------------[ cut here ]------------ kernel BUG at fs/f2fs/data.c:356! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 3652 Comm: kworker/u8:15 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: bat_events batadv_nc_worker RIP: 0010:f2fs_write_end_io+0xb52/0xb60 fs/f2fs/data.c:355 Code: e8 b3 80 19 fe e9 91 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c e3 f6 ff ff 48 89 df e8 29 81 19 fe e9 d6 f6 ff ff e8 df 49 ba fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000dd2f5b8 EFLAGS: 00010246 RAX: ffffffff840414f1 RBX: 0000000000000000 RCX: ffff888031729dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: ffff88803f80ea00 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffff940001c1089 R12: 0000000000000006 R13: ffffea0000e08440 R14: 000000000000000b R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881269c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa9f83cdf98 CR3: 0000000030422000 CR4: 00000000003526f0 Call Trace: blk_update_request+0x57e/0xe60 block/blk-mq.c:989 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1151 blk_complete_reqs block/blk-mq.c:1226 [inline] blk_done_softirq+0x10a/0x160 block/blk-mq.c:1231 handle_softirqs+0x22c/0x710 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] __local_bh_enable_ip+0x179/0x270 kernel/softirq.c:259 local_bh_enable include/linux/bottom_half.h:33 [inline] spin_unlock_bh include/linux/spinlock_rt.h:111 [inline] batadv_nc_purge_paths+0x34d/0x3f0 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x87e/0xbc0 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_write_end_io+0xb52/0xb60 fs/f2fs/data.c:355 Code: e8 b3 80 19 fe e9 91 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c e3 f6 ff ff 48 89 df e8 29 81 19 fe e9 d6 f6 ff ff e8 df 49 ba fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000dd2f5b8 EFLAGS: 00010246 RAX: ffffffff840414f1 RBX: 0000000000000000 RCX: ffff888031729dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: ffff88803f80ea00 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffff940001c1089 R12: 0000000000000006 R13: ffffea0000e08440 R14: 000000000000000b R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881269c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa9f83cdf98 CR3: 0000000030422000 CR4: 00000000003526f0