[ 31.035925][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 31.047116][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 31.055332][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.067992][ T386] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 31.446470][ T9] device bridge_slave_1 left promiscuous mode [ 31.452571][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.460453][ T9] device bridge_slave_0 left promiscuous mode [ 31.466572][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.479533][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 41.479537][ T23] audit: type=1400 audit(1657310643.870:147): avc: denied { read } for pid=142 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. 2022/07/08 20:04:10 parsed 1 programs [ 48.278431][ T23] audit: type=1400 audit(1657310650.670:148): avc: denied { mounton } for pid=412 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 48.286529][ T412] cgroup: Unknown subsys name 'net' [ 48.307432][ T412] cgroup: Unknown subsys name 'devices' [ 48.314030][ T412] cgroup: Unknown subsys name 'hugetlb' [ 48.320030][ T412] cgroup: Unknown subsys name 'rlimit' 2022/07/08 20:04:10 executed programs: 0 [ 48.325976][ T23] audit: type=1400 audit(1657310650.720:149): avc: denied { mounton } for pid=412 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 48.350898][ T23] audit: type=1400 audit(1657310650.720:150): avc: denied { mount } for pid=412 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 48.363431][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.375587][ T23] audit: type=1400 audit(1657310650.730:151): avc: denied { mounton } for pid=416 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 48.382657][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.406866][ T23] audit: type=1400 audit(1657310650.730:152): avc: denied { module_request } for pid=416 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 48.414637][ T416] device bridge_slave_0 entered promiscuous mode [ 48.443079][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.450236][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.457933][ T416] device bridge_slave_1 entered promiscuous mode [ 48.479560][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.486742][ T416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.494561][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.501672][ T416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.514620][ T394] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.521981][ T394] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.529305][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.537087][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.545468][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.553719][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.560816][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.576564][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.584767][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.592828][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.601023][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.609201][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.616238][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.623512][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.631422][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.642785][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.651677][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.663586][ T23] audit: type=1400 audit(1657310651.060:153): avc: denied { mount } for pid=416 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 48.689188][ T23] audit: type=1400 audit(1657310651.080:154): avc: denied { mounton } for pid=421 comm="syz-executor.0" path="/root/syzkaller-testdir1418347283/syzkaller.mW1Lju/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 48.717970][ T422] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 48.727053][ T23] audit: type=1400 audit(1657310651.120:155): avc: denied { mount } for pid=421 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 48.740680][ T422] ------------[ cut here ]------------ [ 48.749457][ T23] audit: type=1400 audit(1657310651.120:156): avc: denied { write } for pid=421 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.754550][ T422] kernel BUG at fs/ext4/inode.c:2752! [ 48.778043][ T23] audit: type=1400 audit(1657310651.120:157): avc: denied { add_name } for pid=421 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.783551][ T422] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 48.810112][ T422] CPU: 1 PID: 422 Comm: syz-executor.0 Not tainted 5.10.118-syzkaller #0 [ 48.818487][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 48.828627][ T422] RIP: 0010:ext4_writepages+0x1f21/0x2a50 [ 48.834332][ T422] Code: e8 54 69 d1 ff e9 98 ee ff ff 0f 0b 8b 85 18 fd ff ff 31 db 89 85 c8 fd ff ff e9 70 fb ff ff 89 85 c8 fd ff ff e9 cd ea ff ff <0f> 0b 49 8d bc 24 a0 03 00 00 83 c8 01 be 04 00 00 00 89 43 28 e8 [ 48.854053][ T422] RSP: 0018:ffffc90000857508 EFLAGS: 00010247 [ 48.860089][ T422] RAX: 0000008410000000 RBX: ffff88810d28e000 RCX: ffffffff81ba2a3c [ 48.868119][ T422] RDX: 1ffff11023546a60 RSI: 0000000000000008 RDI: ffff88811aa35300 [ 48.876254][ T422] RBP: ffffc90000857858 R08: 0000000000000000 R09: ffff88811aa35307 [ 48.884281][ T422] R10: