handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1498! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 22871 Comm: syz-executor Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498 Code: de c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 7b 78 10 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 00 2d 94 8b e8 64 78 10 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 4d 78 10 00 RSP: 0018:ffffc90003077668 EFLAGS: 00010246 RAX: 91c988b461cabb00 RBX: ffffea000092ef40 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d9810f7 RDI: 00000000ffffffff RBP: ffffc90003077950 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: 1ffffd4000125de9 R13: 00fff3800000423c R14: ffffea000092ef48 R15: dffffc0000000000 FS: 000055557d4f7500(0000) GS:ffff888125c52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21a2459f98 CR3: 000000002eda4000 CR4: 0000000000350ef0 Call Trace: f2fs_sync_node_pages+0x180a/0x1a10 fs/f2fs/node.c:2081 block_operations fs/f2fs/checkpoint.c:1276 [inline] f2fs_write_checkpoint+0xe5f/0x1de0 fs/f2fs/checkpoint.c:1638 kill_f2fs_super+0x2c3/0x6c0 fs/f2fs/super.c:5076 deactivate_locked_super+0xbc/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417 task_work_run+0x1d4/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9264d8fc57 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd9ee88b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f9264e10925 RCX: 00007f9264d8fc57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd9ee88c50 RBP: 00007ffd9ee88c50 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd9ee89ce0 R13: 00007f9264e10925 R14: 00000000001d8c88 R15: 00007ffd9ee89d20 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498 Code: de c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 7b 78 10 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 00 2d 94 8b e8 64 78 10 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 4d 78 10 00 RSP: 0018:ffffc90003077668 EFLAGS: 00010246 RAX: 91c988b461cabb00 RBX: ffffea000092ef40 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d9810f7 RDI: 00000000ffffffff RBP: ffffc90003077950 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: 1ffffd4000125de9 R13: 00fff3800000423c R14: ffffea000092ef48 R15: dffffc0000000000 FS: 000055557d4f7500(0000) GS:ffff888125c52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c1b37e2d8 CR3: 000000002eda4000 CR4: 0000000000350ef0