10: dffffc0000000000 R11: ffffed1025b4ef24 R12: dffffc0000000000
R13: ffff88812da777e0 R14: ffff888127fde000 R15: 00000000ffffffff
FS:  00007f2f62bd16c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2f62bafff8 CR3: 000000010ee32000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400