[ 74.926308][ T26] audit: type=1400 audit(1573424982.827:41): avc: denied { map } for pid=9399 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. syzkaller login: [ 81.683674][ T26] audit: type=1400 audit(1573424989.587:42): avc: denied { map } for pid=9411 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/11/10 22:29:49 parsed 1 programs [ 81.771379][ T26] audit: type=1400 audit(1573424989.677:43): avc: denied { map } for pid=9411 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16542 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/11/10 22:29:50 executed programs: 0 [ 83.115795][ T9427] IPVS: ftp: loaded support on port[0] = 21 [ 83.184579][ T9427] chnl_net:caif_netlink_parms(): no params data found [ 83.215832][ T9427] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.223679][ T9427] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.232194][ T9427] device bridge_slave_0 entered promiscuous mode [ 83.241070][ T9427] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.248176][ T9427] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.256427][ T9427] device bridge_slave_1 entered promiscuous mode [ 83.275234][ T9427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.286237][ T9427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.308242][ T9427] team0: Port device team_slave_0 added [ 83.315872][ T9427] team0: Port device team_slave_1 added [ 83.392436][ T9427] device hsr_slave_0 entered promiscuous mode [ 83.459954][ T9427] device hsr_slave_1 entered promiscuous mode [ 83.613643][ T9427] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.620966][ T9427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.629095][ T9427] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.636305][ T9427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.766291][ T9427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.811303][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.851989][ T3509] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.901324][ T3509] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.931044][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.956825][ T9427] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.020956][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.041491][ T2953] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.048769][ T2953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.091383][ T9454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.110981][ T9454] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.118112][ T9454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.171868][ T9455] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.190912][ T9455] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.229987][ T9455] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.241255][ T9455] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.265541][ T9427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.310494][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.330249][ T9452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.339341][ T9452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.385809][ T9427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.393474][ T9452] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.403910][ T9452] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.453920][ T26] audit: type=1400 audit(1573424992.357:44): avc: denied { associate } for pid=9427 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 84.696530][ T9492] kasan: CONFIG_KASAN_INLINE enabled [ 84.701854][ T9492] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 84.709918][ T9492] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 84.716947][ T9492] CPU: 0 PID: 9492 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 84.724824][ T9492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.735411][ T9492] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 84.741044][ T9492] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 84.760628][ T9492] RSP: 0018:ffff8880986a7b48 EFLAGS: 00010006 [ 84.766672][ T9492] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.774623][ T9492] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 84.782573][ T9492] RBP: ffff8880986a7c60 R08: 0000000000000001 R09: 0000000000000001 [ 84.790530][ T9492] R10: fffffbfff138cda0 R11: ffff88809435a500 R12: 00000000000010c0 [ 84.798938][ T9492] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 84.807330][ T9492] FS: 00007f2b7f797700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.816249][ T9492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.822838][ T9492] CR2: 00007f2b810eb518 CR3: 00000000a1ef7000 CR4: 00000000001406f0 [ 84.830888][ T9492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.839191][ T9492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.847143][ T9492] Call Trace: [ 84.850440][ T9492] ? __kasan_check_read+0x11/0x20 [ 84.855451][ T9492] ? __lock_acquire+0x16f2/0x4a00 [ 84.860452][ T9492] ? rwlock_bug.part.0+0x90/0x90 [ 84.865368][ T9492] ? lock_acquire+0x190/0x410 [ 84.870024][ T9492] ? mark_held_locks+0xf0/0xf0 [ 84.874768][ T9492] lock_acquire+0x190/0x410 [ 84.879251][ T9492] ? j1939_jsk_del+0x32/0x240 [ 84.883909][ T9492] _raw_spin_lock_bh+0x33/0x50 [ 84.888651][ T9492] ? j1939_jsk_del+0x32/0x240 [ 84.893321][ T9492] j1939_jsk_del+0x32/0x240 [ 84.897800][ T9492] ? lock_sock_nested+0xe2/0x120 [ 84.902731][ T9492] j1939_sk_bind+0x2e2/0x8e0 [ 84.907302][ T9492] __sys_bind+0x239/0x290 [ 84.911627][ T9492] ? __ia32_sys_socketpair+0xf0/0xf0 [ 84.916903][ T9492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.923213][ T9492] ? put_timespec64+0xda/0x140 [ 84.927963][ T9492] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 84.933399][ T9492] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 84.938837][ T9492] ? do_syscall_64+0x26/0x760 [ 84.943493][ T9492] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.949537][ T9492] ? do_syscall_64+0x26/0x760 [ 84.954377][ T9492] __x64_sys_bind+0x73/0xb0 [ 84.958863][ T9492] do_syscall_64+0xfa/0x760 [ 84.964127][ T9492] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.970010][ T9492] RIP: 0033:0x45a219 [ 84.973884][ T9492] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.993472][ T9492] RSP: 002b:00007f2b7f796c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 85.001860][ T9492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 85.009895][ T9492] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 85.017844][ T9492] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 85.025789][ T9492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b7f7976d4 [ 85.033839][ T9492] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 85.041824][ T9492] Modules linked in: [ 85.045705][ T9492] ---[ end trace 22a1ab8457baa5b0 ]--- [ 85.051147][ T9492] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 85.056774][ T9492] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 85.076368][ T9492] RSP: 0018:ffff8880986a7b48 EFLAGS: 00010006 [ 85.082420][ T9492] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 85.090368][ T9492] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 85.098315][ T9492] RBP: ffff8880986a7c60 R08: 0000000000000001 R09: 0000000000000001 [ 85.106264][ T9492] R10: fffffbfff138cda0 R11: ffff88809435a500 R12: 00000000000010c0 [ 85.114212][ T9492] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 85.122176][ T9492] FS: 00007f2b7f797700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.131091][ T9492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.137651][ T9492] CR2: 00007f2b810eb518 CR3: 00000000a1ef7000 CR4: 00000000001406f0 [ 85.145605][ T9492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.153550][ T9492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.161520][ T9492] Kernel panic - not syncing: Fatal exception in interrupt [ 85.170295][ T9492] Kernel Offset: disabled [ 85.174614][ T9492] Rebooting in 86400 seconds..