DUID 00:04:52:37:01:18:ef:18:23:1a:50:cb:d1:49:65:cf:57:ac forked to background, child pid 3915 [ 40.996695][ T3916] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.005828][ T3916] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.17' (ED25519) to the list of known hosts. executing program syzkaller login: [ 69.728323][ T4251] loop0: detected capacity change from 0 to 131072 [ 69.742558][ T4251] F2FS-fs (loop0): invalid crc value [ 69.752303][ T4251] F2FS-fs (loop0): Found nat_bits in checkpoint [ 69.800410][ T4251] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 69.823372][ T26] audit: type=1800 audit(1736233285.722:2): pid=4251 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor342" name="bus" dev="loop0" ino=10 res=0 errno=0 [ 69.894417][ T4256] F2FS-fs (loop0): switch discard_unit option is not allowed [ 69.894520][ T4251] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 69.913655][ T4251] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 69.922087][ T4251] CPU: 0 PID: 4251 Comm: syz-executor342 Not tainted 6.1.123-syzkaller #0 [ 69.930572][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 69.940618][ T4251] RIP: 0010:update_sit_entry+0x67f/0x10d0 [ 69.946356][ T4251] Code: 24 30 48 8d 5c 08 20 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 3e 44 04 fe 4c 8b 33 4d 01 ee 4c 89 f3 48 c1 eb 03 <42> 0f b6 04 3b 84 c0 4d 89 fd 0f 85 8a 08 00 00 41 0f b6 2e 41 89 [ 69.965978][ T4251] RSP: 0018:ffffc90003d76a70 EFLAGS: 00010247 [ 69.972042][ T4251] RAX: 1ffff11003ad7e88 RBX: 0000000000000000 RCX: 0000000000000420 [ 69.980009][ T4251] RDX: ffff88801abb3b80 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.987984][ T4251] RBP: 0000000000000080 R08: ffffffff83ddea38 R09: ffffffff83dde58a [ 69.995953][ T4251] R10: 0000000000000003 R11: ffff88801abb3b80 R12: 0000000000000001 [ 70.003920][ T4251] R13: 0000000000000005 R14: 0000000000000005 R15: dffffc0000000000 [ 70.011886][ T4251] FS: 00007faf044d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 70.020811][ T4251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.027397][ T4251] CR2: 00007faf044b3d58 CR3: 0000000075919000 CR4: 00000000003506f0 [ 70.035382][ T4251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.043354][ T4251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.051326][ T4251] Call Trace: [ 70.054606][ T4251] [ 70.057536][ T4251] ? __die_body+0x5e/0xa0 [ 70.061874][ T4251] ? die_addr+0x95/0xc0 [ 70.066036][ T4251] ? exc_general_protection+0x3ae/0x590 [ 70.071682][ T4251] ? asm_exc_general_protection+0x22/0x30 [ 70.077444][ T4251] ? update_sit_entry+0x2a/0x10d0 [ 70.082474][ T4251] ? update_sit_entry+0x4d8/0x10d0 [ 70.087592][ T4251] ? update_sit_entry+0x67f/0x10d0 [ 70.092716][ T4251] f2fs_allocate_data_block+0x149a/0x3310 [ 70.098452][ T4251] do_write_page+0x172/0x6e0 [ 70.103062][ T4251] f2fs_do_write_node_page+0xec/0x1a0 [ 70.108468][ T4251] ? f2fs_do_write_meta_page+0xa80/0xa80 [ 70.114120][ T4251] ? __write_node_page+0xfb2/0x2600 [ 70.119346][ T4251] __write_node_page+0xc36/0x2600 [ 70.124405][ T4251] ? f2fs_move_node_page+0x520/0x520 [ 70.129694][ T4251] ? folio_clear_dirty_for_io+0x7f4/0xcf0 [ 70.135511][ T4251] ? __might_sleep+0xb0/0xb0 [ 70.140109][ T4251] f2fs_fsync_node_pages+0x17c0/0x22d0 [ 70.145596][ T4251] ? __write_node_page+0x2600/0x2600 [ 70.150900][ T4251] ? f2fs_exist_written_data+0x5f/0x80 [ 70.156384][ T4251] ? up_read+0x20/0x20 [ 70.160464][ T4251] ? _raw_spin_unlock+0x24/0x40 [ 70.165324][ T4251] ? __lookup_nat_cache+0x256/0x290 [ 70.170527][ T4251] ? radix_tree_lookup+0x270/0x280 [ 70.175644][ T4251] f2fs_do_sync_file+0x157e/0x1cf0 [ 70.180776][ T4251] ? f2fs_sync_file+0x160/0x160 [ 70.185652][ T4251] ? file_modified_flags+0x3eb/0x480 [ 70.190945][ T4251] ? vfs_fsync_range+0xc3/0x1b0 [ 70.195793][ T4251] ? f2fs_sync_file+0xe5/0x160 [ 70.200556][ T4251] iomap_dio_complete+0x64e/0x7d0 [ 70.205584][ T4251] f2fs_file_write_iter+0x1344/0x2490 [ 70.210960][ T4251] ? aa_path_link+0xea0/0xea0 [ 70.215646][ T4251] ? iter_file_splice_write+0x2a5/0xfc0 [ 70.221190][ T4251] ? do_sendfile+0x619/0xff0 [ 70.225778][ T4251] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 70.231845][ T4251] ? f2fs_file_read_iter+0xa10/0xa10 [ 70.237134][ T4251] ? common_file_perm+0x17d/0x1d0 [ 70.242159][ T4251] do_iter_write+0x6e6/0xc40 [ 70.246746][ T4251] ? vfs_iter_write+0xa0/0xa0 [ 70.251434][ T4251] ? vfs_iter_write+0x69/0xa0 [ 70.256101][ T4251] iter_file_splice_write+0x830/0xfc0 [ 70.261480][ T4251] ? splice_from_pipe+0x240/0x240 [ 70.266497][ T4251] ? splice_shrink_spd+0xb0/0xb0 [ 70.271428][ T4251] ? fsnotify_set_children_dentry_flags+0x220/0x220 [ 70.278014][ T4251] ? common_file_perm+0x17d/0x1d0 [ 70.283039][ T4251] ? splice_from_pipe+0x240/0x240 [ 70.288061][ T4251] direct_splice_actor+0xe3/0x1c0 [ 70.293093][ T4251] splice_direct_to_actor+0x4c7/0xc30 [ 70.298555][ T4251] ? direct_file_splice_eof+0xa0/0xa0 [ 70.303918][ T4251] ? pipe_to_sendpage+0x350/0x350 [ 70.308934][ T4251] ? fsnotify_perm+0x64/0x590 [ 70.313605][ T4251] ? security_file_permission+0x75/0xa0 [ 70.319146][ T4251] do_splice_direct+0x2a5/0x3e0 [ 70.323997][ T4251] ? splice_direct_to_actor+0xc30/0xc30 [ 70.329532][ T4251] ? rcu_read_lock_any_held+0xb3/0x160 [ 70.334988][ T4251] ? do_splice_direct+0x3e0/0x3e0 [ 70.340007][ T4251] do_sendfile+0x619/0xff0 [ 70.344423][ T4251] ? rcu_is_watching+0x11/0xb0 [ 70.349180][ T4251] ? do_pwritev+0x360/0x360 [ 70.353685][ T4251] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 70.359672][ T4251] __se_sys_sendfile64+0x178/0x1e0 [ 70.364781][ T4251] ? __x64_sys_sendfile64+0xa0/0xa0 [ 70.369986][ T4251] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.375959][ T4251] ? lockdep_hardirqs_on+0x94/0x130 [ 70.381174][ T4251] ? syscall_enter_from_user_mode+0x2e/0x230 [ 70.387163][ T4251] do_syscall_64+0x3b/0xb0 [ 70.391582][ T4251] ? clear_bhb_loop+0x45/0xa0 [ 70.396248][ T4251] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 70.402144][ T4251] RIP: 0033:0x7faf045167e9 [ 70.406563][ T4251] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 70.426161][ T4251] RSP: 002b:00007faf044d4218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 70.434571][ T4251] RAX: ffffffffffffffda RBX: 00007faf045af728 RCX: 00007faf045167e9 [ 70.442559][ T4251] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000006 [ 70.450548][ T4251] RBP: 00007faf045af720 R08: 0000000000000000 R09: 0000000000000000 [ 70.458512][ T4251] R10: 0000000080000002 R11: 0000000000000246 R12: 00007faf0457c624 [ 70.466475][ T4251] R13: a92483129444e42d R14: 0000000020020c40 R15: b8651aa520050f65 [ 70.474447][ T4251] [ 70.477458][ T4251] Modules linked in: [ 70.482280][ T4251] ---[ end trace 0000000000000000 ]--- [ 70.487804][ T4251] RIP: 0010:update_sit_entry+0x67f/0x10d0 [ 70.493631][ T4251] Code: 24 30 48 8d 5c 08 20 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 3e 44 04 fe 4c 8b 33 4d 01 ee 4c 89 f3 48 c1 eb 03 <42> 0f b6 04 3b 84 c0 4d 89 fd 0f 85 8a 08 00 00 41 0f b6 2e 41 89 [ 70.513396][ T4251] RSP: 0018:ffffc90003d76a70 EFLAGS: 00010247 [ 70.519541][ T4251] RAX: 1ffff11003ad7e88 RBX: 0000000000000000 RCX: 0000000000000420 [ 70.527556][ T4251] RDX: ffff88801abb3b80 RSI: 0000000000000000 RDI: 0000000000000000 [ 70.535566][ T4251] RBP: 0000000000000080 R08: ffffffff83ddea38 R09: ffffffff83dde58a [ 70.543576][ T4251] R10: 0000000000000003 R11: ffff88801abb3b80 R12: 0000000000000001 [ 70.551572][ T4251] R13: 0000000000000005 R14: 0000000000000005 R15: dffffc0000000000 [ 70.559533][ T4251] FS: 00007faf044d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 70.568491][ T4251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.575107][ T4251] CR2: 00007faf044b3d58 CR3: 0000000075919000 CR4: 00000000003506f0 [ 70.583106][ T4251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.591104][ T4251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.599075][ T4251] Kernel panic - not syncing: Fatal exception [ 70.605478][ T4251] Kernel Offset: disabled [ 70.609797][ T4251] Rebooting in 86400 seconds..