ffffed1023546a60 R11: 0000000000000000 R12: ffff88811aa35300 [ 48.892309][ T422] R13: 0000000000000001 R14: ffffc90000857830 R15: ffff88811aa35448 [ 48.900251][ T422] FS: 00007fa7a3896700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.909254][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.915809][ T422] CR2: 0000000020002580 CR3: 000000010d19d000 CR4: 00000000003506a0 [ 48.923775][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.931831][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.939775][ T422] Call Trace: [ 48.943041][ T422] ? __find_get_block+0x19b/0x770 [ 48.948034][ T422] ? __kasan_check_read+0x11/0x20 [ 48.953025][ T422] ? __kasan_check_read+0x11/0x20 [ 48.958031][ T422] ? __ext4_get_inode_loc+0x360/0xe80 [ 48.963367][ T422] ? ext4_mark_iloc_dirty+0x17fd/0x3250 [ 48.968878][ T422] ? free_user_ns+0x2b0/0x2b0 [ 48.973518][ T422] ? ext4_block_write_begin+0xee0/0xee0 [ 48.979028][ T422] ? __ext4_mark_inode_dirty+0x660/0x660 [ 48.984629][ T422] ? __kasan_check_read+0x11/0x20 [ 48.989974][ T422] ? mark_buffer_dirty+0x81/0x2a0 [ 48.995225][ T422] ? __ext4_handle_dirty_metadata+0x2b9/0x6d0 [ 49.001263][ T422] ? __kasan_check_read+0x11/0x20 [ 49.006275][ T422] ? balance_dirty_pages+0xa68/0x2710 [ 49.011721][ T422] ? __kasan_check_read+0x11/0x20 [ 49.016721][ T422] ? domain_dirty_limits+0x350/0x350 [ 49.022068][ T422] ? ext4_expand_extra_isize+0x540/0x540 [ 49.027679][ T422] do_writepages+0xdc/0x260 [ 49.032159][ T422] ? __kasan_check_write+0x14/0x20 [ 49.037402][ T422] ? writeback_set_ratelimit+0x130/0x130 [ 49.043008][ T422] ? __kasan_check_write+0x14/0x20 [ 49.048321][ T422] ? _raw_spin_lock+0x86/0x110 [ 49.053173][ T422] ? _raw_spin_lock_bh+0x110/0x110 [ 49.058255][ T422] ? _raw_spin_unlock+0x41/0x70 [ 49.063248][ T422] ? wbc_attach_and_unlock_inode+0x3f4/0x680 [ 49.069216][ T422] __filemap_fdatawrite_range+0x25f/0x340 [ 49.074904][ T422] ? delete_from_page_cache_batch+0x9d0/0x9d0 [ 49.080942][ T422] ? generic_perform_write+0x2f9/0x4a0 [ 49.086519][ T422] file_write_and_wait_range+0x92/0xf0 [ 49.091946][ T422] ext4_sync_file+0x187/0xac0 [ 49.096593][ T422] ? down_write+0xab/0x1e0 [ 49.100995][ T422] ? ext4_getfsmap+0x8c0/0x8c0 [ 49.105734][ T422] vfs_fsync_range+0xee/0x220 [ 49.110531][ T422] ext4_buffered_write_iter+0x2df/0x430 [ 49.116070][ T422] ext4_file_write_iter+0x358/0x1670 [ 49.121327][ T422] ? __kasan_check_write+0x14/0x20 [ 49.126407][ T422] ? ext4_buffered_write_iter+0x430/0x430 [ 49.132326][ T422] ? may_open_dev+0xd0/0xd0 [ 49.136826][ T422] ? debug_smp_processor_id+0x17/0x20 [ 49.142317][ T422] ? kmem_cache_free+0x109/0x490 [ 49.147340][ T422] new_sync_write+0x358/0x6d0 [ 49.152010][ T422] ? futex_exit_release+0x200/0x200 [ 49.157229][ T422] ? new_sync_read+0x6d0/0x6d0 [ 49.161990][ T422] ? kmem_cache_free+0x109/0x490 [ 49.166917][ T422] ? rw_verify_area+0xc3/0x2b0 [ 49.171776][ T422] ? __fget_light.part.0+0x19d/0x330 [ 49.177218][ T422] vfs_write+0x4f5/0x750 [ 49.181477][ T422] ksys_write+0x111/0x210 [ 49.185947][ T422] ? __ia32_sys_read+0xa0/0xa0 [ 49.190700][ T422] ? __kasan_check_write+0x14/0x20 [ 49.195796][ T422] ? switch_fpu_return+0xc3/0x1c0 [ 49.200936][ T422] __x64_sys_write+0x6e/0xb0 [ 49.205508][ T422] ? syscall_exit_to_user_mode+0x27/0x160 [ 49.211222][ T422] do_syscall_64+0x32/0x80 [ 49.215628][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.221770][ T422] RIP: 0033:0x7fa7a39200e9 [ 49.226286][ T422] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.246135][ T422] RSP: 002b:00007fa7a3896168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.255033][ T422] RAX: ffffffffffffffda RBX: 00007fa7a3a32f60 RCX: 00007fa7a39200e9 [ 49.263362][ T422] RDX: 0000000000000016 RSI: 0000000020002580 RDI: 0000000000000009 [ 49.271427][ T422] RBP: 00007fa7a397a08d R08: 0000000000000000 R09: 0000000000000000 [ 49.279474][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.287544][ T422] R13: 00007ffd27e8a20f R14: 00007fa7a3896300 R15: 0000000000022000 [ 49.295686][ T422] Modules linked in: [ 49.302026][ T422] ---[ end trace 5ff0c4f448252c31 ]--- [ 49.307579][ T422] RIP: 0010:ext4_writepages+0x1f21/0x2a50 [ 49.313291][ T422] Code: e8 54 69 d1 ff e9 98 ee ff ff 0f 0b 8b 85 18 fd ff ff 31 db 89 85 c8 fd ff ff e9 70 fb ff ff 89 85 c8 fd ff ff e9 cd ea ff ff <0f> 0b 49 8d bc 24 a0 03 00 00 83 c8 01 be 04 00 00 00 89 43 28 e8 [ 49.332958][ T422] RSP: 0018:ffffc90000857508 EFLAGS: 00010247 [ 49.339234][ T422] RAX: 0000008410000000 RBX: ffff88810d28e000 RCX: ffffffff81ba2a3c [ 49.347649][ T422] RDX: 1ffff11023546a60 RSI: 0000000000000008 RDI: ffff88811aa35300 [ 49.355649][ T422] RBP: ffffc90000857858 R08: 0000000000000000 R09: ffff88811aa35307 [ 49.363784][ T422] R10: ffffed1023546a60 R11: 0000000000000000 R12: ffff88811aa35300 [ 49.371881][ T422] R13: 0000000000000001 R14: ffffc90000857830 R15: ffff88811aa35448 [ 49.380055][ T422] FS: 00007fa7a3896700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.389024][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.395615][ T422] CR2: 0000000020002580 CR3: 000000010d19d000 CR4: 00000000003506a0 [ 49.403634][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.411734][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.419731][ T422] Kernel panic - not syncing: Fatal exception [ 49.425828][ T422] Kernel Offset: disabled [ 49.430127][ T422] Rebooting in 86400 seconds..