[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.921117][ T26] audit: type=1800 audit(1573411956.038:25): pid=8674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.947620][ T26] audit: type=1800 audit(1573411956.038:26): pid=8674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.981665][ T26] audit: type=1800 audit(1573411956.038:27): pid=8674 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 '10.128.0.155' (ECDSA) to the list of known hosts. 2019/11/10 18:52:47 parsed 1 programs 2019/11/10 18:52:49 executed programs: 0 syzkaller login: [ 69.456143][ T8841] IPVS: ftp: loaded support on port[0] = 21 [ 69.518235][ T8841] chnl_net:caif_netlink_parms(): no params data found [ 69.546963][ T8841] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.554584][ T8841] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.562462][ T8841] device bridge_slave_0 entered promiscuous mode [ 69.571206][ T8841] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.578376][ T8841] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.586203][ T8841] device bridge_slave_1 entered promiscuous mode [ 69.603283][ T8841] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.614581][ T8841] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.633238][ T8841] team0: Port device team_slave_0 added [ 69.640689][ T8841] team0: Port device team_slave_1 added [ 69.716508][ T8841] device hsr_slave_0 entered promiscuous mode [ 69.755083][ T8841] device hsr_slave_1 entered promiscuous mode [ 69.831737][ T8841] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.839037][ T8841] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.846998][ T8841] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.854134][ T8841] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.979402][ T8841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.011005][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.046972][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.074372][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.105357][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.149485][ T8841] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.195031][ T3510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.203584][ T3510] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.210785][ T3510] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.275310][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.294969][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.302065][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.345807][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.355356][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.384062][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.395675][ T8841] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.435192][ T8841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.454763][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.463473][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.495122][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.502617][ T8868] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.533516][ T8841] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.827831][ T8897] kasan: CONFIG_KASAN_INLINE enabled [ 70.833158][ T8897] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.841269][ T8897] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.848195][ T8897] CPU: 0 PID: 8897 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 70.855989][ T8897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.866037][ T8897] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 70.871649][ T8897] 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 [ 70.891756][ T8897] RSP: 0018:ffff888093b7fb38 EFLAGS: 00010006 [ 70.897814][ T8897] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.905771][ T8897] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.913722][ T8897] RBP: ffff888093b7fc50 R08: 0000000000000001 R09: 0000000000000001 [ 70.921691][ T8897] R10: fffffbfff138cda0 R11: ffff888099e66300 R12: 00000000000010c0 [ 70.929764][ T8897] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 70.937832][ T8897] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f03b40 [ 70.946917][ T8897] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.953478][ T8897] CR2: 00000000f7ee2db0 CR3: 00000000912f1000 CR4: 00000000001406f0 [ 70.961436][ T8897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.970868][ T8897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.978823][ T8897] Call Trace: [ 70.982120][ T8897] ? __kasan_check_read+0x11/0x20 [ 70.987146][ T8897] ? __lock_acquire+0x16f2/0x4a00 [ 70.992157][ T8897] ? rwlock_bug.part.0+0x90/0x90 [ 70.997099][ T8897] ? lock_acquire+0x190/0x410 [ 71.001777][ T8897] ? mark_held_locks+0xf0/0xf0 [ 71.006529][ T8897] lock_acquire+0x190/0x410 [ 71.011015][ T8897] ? j1939_jsk_del+0x32/0x240 [ 71.015687][ T8897] _raw_spin_lock_bh+0x33/0x50 [ 71.020441][ T8897] ? j1939_jsk_del+0x32/0x240 [ 71.025103][ T8897] j1939_jsk_del+0x32/0x240 [ 71.029587][ T8897] ? lock_sock_nested+0xe2/0x120 [ 71.034512][ T8897] j1939_sk_bind+0x2e2/0x8e0 [ 71.039101][ T8897] __sys_bind+0x239/0x290 [ 71.043482][ T8897] ? __ia32_sys_socketpair+0xf0/0xf0 [ 71.048807][ T8897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.055131][ T8897] ? put_old_timespec32+0x113/0x200 [ 71.060353][ T8897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.066601][ T8897] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 71.072118][ T8897] ? do_fast_syscall_32+0xd1/0xdb3 [ 71.077227][ T8897] ? entry_SYSENTER_compat+0x70/0x7f [ 71.082502][ T8897] ? do_fast_syscall_32+0xd1/0xdb3 [ 71.087604][ T8897] __ia32_sys_bind+0x72/0xb0 [ 71.092274][ T8897] do_fast_syscall_32+0x27b/0xdb3 [ 71.097322][ T8897] entry_SYSENTER_compat+0x70/0x7f [ 71.102419][ T8897] RIP: 0023:0xf7f28a39 [ 71.106575][ T8897] Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 71.126538][ T8897] RSP: 002b:00000000f7f030cc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 [ 71.134928][ T8897] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000240 [ 71.142895][ T8897] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.150849][ T8897] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.159347][ T8897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 71.167325][ T8897] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.175596][ T8897] Modules linked in: [ 71.179488][ T8897] ---[ end trace 2a3db236b48183c2 ]--- [ 71.185134][ T8897] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 71.190753][ T8897] 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 [ 71.210352][ T8897] RSP: 0018:ffff888093b7fb38 EFLAGS: 00010006 [ 71.216408][ T8897] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.224361][ T8897] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.232321][ T8897] RBP: ffff888093b7fc50 R08: 0000000000000001 R09: 0000000000000001 [ 71.240632][ T8897] R10: fffffbfff138cda0 R11: ffff888099e66300 R12: 00000000000010c0 [ 71.248591][ T8897] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 71.256555][ T8897] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f03b40 [ 71.265506][ T8897] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 71.272065][ T8897] CR2: 00000000f7ee2db0 CR3: 00000000912f1000 CR4: 00000000001406f0 [ 71.280016][ T8897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.287968][ T8897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.296272][ T8897] Kernel panic - not syncing: Fatal exception in interrupt [ 71.304768][ T8897] Kernel Offset: disabled [ 71.309090][ T8897] Rebooting in 86400 seconds..