F2FS-fs (loop8): inconsistent node block, node_type:0, nid:11, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] ------------[ cut here ]------------ kernel BUG at fs/f2fs/data.c:387! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 147 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events_unbound nsim_dev_trap_report_work RIP: 0010:f2fs_write_end_io+0xfb9/0xff0 fs/f2fs/data.c:387 Code: c6 a0 6d 9a 8b e8 87 91 fb fc 90 0f 0b e8 1f 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 70 91 fb fc 90 0f 0b e8 08 24 98 fd 90 <0f> 0b e8 00 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 51 91 fb fc RSP: 0000:ffffc90003b77750 EFLAGS: 00010246 RAX: ffffffff842c2ed8 RBX: 0000000000000000 RCX: ffff88801f7d9e40 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: 000000007ff4e000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1ed44b7 R12: 0000000000000006 R13: ffffea0001ffd380 R14: 000000000000000b R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888126343000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79cf514000 CR3: 0000000057018000 CR4: 00000000003526f0 Call Trace: blk_update_request+0x57e/0xe60 block/blk-mq.c:1016 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1178 blk_complete_reqs block/blk-mq.c:1253 [inline] blk_done_softirq+0x10a/0x160 block/blk-mq.c:1258 handle_softirqs+0x1de/0x6f0 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+0x1aa/0x7d0 net/core/skbuff.c:697 alloc_skb include/linux/skbuff.h:1383 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:819 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline] nsim_dev_trap_report_work+0x29f/0xbc0 drivers/net/netdevsim/dev.c:922 process_one_work kernel/workqueue.c:3275 [inline] process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 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+0xfb9/0xff0 fs/f2fs/data.c:387 Code: c6 a0 6d 9a 8b e8 87 91 fb fc 90 0f 0b e8 1f 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 70 91 fb fc 90 0f 0b e8 08 24 98 fd 90 <0f> 0b e8 00 24 98 fd 4c 89 ef 48 c7 c6 a0 6d 9a 8b e8 51 91 fb fc RSP: 0000:ffffc90003b77750 EFLAGS: 00010246 RAX: ffffffff842c2ed8 RBX: 0000000000000000 RCX: ffff88801f7d9e40 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: 000000007ff4e000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1ed44b7 R12: 0000000000000006 R13: ffffea0001ffd380 R14: 000000000000000b R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888126343000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79cf514000 CR3: 0000000057018000 CR4: 00000000003526f0