ebian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.076267] F2FS-fs (loop0): invalid crc value [ 28.086369] F2FS-fs (loop0): Found nat_bits in checkpoint [ 28.117253] F2FS-fs (loop0): Mounted with checkpoint version = 3651456e [ 28.167127] ------------[ cut here ]------------ [ 28.171937] kernel BUG at fs/f2fs/node.c:1069! [ 28.177448] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 28.182797] Modules linked in: [ 28.185971] CPU: 0 PID: 7963 Comm: syz-executor331 Not tainted 4.14.295-syzkaller #0 [ 28.193824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.203156] task: ffff8880b4f10100 task.stack: ffff88809e020000 [ 28.209195] RIP: 0010:new_node_page+0xd1d/0x1180 [ 28.213923] RSP: 0018:ffff88809e0278b0 EFLAGS: 00010297 [ 28.219262] RAX: ffff8880b4f10100 RBX: ffff88809e027a00 RCX: 0000000000000001 [ 28.226509] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff88809587b2d8 [ 28.233752] RBP: ffff888095e62700 R08: 0000000000000001 R09: 0000000000000005 [ 28.240997] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0002bc3cc0 [ 28.248250] R13: 000000001fffffff R14: ffff88809e0278f8 R15: 0000000000000001 [ 28.255505] FS: 000055555634c300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 28.263713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.269571] CR2: 0000557755407c40 CR3: 00000000ab4d8000 CR4: 00000000003406f0 [ 28.276821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.284069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.291318] Call Trace: [ 28.293887] ? truncate_xattr_node+0x1f0/0x1f0 [ 28.298448] __f2fs_setxattr+0xb77/0x1550 [ 28.302573] ? read_all_xattrs+0x200/0x200 [ 28.306782] ? lock_acquire+0x170/0x3f0 [ 28.310730] f2fs_setxattr+0x11b/0x1c0 [ 28.314591] f2fs_xattr_generic_set+0xe0/0x1c0 [ 28.319148] ? f2fs_initxattrs+0x110/0x110 [ 28.323359] __vfs_setxattr+0xdc/0x130 [ 28.327221] ? xattr_resolve_name+0x370/0x370 [ 28.331695] ? evm_protect_xattr.constprop.0+0x6c/0x350 [ 28.337033] __vfs_setxattr_noperm+0xfd/0x3d0 [ 28.341504] __vfs_setxattr_locked+0x14d/0x250 [ 28.346065] vfs_setxattr+0xcf/0x230 [ 28.349753] ? __check_object_size+0x119/0x230 [ 28.354307] ? __vfs_setxattr_locked+0x250/0x250 [ 28.359044] ? strncpy_from_user+0x210/0x2c0 [ 28.363430] setxattr+0x1a9/0x300 [ 28.366863] ? vfs_setxattr+0x230/0x230 [ 28.370811] ? mntput_no_expire+0xc7/0x910 [ 28.375019] ? lock_acquire+0x170/0x3f0 [ 28.378968] ? task_work_run+0xfd/0x190 [ 28.382920] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.388347] ? preempt_count_add+0xaf/0x170 [ 28.392640] ? __mnt_want_write+0x1da/0x270 [ 28.396937] SyS_fsetxattr+0x123/0x190 [ 28.400803] ? SyS_lsetxattr+0x40/0x40 [ 28.404666] do_syscall_64+0x1d5/0x640 [ 28.408533] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.413696] RIP: 0033:0x7f52340ccbd9 [ 28.417385] RSP: 002b:00007ffd504f1268 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 28.425065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52340ccbd9 [ 28.432308] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005 [ 28.439552] RBP: 00007f523408c470 R08: 0000000000000000 R09: 0000000000000000 [ 28.446795] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f523408c500 [ 28.454039] R13: 0000000000000000 R14: 00000ffc00000040 R15: 0000000000000000 [ 28.461286] Code: 00 44 89 ad 78 04 00 00 be 01 00 00 00 48 89 ef e8 99 a3 f7 ff e9 ea fc ff ff 49 c7 c4 ff ff ff ff e9 de fc ff ff e8 13 41 8a fe <0f> 0b 48 89 44 24 10 e8 07 41 8a fe 48 8b 44 24 10 4c 8d 70 ff [ 28.480352] RIP: new_node_page+0xd1d/0x1180 RSP: ffff88809e0278b0 [ 28.495572] ---[ end trace 0de149c9126026b3 ]--- [ 28.500344] Kernel panic - not syncing: Fatal exception [ 28.505856] Kernel Offset: disabled [ 28.509473] Rebooting in 86400 seconds..