[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.439070][ T26] audit: type=1800 audit(1572975728.888:25): pid=8902 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.478142][ T26] audit: type=1800 audit(1572975728.888:26): pid=8902 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.516311][ T26] audit: type=1800 audit(1572975728.898:27): pid=8902 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. 2019/11/05 17:42:45 parsed 1 programs 2019/11/05 17:42:47 executed programs: 0 syzkaller login: [ 97.102375][ T9071] IPVS: ftp: loaded support on port[0] = 21 [ 97.171667][ T9071] chnl_net:caif_netlink_parms(): no params data found [ 97.203108][ T9071] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.211084][ T9071] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.219292][ T9071] device bridge_slave_0 entered promiscuous mode [ 97.228656][ T9071] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.235797][ T9071] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.243912][ T9071] device bridge_slave_1 entered promiscuous mode [ 97.262420][ T9071] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.273250][ T9071] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.294876][ T9071] team0: Port device team_slave_0 added [ 97.302183][ T9071] team0: Port device team_slave_1 added [ 97.381697][ T9071] device hsr_slave_0 entered promiscuous mode [ 97.448917][ T9071] device hsr_slave_1 entered promiscuous mode [ 97.604950][ T9071] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.612316][ T9071] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.620689][ T9071] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.627807][ T9071] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.821683][ T9071] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.846103][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.899810][ T2957] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.921314][ T2957] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.950137][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 97.994638][ T9071] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.033374][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.049643][ T2957] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.056766][ T2957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.121038][ T9098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.131110][ T9098] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.138299][ T9098] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.201497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.221553][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.265591][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.281350][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.309388][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.329826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.351230][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.368628][ T9071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.397197][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.407254][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.420442][ T9071] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.577732][ T9116] kasan: CONFIG_KASAN_INLINE enabled [ 98.583432][ T9116] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 98.591499][ T9116] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 98.598439][ T9116] CPU: 0 PID: 9116 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 98.606283][ T9116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.616558][ T9116] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 98.622181][ T9116] 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 [ 98.642167][ T9116] RSP: 0018:ffff888098297b48 EFLAGS: 00010006 [ 98.648222][ T9116] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 98.656169][ T9116] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 98.664296][ T9116] RBP: ffff888098297c60 R08: 0000000000000001 R09: 0000000000000001 [ 98.672480][ T9116] R10: fffffbfff138cd40 R11: ffff8880a338c100 R12: 00000000000010c0 [ 98.680475][ T9116] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 98.688518][ T9116] FS: 00007f0c4b66f700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 98.697427][ T9116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.703988][ T9116] CR2: 0000000000625208 CR3: 00000000a7561000 CR4: 00000000001406f0 [ 98.711938][ T9116] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.719901][ T9116] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.727855][ T9116] Call Trace: [ 98.731155][ T9116] ? __kasan_check_read+0x11/0x20 [ 98.736160][ T9116] ? __lock_acquire+0x16f2/0x4a00 [ 98.741170][ T9116] ? rwlock_bug.part.0+0x90/0x90 [ 98.746084][ T9116] ? lock_acquire+0x190/0x410 [ 98.750756][ T9116] ? mark_held_locks+0xf0/0xf0 [ 98.755513][ T9116] lock_acquire+0x190/0x410 [ 98.759997][ T9116] ? j1939_jsk_del+0x32/0x240 [ 98.764653][ T9116] _raw_spin_lock_bh+0x33/0x50 [ 98.769392][ T9116] ? j1939_jsk_del+0x32/0x240 [ 98.774050][ T9116] j1939_jsk_del+0x32/0x240 [ 98.778810][ T9116] ? lock_sock_nested+0xe2/0x120 [ 98.783725][ T9116] j1939_sk_bind+0x2e2/0x8e0 [ 98.788295][ T9116] __sys_bind+0x239/0x290 [ 98.792611][ T9116] ? __ia32_sys_socketpair+0xf0/0xf0 [ 98.797874][ T9116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 98.804095][ T9116] ? put_timespec64+0xda/0x140 [ 98.808843][ T9116] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 98.814277][ T9116] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 98.819713][ T9116] ? do_syscall_64+0x26/0x760 [ 98.824383][ T9116] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.830542][ T9116] ? do_syscall_64+0x26/0x760 [ 98.835203][ T9116] __x64_sys_bind+0x73/0xb0 [ 98.839686][ T9116] do_syscall_64+0xfa/0x760 [ 98.844180][ T9116] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.850045][ T9116] RIP: 0033:0x45a219 [ 98.853918][ T9116] 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 [ 98.873518][ T9116] RSP: 002b:00007f0c4b66ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 98.882032][ T9116] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 98.889997][ T9116] RDX: 0000000000000018 RSI: 0000000020000040 RDI: 0000000000000003 [ 98.897947][ T9116] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 98.905899][ T9116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c4b66f6d4 [ 98.913866][ T9116] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 98.921837][ T9116] Modules linked in: [ 98.925748][ T9116] ---[ end trace bf9111000c12afad ]--- [ 98.931201][ T9116] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 98.936817][ T9116] 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 [ 98.956402][ T9116] RSP: 0018:ffff888098297b48 EFLAGS: 00010006 [ 98.962451][ T9116] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 98.970401][ T9116] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 98.978350][ T9116] RBP: ffff888098297c60 R08: 0000000000000001 R09: 0000000000000001 [ 98.986310][ T9116] R10: fffffbfff138cd40 R11: ffff8880a338c100 R12: 00000000000010c0 [ 98.994257][ T9116] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 99.002210][ T9116] FS: 00007f0c4b66f700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 99.011114][ T9116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.017687][ T9116] CR2: 0000000000625208 CR3: 00000000a7561000 CR4: 00000000001406f0 [ 99.025727][ T9116] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.033676][ T9116] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.041630][ T9116] Kernel panic - not syncing: Fatal exception in interrupt [ 99.050373][ T9116] Kernel Offset: disabled [ 99.054704][ T9116] Rebooting in 86400 seconds..