------------[ cut here ]------------
kernel BUG at fs/f2fs/data.c:356!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5161 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:f2fs_write_end_io+0xf91/0xfd0 fs/f2fs/data.c:355
Code: c6 c0 e9 79 8b e8 df 48 08 fd 90 0f 0b e8 97 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 c8 48 08 fd 90 0f 0b e8 80 c7 a3 fd 90 <0f> 0b e8 78 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 a9 48 08 fd
RSP: 0018:ffffc900041bf628 EFLAGS: 00010246
RAX: ffffffff841f6fc0 RBX: 000000000000000b RCX: ffff8880375e5ac0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff888000000000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff94000189951 R12: 000000003132a000
R13: ffffea0000c4ca80 R14: 0000000000000000 R15: 0000000000000006
FS:  00007f152d04f880(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd083e0be8 CR3: 00000000381c0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
 blk_complete_reqs block/blk-mq.c:1244 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1249
 handle_softirqs+0x1de/0x640 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 __local_bh_enable_ip+0x170/0x2b0 kernel/softirq.c:302
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __alloc_skb+0x1b7/0x390 net/core/skbuff.c:674
 netlink_sendmsg+0x5d4/0xb40 net/netlink/af_netlink.c:1869
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 ____sys_sendmsg+0xa4e/0xac0 net/socket.c:2592
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2683 [inline]
 __se_sys_sendmsg net/socket.c:2681 [inline]
 __x64_sys_sendmsg+0x1c3/0x2a0 net/socket.c:2681
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f152d13d407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd083eab50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f152d04f880 RCX: 00007f152d13d407
RDX: 0000000000000000 RSI: 00007ffd083eabb0 RDI: 0000000000000004
RBP: 000055b62f054550 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000a7
R13: 000055b62f0239e0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_write_end_io+0xf91/0xfd0 fs/f2fs/data.c:355
Code: c6 c0 e9 79 8b e8 df 48 08 fd 90 0f 0b e8 97 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 c8 48 08 fd 90 0f 0b e8 80 c7 a3 fd 90 <0f> 0b e8 78 c7 a3 fd 4c 89 ef 48 c7 c6 c0 e9 79 8b e8 a9 48 08 fd
RSP: 0018:ffffc900041bf628 EFLAGS: 00010246
RAX: ffffffff841f6fc0 RBX: 000000000000000b RCX: ffff8880375e5ac0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: ffff888000000000 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: fffff94000189951 R12: 000000003132a000
R13: ffffea0000c4ca80 R14: 0000000000000000 R15: 0000000000000006
FS:  00007f152d04f880(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd083e0be8 CR3: 00000000381c0000 CR4: 00000000003526f0