[ 21.395048][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 21.415306][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.423793][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.433010][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 21.442397][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.584002][ T357] syz-executor.0 (357) used greatest stack depth: 18808 bytes left [ 21.996384][ T9] device bridge_slave_1 left promiscuous mode [ 22.002426][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.009972][ T9] device bridge_slave_0 left promiscuous mode [ 22.016230][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. 2023/07/07 05:22:01 ignoring optional flag "sandboxArg"="0" 2023/07/07 05:22:01 parsed 1 programs 2023/07/07 05:22:01 executed programs: 0 [ 39.702936][ T23] kauditd_printk_skb: 67 callbacks suppressed [ 39.702942][ T23] audit: type=1400 audit(1688707321.919:143): avc: denied { mounton } for pid=401 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 [ 39.735931][ T23] audit: type=1400 audit(1688707321.959:144): avc: denied { mount } for pid=401 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 [ 39.766697][ T23] audit: type=1400 audit(1688707321.999:145): avc: denied { mounton } for pid=405 comm="syz-executor.0" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 39.774985][ T405] cgroup1: Unknown subsys name 'perf_event' [ 39.790109][ T23] audit: type=1400 audit(1688707321.999:146): avc: denied { mounton } for pid=405 comm="syz-executor.0" path="/syzcgroup/cpu" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 39.796400][ T405] cgroup1: Unknown subsys name 'net_cls' [ 39.859770][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.867127][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.874552][ T405] device bridge_slave_0 entered promiscuous mode [ 39.881399][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.888492][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.895894][ T405] device bridge_slave_1 entered promiscuous mode [ 39.934025][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.941426][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.948841][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.955594][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.975586][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.982845][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.990610][ T363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.998455][ T363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.014984][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.023225][ T107] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.030336][ T107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.037639][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.045975][ T107] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.052789][ T107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.060047][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.067924][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.080727][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.094411][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.105219][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.120387][ T363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.129324][ T363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.368796][ T407] kasan: CONFIG_KASAN_INLINE enabled [ 40.375771][ T407] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.384378][ T407] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.391126][ T407] CPU: 1 PID: 407 Comm: udevd Not tainted 5.4.242-syzkaller-00085-g6d5c2c1877e5 #0 [ 40.400321][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 40.410317][ T407] RIP: 0010:bdev_read_page+0x37/0x190 [ 40.415514][ T407] Code: 10 49 89 d5 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 28 52 ba ff 49 8d 9c 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 ca 0b ea ff bd d0 04 00 00 48 03 [ 40.435227][ T407] RSP: 0018:ffff8881ef0773b8 EFLAGS: 00010202 [ 40.441217][ T407] RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f5feee40 [ 40.449023][ T407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.457483][ T407] RBP: ffff8881ef0775d0 R08: ffffffff81ab0dc6 R09: fffff94000ee9fe1 [ 40.465908][ T407] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 40.474265][ T407] R13: ffffea000774ff00 R14: 0000000000000014 R15: dffffc0000000000 [ 40.482260][ T407] FS: 00007ff2b4682c80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 40.490982][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.497585][ T407] CR2: 0000000000512930 CR3: 00000001e0329000 CR4: 00000000003406a0 [ 40.505564][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.513462][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.521265][ T407] Call Trace: [ 40.524497][ T407] do_mpage_readpage+0x1458/0x1b20 [ 40.529501][ T407] ? mpage_readpages+0x500/0x500 [ 40.534550][ T407] ? add_to_page_cache_lru+0x221/0x2c0 [ 40.540027][ T407] ? get_reg+0x220/0x220 [ 40.544315][ T407] mpage_readpages+0x36e/0x500 [ 40.549006][ T407] ? __bpf_trace_android_fs_data_end_template+0x30/0x30 [ 40.555773][ T407] ? blkdev_direct_IO+0x1e00/0x1e00 [ 40.560796][ T407] ? unwind_next_frame+0x181e/0x1ea0 [ 40.565923][ T407] ? blkdev_writepages+0x20/0x20 [ 40.570696][ T407] read_pages+0x119/0x400 [ 40.574864][ T407] ? __do_page_cache_readahead+0x4f0/0x4f0 [ 40.580509][ T407] __do_page_cache_readahead+0x448/0x4f0 [ 40.586323][ T407] ? read_cache_pages_invalidate_pages+0x1b0/0x1b0 [ 40.592918][ T407] page_cache_sync_readahead+0x3f0/0x460 [ 40.598382][ T407] generic_file_read_iter+0x673/0x21f0 [ 40.603776][ T407] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 40.609836][ T407] ? find_get_pages_range_tag+0xae0/0xae0 [ 40.615396][ T407] ? __kasan_slab_free+0x233/0x270 [ 40.620338][ T407] ? __kasan_slab_free+0x1b5/0x270 [ 40.625417][ T407] ? kmem_cache_free+0x10b/0x2c0 [ 40.630196][ T407] ? __fput+0x47a/0x680 [ 40.634348][ T407] ? task_work_run+0x140/0x170 [ 40.639316][ T407] ? exit_to_usermode_loop+0x190/0x1a0 [ 40.644679][ T407] ? prepare_exit_to_usermode+0x199/0x200 [ 40.650249][ T407] blkdev_read_iter+0x12a/0x180 [ 40.654937][ T407] __vfs_read+0x5cd/0x730 [ 40.659108][ T407] ? rw_verify_area+0x360/0x360 [ 40.663888][ T407] ? __fsnotify_update_child_dentry_flags+0x290/0x290 [ 40.670474][ T407] ? security_file_permission+0x1dc/0x2f0 [ 40.676022][ T407] vfs_read+0x148/0x360 [ 40.680139][ T407] ksys_read+0x199/0x2c0 [ 40.684285][ T407] ? debug_smp_processor_id+0x20/0x20 [ 40.689487][ T407] ? vfs_write+0x4e0/0x4e0 [ 40.693747][ T407] ? block_llseek+0xa2/0xb0 [ 40.698637][ T407] do_syscall_64+0xca/0x1c0 [ 40.702987][ T407] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 40.708917][ T407] Modules linked in: [ 40.714336][ T407] ---[ end trace 09d2be694a482f93 ]--- [ 40.723211][ T407] RIP: 0010:bdev_read_page+0x37/0x190 [ 40.728639][ T407] Code: 10 49 89 d5 48 89 74 24 08 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 28 52 ba ff 49 8d 9c 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 ca 0b ea ff bd d0 04 00 00 48 03 [ 40.749399][ T407] RSP: 0018:ffff8881ef0773b8 EFLAGS: 00010202 [ 40.761021][ T407] RAX: 0000000000000010 RBX: 0000000000000080 RCX: ffff8881f5feee40 [ 40.769630][ T407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.777582][ T407] RBP: ffff8881ef0775d0 R08: ffffffff81ab0dc6 R09: fffff94000ee9fe1 [ 40.785707][ T407] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 40.793654][ T407] R13: ffffea000774ff00 R14: 0000000000000014 R15: dffffc0000000000 [ 40.801692][ T407] FS: 00007ff2b4682c80(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 40.810854][ T407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.817491][ T407] CR2: 0000000000520cb0 CR3: 00000001e0329000 CR4: 00000000003406a0 [ 40.825406][ T407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.833140][ T407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.841131][ T407] Kernel panic - not syncing: Fatal exception [ 40.847099][ T407] Kernel Offset: disabled [ 40.851220][ T407] Rebooting in 86400 seconds..