syzbot

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kernel BUG at fs/f2fs/inode.c:948!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5880 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:f2fs_evict_inode+0x1871/0x1890 fs/f2fs/inode.c:948
Code: c6 bf 02 00 00 00 e8 3e b8 d1 fd 40 84 ed 75 28 e8 a4 b5 d1 fd 4c 8b 2c 24 e9 6a e9 ff ff e8 96 b5 d1 fd 0f 0b e8 8f b5 d1 fd <0f> 0b e8 88 b5 d1 fd 0f 0b e9 0e ff ff ff e8 7c b5 d1 fd e8 97 36
RSP: 0000:ffffc90003277940 EFLAGS: 00010293
RAX: ffffffff83b566d1 RBX: ffff88805b5c0900 RCX: ffff88802b859e00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffff88805b5c0950 R08: ffff88805b5c0daf R09: 1ffff1100b6b81b5
R10: dffffc0000000000 R11: ffffed100b6b81b6 R12: dffffc0000000000
R13: ffff88802427c000 R14: 0000000000000002 R15: ffff88805b5c0da8
FS:  000055556787b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7c82490feb CR3: 0000000025a2c000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 evict+0x4ca/0x8d0 fs/inode.c:705
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x606/0x6a0 fs/inode.c:792
 generic_shutdown_super+0x97/0x2b0 fs/super.c:672
 kill_block_super+0x44/0x90 fs/super.c:1660
 kill_f2fs_super+0x326/0x3d0 fs/f2fs/super.c:4883
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc73719d9d7
Code: a2 c7 05 1c fd 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd3da72078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc737232050 RCX: 00007fc73719d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3da72130
RBP: 00007ffd3da72130 R08: 00007ffd3da73130 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3da731c0
R13: 00007fc737232050 R14: 0000000000019877 R15: 00007ffd3da73200
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_evict_inode+0x1871/0x1890 fs/f2fs/inode.c:948
Code: c6 bf 02 00 00 00 e8 3e b8 d1 fd 40 84 ed 75 28 e8 a4 b5 d1 fd 4c 8b 2c 24 e9 6a e9 ff ff e8 96 b5 d1 fd 0f 0b e8 8f b5 d1 fd <0f> 0b e8 88 b5 d1 fd 0f 0b e9 0e ff ff ff e8 7c b5 d1 fd e8 97 36
RSP: 0000:ffffc90003277940 EFLAGS: 00010293
RAX: ffffffff83b566d1 RBX: ffff88805b5c0900 RCX: ffff88802b859e00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffff88805b5c0950 R08: ffff88805b5c0daf R09: 1ffff1100b6b81b5
R10: dffffc0000000000 R11: ffffed100b6b81b6 R12: dffffc0000000000
R13: ffff88802427c000 R14: 0000000000000002 R15: ffff88805b5c0da8
FS:  000055556787b500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7c823d87e8 CR3: 0000000025a2c000 CR4: 00000000003506e0