[ 33.582378][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.591452][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.598791][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 33.606639][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 33.621020][ T386] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 33.631093][ T70] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.128730][ T9] device bridge_slave_1 left promiscuous mode [ 34.134946][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.142828][ T9] device bridge_slave_0 left promiscuous mode [ 34.149172][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts. [ 52.749575][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 52.749578][ T23] audit: type=1400 audit(1645647380.369:148): avc: denied { mounton } for pid=417 comm="syz-executor051" path="/root/file0" dev="sda1" ino=1142 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 52.761428][ T417] incfs: Backing dir is not set, filesystem can't be mounted. [ 52.778669][ T23] audit: type=1400 audit(1645647380.379:149): avc: denied { mount } for pid=417 comm="syz-executor051" name="/" dev="9p" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 52.787423][ T417] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 52.808314][ T23] audit: type=1400 audit(1645647380.379:150): avc: denied { mounton } for pid=417 comm="syz-executor051" path="/root/file0" dev="9p" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 52.819907][ T417] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 52.819912][ T417] CPU: 0 PID: 417 Comm: syz-executor051 Not tainted 5.10.81-syzkaller #0 [ 52.819915][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.819924][ T417] RIP: 0010:incfs_kill_sb+0x4d/0x150 [ 52.819932][ T417] Code: 48 89 fb 80 3c 02 00 0f 85 e0 00 00 00 4c 8b a3 c8 03 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 eb 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 52.894431][ T417] RSP: 0018:ffffc9000024fbd0 EFLAGS: 00010202 [ 52.900467][ T417] RAX: dffffc0000000000 RBX: ffff88810ab47000 RCX: 0000000000000000 [ 52.908435][ T417] RDX: 0000000000000002 RSI: ffffffff84c02160 RDI: 0000000000000010 [ 52.916375][ T417] RBP: ffffc9000024fbf0 R08: 0000000000000001 R09: ffff88823fe45a00 [ 52.924332][ T417] R10: 0000000000000246 R11: ffff88811dc94000 R12: 0000000000000000 [ 52.932270][ T417] R13: ffff88810ab473c8 R14: ffffc9000024fc60 R15: fffffffffffffffe [ 52.940220][ T417] FS: 000055555689e300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 52.949240][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.955794][ T417] CR2: 0000558518514338 CR3: 0000000109a66000 CR4: 00000000003506b0 [ 52.963743][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.971702][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.979826][ T417] Call Trace: [ 52.983096][ T417] deactivate_locked_super+0x8b/0x130 [ 52.988431][ T417] incfs_mount_fs+0x63d/0x7c0 [ 52.993072][ T417] ? incfs_unlink+0x80/0x80 [ 52.997568][ T417] ? incfs_unlink+0x80/0x80 [ 53.002049][ T417] legacy_get_tree+0xf5/0x1d0 [ 53.006686][ T417] vfs_get_tree+0x7f/0x2b0 [ 53.011074][ T417] path_mount+0x49a/0x1df0 [ 53.015451][ T417] ? finish_automount+0x810/0x810 [ 53.020438][ T417] ? getname_flags.part.0+0x8c/0x480 [ 53.025817][ T417] ? user_path_at_empty+0xa2/0xf0 [ 53.030809][ T417] __x64_sys_mount+0x20e/0x280 [ 53.035632][ T417] ? copy_mnt_ns+0xc10/0xc10 [ 53.040191][ T417] ? switch_fpu_return+0xc3/0x1c0 [ 53.045200][ T417] ? exit_to_user_mode_prepare+0x6a/0xe0 [ 53.050807][ T417] do_syscall_64+0x32/0x80 [ 53.055190][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.061049][ T417] RIP: 0033:0x7f100b52dfe9 [ 53.065426][ T417] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 53.085275][ T417] RSP: 002b:00007ffe32008448 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.093658][ T417] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f100b52dfe9 [ 53.101595][ T417] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000000000000 [ 53.109537][ T417] RBP: 00007f100b4f1f00 R08: 0000000000000000 R09: 0000000000000000 [ 53.117477][ T417] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f100b4f1f90 [ 53.125416][ T417] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.133544][ T417] Modules linked in: [ 53.137602][ T417] ---[ end trace f4743d8c29748e9d ]--- [ 53.143231][ T417] RIP: 0010:incfs_kill_sb+0x4d/0x150 [ 53.153558][ T417] Code: 48 89 fb 80 3c 02 00 0f 85 e0 00 00 00 4c 8b a3 c8 03 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 eb 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 53.173372][ T417] RSP: 0018:ffffc9000024fbd0 EFLAGS: 00010202 [ 53.179530][ T417] RAX: dffffc0000000000 RBX: ffff88810ab47000 RCX: 0000000000000000 [ 53.187501][ T417] RDX: 0000000000000002 RSI: ffffffff84c02160 RDI: 0000000000000010 [ 53.195484][ T417] RBP: ffffc9000024fbf0 R08: 0000000000000001 R09: ffff88823fe45a00 [ 53.203627][ T417] R10: 0000000000000246 R11: ffff88811dc94000 R12: 0000000000000000 [ 53.211585][ T417] R13: ffff88810ab473c8 R14: ffffc9000024fc60 R15: fffffffffffffffe [ 53.220313][ T417] FS: 000055555689e300(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 53.229285][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.235865][ T417] CR2: 0000558518514338 CR3: 0000000109a66000 CR4: 00000000003506b0 [ 53.243835][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.251813][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.260102][ T417] Kernel panic - not syncing: Fatal exception [ 53.266383][ T417] Kernel Offset: disabled [ 53.270787][ T417] Rebooting in 86400 seconds..