Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts. 2026/02/08 05:07:30 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 44.252067][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 44.252079][ T24] audit: type=1400 audit(1770527250.700:105): avc: denied { unlink } for pid=422 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 44.288581][ T24] audit: type=1400 audit(1770527250.730:106): avc: denied { write } for pid=424 comm="mkswap" path="pipe:[15279]" dev="pipefs" ino=15279 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 44.311311][ T422] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.925878][ T24] audit: type=1400 audit(1770527251.370:107): avc: denied { create } for pid=443 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.295366][ T24] audit: type=1401 audit(1770527251.740:108): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.360501][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.367635][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.375426][ T476] device bridge_slave_0 entered promiscuous mode [ 45.382514][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.389747][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.397178][ T476] device bridge_slave_1 entered promiscuous mode [ 45.426592][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.433659][ T476] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.440965][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.447982][ T476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.463530][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.471066][ T386] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.478174][ T386] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.491928][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.500165][ T386] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.507369][ T386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.516335][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.524558][ T386] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.531770][ T386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.546333][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.555368][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.567871][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.578375][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.586597][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.594054][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.607855][ T476] device veth0_vlan entered promiscuous mode [ 45.617160][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.630996][ T476] device veth1_macvtap entered promiscuous mode [ 45.640025][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.649992][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/08 05:07:32 executed programs: 0 [ 45.897822][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.905582][ T486] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.913232][ T486] device bridge_slave_0 entered promiscuous mode [ 45.920345][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.927374][ T486] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.934924][ T486] device bridge_slave_1 entered promiscuous mode [ 45.982500][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.989696][ T486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.996926][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.004144][ T486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.021248][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.029103][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.036508][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.045770][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.053983][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.061206][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.070702][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.079092][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.086199][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.097761][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.106894][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.119754][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.130842][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.139066][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.146534][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.154717][ T486] device veth0_vlan entered promiscuous mode [ 46.164253][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.173091][ T486] device veth1_macvtap entered promiscuous mode [ 46.181861][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.191438][ T324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.330086][ T494] F2FS-fs (loop2): Fix alignment : internally, start(4096) end(16896) block(12288) [ 46.343657][ T494] F2FS-fs (loop2): invalid crc value [ 46.350720][ T494] F2FS-fs (loop2): Found nat_bits in checkpoint [ 46.371327][ T494] F2FS-fs (loop2): recover fsync data on readonly fs [ 46.378156][ T494] F2FS-fs (loop2): Cannot turn on quotas: -2 on 1 [ 46.384995][ T494] F2FS-fs (loop2): Cannot turn on quotas: -2 on 2 [ 46.391787][ T494] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 46.399573][ T24] audit: type=1400 audit(1770527252.850:109): avc: denied { mount } for pid=493 comm="syz.2.17" name="/" dev="loop2" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 46.408362][ T494] ====================================================== [ 46.408362][ T494] WARNING: the mand mount option is being deprecated and [ 46.408362][ T494] will be removed in v5.15! [ 46.408362][ T494] ====================================================== [ 46.421261][ T24] audit: type=1400 audit(1770527252.850:110): avc: denied { remount } for pid=493 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 46.447953][ T494] F2FS-fs (loop2): Try to recover all the superblocks, ret: 0 [ 46.475988][ T494] ================================================================== [ 46.479548][ T24] audit: type=1400 audit(1770527252.930:111): avc: denied { write } for pid=493 comm="syz.2.17" name="/" dev="loop2" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 46.484101][ T494] BUG: KASAN: null-ptr-deref in f2fs_issue_flush+0x161/0x8b0 [ 46.505608][ T24] audit: type=1400 audit(1770527252.930:112): avc: denied { add_name } for pid=493 comm="syz.2.17" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 46.512886][ T494] Write of size 4 at addr 0000000000000024 by task syz.2.17/494 [ 46.512889][ T494] [ 46.512899][ T494] CPU: 1 PID: 494 Comm: syz.2.17 Not tainted syzkaller #0 [ 46.512905][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 46.512908][ T494] Call Trace: [ 46.512929][ T494] __dump_stack+0x21/0x24 [ 46.533734][ T24] audit: type=1400 audit(1770527252.930:113): avc: denied { create } for pid=493 comm="syz.2.17" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 46.540825][ T494] dump_stack_lvl+0x1a7/0x208 [ 46.540835][ T494] ? thaw_kernel_threads+0x220/0x220 [ 46.540850][ T494] ? show_regs_print_info+0x18/0x18 [ 46.543465][ T24] audit: type=1400 audit(1770527252.930:114): avc: denied { write open } for pid=493 comm="syz.2.17" path="/0/file0/file1" dev="loop2" ino=10 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 46.550350][ T494] ? f2fs_issue_flush+0x161/0x8b0 [ 46.550360][ T494] kasan_report+0xd8/0x130 [ 46.550369][ T494] ? f2fs_issue_flush+0x161/0x8b0 [ 46.550379][ T494] kasan_check_range+0x249/0x2a0 [ 46.550389][ T494] __kasan_check_write+0x14/0x20 [ 46.550398][ T494] f2fs_issue_flush+0x161/0x8b0 [ 46.550409][ T494] ? f2fs_need_inode_block_update+0x212/0x280 [ 46.550420][ T494] ? is_inflight_io+0x480/0x480 [ 46.550431][ T494] ? radix_tree_lookup+0x1b8/0x1d0 [ 46.550440][ T494] ? __remove_ino_entry+0x14c/0x220 [ 46.550450][ T494] ? f2fs_wait_on_node_pages_writeback+0x33c/0x3a0 [ 46.550460][ T494] f2fs_do_sync_file+0x1325/0x1d80 [ 46.550471][ T494] ? f2fs_sync_file+0x150/0x150 [ 46.550483][ T494] ? balance_dirty_pages_ratelimited+0x5eb/0x1010 [ 46.550496][ T494] f2fs_sync_file+0x103/0x150 [ 46.550506][ T494] vfs_fsync_range+0x190/0x1a0 [ 46.550517][ T494] f2fs_file_write_iter+0x6d9/0x27a0 [ 46.550530][ T494] ? preempt_schedule_thunk+0x16/0x18 [ 46.550540][ T494] ? f2fs_file_read_iter+0xbc0/0xbc0 [ 46.550550][ T494] ? try_to_wake_up+0x638/0xd70 [ 46.550560][ T494] ? __kasan_check_write+0x14/0x20 [ 46.550569][ T494] ? wake_up_q+0x12c/0x1e0 [ 46.550578][ T494] ? futex_wake+0x4c4/0x570 [ 46.550588][ T494] ? futex_wait+0x6f0/0x6f0 [ 46.550598][ T494] ? avc_policy_seqno+0x1b/0x70 [ 46.550615][ T494] ? selinux_file_permission+0x2a5/0x510 [ 46.758988][ T494] ? security_file_permission+0x83/0xa0 [ 46.764541][ T494] ? iov_iter_init+0x3f/0x120 [ 46.769201][ T494] vfs_write+0x758/0xdc0 [ 46.773434][ T494] ? kernel_write+0x3c0/0x3c0 [ 46.778092][ T494] ? selinux_file_ioctl+0x3a0/0x4d0 [ 46.783281][ T494] ? __fget_files+0x2c4/0x320 [ 46.787942][ T494] ? __fdget+0x1a1/0x230 [ 46.792165][ T494] ? __x64_sys_pwrite64+0xf2/0x220 [ 46.797269][ T494] __x64_sys_pwrite64+0x197/0x220 [ 46.802273][ T494] ? ksys_pwrite64+0x1b0/0x1b0 [ 46.807019][ T494] ? __kasan_check_read+0x11/0x20 [ 46.812031][ T494] ? exit_to_user_mode_prepare+0x9a/0xa0 [ 46.817651][ T494] do_syscall_64+0x31/0x40 [ 46.822059][ T494] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.827938][ T494] RIP: 0033:0x7f30e531fe79 [ 46.832347][ T494] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 46.851942][ T494] RSP: 002b:00007f30e5184028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 46.860348][ T494] RAX: ffffffffffffffda RBX: 00007f30e558afa0 RCX: 00007f30e531fe79 [ 46.868521][ T494] RDX: 0000000000000001 RSI: 0000200000005c80 RDI: 0000000000000005 [ 46.876501][ T494] RBP: 00007f30e53b2ee0 R08: 0000000000000000 R09: 0000000000000000 [ 46.884566][ T494] R10: 0000000000c00000 R11: 0000000000000246 R12: 0000000000000000 [ 46.892562][ T494] R13: 00007f30e558b038 R14: 00007f30e558afa0 R15: 00007ffc74b60d18 [ 46.900527][ T494] ================================================================== [ 46.908571][ T494] Disabling lock debugging due to kernel taint [ 46.920349][ T494] BUG: kernel NULL pointer dereference, address: 0000000000000024 [ 46.928195][ T494] #PF: supervisor write access in kernel mode [ 46.934353][ T494] #PF: error_code(0x0002) - not-present page [ 46.940330][ T494] PGD 117f71067 P4D 117f71067 PUD 0 [ 46.945620][ T494] Oops: 0002 [#1] PREEMPT SMP KASAN [ 46.950896][ T494] CPU: 0 PID: 494 Comm: syz.2.17 Tainted: G B syzkaller #0 [ 46.959378][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 46.969431][ T494] RIP: 0010:f2fs_issue_flush+0x172/0x8b0 [ 46.975267][ T494] Code: 4f 58 ff 4c 89 64 24 28 49 83 c4 24 4c 89 e7 be 04 00 00 00 e8 4f cb 92 ff 81 e3 00 04 00 00 0f 85 52 01 00 00 4c 89 64 24 08 41 ff 04 24 4c 8b 74 24 20 4d 8d ae 6c 0c 00 00 4d 89 ec 49 c1 [ 46.994949][ T494] RSP: 0018:ffffc90000fc75c0 EFLAGS: 00010246 [ 47.001012][ T494] RAX: ffff8881176fe200 RBX: 0000000000000000 RCX: 0000000000000286 [ 47.008979][ T494] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff [ 47.016950][ T494] RBP: ffffc90000fc76d0 R08: 0000000000000003 R09: 0000000000000004 [ 47.025095][ T494] R10: dffffc0000000000 R11: fffffbfff0dcf448 R12: 0000000000000024 [ 47.033237][ T494] R13: ffffc90000fc7620 R14: 0000000000000000 R15: 1ffff920001f8ec0 [ 47.041203][ T494] FS: 00007f30e51846c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.050121][ T494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.056695][ T494] CR2: 0000000000000024 CR3: 0000000117f98000 CR4: 00000000003506b0 [ 47.064747][ T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.072707][ T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.080666][ T494] Call Trace: [ 47.083960][ T494] ? f2fs_need_inode_block_update+0x212/0x280 [ 47.090105][ T494] ? is_inflight_io+0x480/0x480 [ 47.094946][ T494] ? radix_tree_lookup+0x1b8/0x1d0 [ 47.100052][ T494] ? __remove_ino_entry+0x14c/0x220 [ 47.105246][ T494] ? f2fs_wait_on_node_pages_writeback+0x33c/0x3a0 [ 47.111735][ T494] f2fs_do_sync_file+0x1325/0x1d80 [ 47.117020][ T494] ? f2fs_sync_file+0x150/0x150 [ 47.121865][ T494] ? balance_dirty_pages_ratelimited+0x5eb/0x1010 [ 47.128270][ T494] f2fs_sync_file+0x103/0x150 [ 47.132943][ T494] vfs_fsync_range+0x190/0x1a0 [ 47.137697][ T494] f2fs_file_write_iter+0x6d9/0x27a0 [ 47.142975][ T494] ? preempt_schedule_thunk+0x16/0x18 [ 47.148350][ T494] ? f2fs_file_read_iter+0xbc0/0xbc0 [ 47.153623][ T494] ? try_to_wake_up+0x638/0xd70 [ 47.158647][ T494] ? __kasan_check_write+0x14/0x20 [ 47.163792][ T494] ? wake_up_q+0x12c/0x1e0 [ 47.168207][ T494] ? futex_wake+0x4c4/0x570 [ 47.172698][ T494] ? futex_wait+0x6f0/0x6f0 [ 47.177196][ T494] ? avc_policy_seqno+0x1b/0x70 [ 47.182034][ T494] ? selinux_file_permission+0x2a5/0x510 [ 47.187655][ T494] ? security_file_permission+0x83/0xa0 [ 47.193197][ T494] ? iov_iter_init+0x3f/0x120 [ 47.197974][ T494] vfs_write+0x758/0xdc0 [ 47.202233][ T494] ? kernel_write+0x3c0/0x3c0 [ 47.206923][ T494] ? selinux_file_ioctl+0x3a0/0x4d0 [ 47.212118][ T494] ? __fget_files+0x2c4/0x320 [ 47.216822][ T494] ? __fdget+0x1a1/0x230 [ 47.221062][ T494] ? __x64_sys_pwrite64+0xf2/0x220 [ 47.226168][ T494] __x64_sys_pwrite64+0x197/0x220 [ 47.231182][ T494] ? ksys_pwrite64+0x1b0/0x1b0 [ 47.236059][ T494] ? __kasan_check_read+0x11/0x20 [ 47.241169][ T494] ? exit_to_user_mode_prepare+0x9a/0xa0 [ 47.246794][ T494] do_syscall_64+0x31/0x40 [ 47.251210][ T494] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.257090][ T494] RIP: 0033:0x7f30e531fe79 [ 47.261514][ T494] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 47.281300][ T494] RSP: 002b:00007f30e5184028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 47.289813][ T494] RAX: ffffffffffffffda RBX: 00007f30e558afa0 RCX: 00007f30e531fe79 [ 47.297779][ T494] RDX: 0000000000000001 RSI: 0000200000005c80 RDI: 0000000000000005 [ 47.305826][ T494] RBP: 00007f30e53b2ee0 R08: 0000000000000000 R09: 0000000000000000 [ 47.313790][ T494] R10: 0000000000c00000 R11: 0000000000000246 R12: 0000000000000000 [ 47.321888][ T494] R13: 00007f30e558b038 R14: 00007f30e558afa0 R15: 00007ffc74b60d18 [ 47.329891][ T494] Modules linked in: [ 47.333793][ T494] CR2: 0000000000000024 [ 47.337940][ T494] ---[ end trace da9c07ea2817607d ]--- [ 47.343393][ T494] RIP: 0010:f2fs_issue_flush+0x172/0x8b0 [ 47.349014][ T494] Code: 4f 58 ff 4c 89 64 24 28 49 83 c4 24 4c 89 e7 be 04 00 00 00 e8 4f cb 92 ff 81 e3 00 04 00 00 0f 85 52 01 00 00 4c 89 64 24 08 41 ff 04 24 4c 8b 74 24 20 4d 8d ae 6c 0c 00 00 4d 89 ec 49 c1 [ 47.368697][ T494] RSP: 0018:ffffc90000fc75c0 EFLAGS: 00010246 [ 47.374767][ T494] RAX: ffff8881176fe200 RBX: 0000000000000000 RCX: 0000000000000286 [ 47.382743][ T494] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff [ 47.390714][ T494] RBP: ffffc90000fc76d0 R08: 0000000000000003 R09: 0000000000000004 [ 47.398675][ T494] R10: dffffc0000000000 R11: fffffbfff0dcf448 R12: 0000000000000024 [ 47.406640][ T494] R13: ffffc90000fc7620 R14: 0000000000000000 R15: 1ffff920001f8ec0 [ 47.414606][ T494] FS: 00007f30e51846c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.423535][ T494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.430110][ T494] CR2: 0000000000000024 CR3: 0000000117f98000 CR4: 00000000003506b0 [ 47.438091][ T494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.446085][ T494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.454055][ T494] Kernel panic - not syncing: Fatal exception [ 47.460502][ T494] Kernel Offset: disabled [ 47.464919][ T494] Rebooting in 86400 seconds..