[ 46.689830][ T27] audit: type=1800 audit(1566263908.943:21): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 46.716832][ T27] audit: type=1800 audit(1566263908.953:22): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [ 46.744536][ T27] audit: type=1800 audit(1566263908.953:23): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.40' (ECDSA) to the list of known hosts. 2019/08/20 01:34:03 parsed 1 programs 2019/08/20 01:34:04 executed programs: 0 syzkaller login: [ 982.616663][ T9102] IPVS: ftp: loaded support on port[0] = 21 [ 982.656921][ T9102] chnl_net:caif_netlink_parms(): no params data found [ 982.676334][ T9102] bridge0: port 1(bridge_slave_0) entered blocking state [ 982.683638][ T9102] bridge0: port 1(bridge_slave_0) entered disabled state [ 982.691133][ T9102] device bridge_slave_0 entered promiscuous mode [ 982.698119][ T9102] bridge0: port 2(bridge_slave_1) entered blocking state [ 982.705272][ T9102] bridge0: port 2(bridge_slave_1) entered disabled state [ 982.712737][ T9102] device bridge_slave_1 entered promiscuous mode [ 982.725127][ T9102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 982.735332][ T9102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 982.749322][ T9102] team0: Port device team_slave_0 added [ 982.755920][ T9102] team0: Port device team_slave_1 added [ 982.821276][ T9102] device hsr_slave_0 entered promiscuous mode [ 982.870369][ T9102] device hsr_slave_1 entered promiscuous mode [ 982.924490][ T9102] bridge0: port 2(bridge_slave_1) entered blocking state [ 982.931558][ T9102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 982.938791][ T9102] bridge0: port 1(bridge_slave_0) entered blocking state [ 982.945842][ T9102] bridge0: port 1(bridge_slave_0) entered forwarding state [ 982.967619][ T9102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 982.977079][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 982.996808][ T9104] bridge0: port 1(bridge_slave_0) entered disabled state [ 983.004242][ T9104] bridge0: port 2(bridge_slave_1) entered disabled state [ 983.012241][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 983.021712][ T9102] 8021q: adding VLAN 0 to HW filter on device team0 [ 983.030780][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 983.038955][ T2959] bridge0: port 1(bridge_slave_0) entered blocking state [ 983.046004][ T2959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 983.060527][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 983.068803][ T9104] bridge0: port 2(bridge_slave_1) entered blocking state [ 983.075864][ T9104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 983.083717][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 983.091954][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 983.100423][ T9104] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 983.109301][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 983.119792][ T9105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 983.128537][ T9102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 983.141541][ T9102] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/08/20 01:34:09 executed programs: 392 2019/08/20 01:34:14 executed programs: 864 [ 993.255125][T12509] ------------[ cut here ]------------ [ 993.260989][T12509] WARNING: CPU: 1 PID: 12509 at ./include/net/sock.h:666 smc_unhash_sk+0x21b/0x240 [ 993.270236][T12509] Kernel panic - not syncing: panic_on_warn set ... [ 993.276788][T12509] CPU: 1 PID: 12509 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #83 [ 993.284725][T12509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 993.294890][T12509] Call Trace: [ 993.298187][T12509] dump_stack+0x1d8/0x2f8 [ 993.302503][T12509] panic+0x25c/0x799 [ 993.306363][T12509] ? __warn+0x126/0x230 [ 993.310488][T12509] __warn+0x22f/0x230 [ 993.314440][T12509] ? smc_unhash_sk+0x21b/0x240 [ 993.319170][T12509] report_bug+0x190/0x290 [ 993.323461][T12509] ? smc_unhash_sk+0x21b/0x240 [ 993.328248][T12509] do_error_trap+0xd7/0x440 [ 993.332728][T12509] do_invalid_op+0x36/0x40 [ 993.337114][T12509] ? smc_unhash_sk+0x21b/0x240 [ 993.341851][T12509] invalid_op+0x23/0x30 [ 993.346086][T12509] RIP: 0010:smc_unhash_sk+0x21b/0x240 [ 993.351423][T12509] Code: 48 89 df e8 07 b2 39 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e3 f1 31 fa 48 c7 c7 fa c7 3a 88 31 c0 e8 b8 3c 1b fa <0f> 0b eb 85 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff 4c [ 993.370992][T12509] RSP: 0018:ffff888088ea7a10 EFLAGS: 00010246 [ 993.377024][T12509] RAX: 0000000000000024 RBX: 0000000000000001 RCX: 28202269972ef900 [ 993.384960][T12509] RDX: 0000000000000000 RSI: 0000000080000201 RDI: 0000000000000000 [ 993.392898][T12509] RBP: ffff888088ea7a58 R08: ffffffff815cf764 R09: ffffed1015d66088 [ 993.400837][T12509] R10: ffffed1015d66088 R11: 0000000000000000 R12: ffff88809c597380 [ 993.408884][T12509] R13: dffffc0000000000 R14: ffff88809c597400 R15: ffff88809c5973a8 [ 993.416879][T12509] ? vprintk_emit+0x2d4/0x3a0 [ 993.421535][T12509] __smc_release+0x1f8/0x3a0 [ 993.426088][T12509] smc_release+0x15b/0x2c0 [ 993.430497][T12509] sock_close+0xe1/0x260 [ 993.434704][T12509] ? sock_mmap+0xa0/0xa0 [ 993.438931][T12509] __fput+0x2e4/0x740 [ 993.442898][T12509] ____fput+0x15/0x20 [ 993.446877][T12509] task_work_run+0x17e/0x1b0 [ 993.451449][T12509] get_signal+0x1ca8/0x1d60 [ 993.455932][T12509] ? __kasan_check_read+0x11/0x20 [ 993.460921][T12509] ? preempt_schedule+0xf9/0x120 [ 993.465832][T12509] ? release_sock+0x179/0x1d0 [ 993.470484][T12509] ? ___preempt_schedule+0x16/0x20 [ 993.475589][T12509] ? check_preemption_disabled+0x47/0x2a0 [ 993.481306][T12509] ? kick_process+0xce/0x130 [ 993.485865][T12509] do_signal+0x37/0x640 [ 993.489990][T12509] ? fput_many+0x15a/0x1a0 [ 993.494389][T12509] ? prepare_exit_to_usermode+0x258/0x580 [ 993.500090][T12509] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 993.505691][T12509] prepare_exit_to_usermode+0x303/0x580 [ 993.511224][T12509] syscall_return_slowpath+0x113/0x4a0 [ 993.516658][T12509] do_syscall_64+0x126/0x140 [ 993.521216][T12509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 993.527075][T12509] RIP: 0033:0x459829 [ 993.530936][T12509] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 993.550506][T12509] RSP: 002b:00007f8479c3dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 993.558879][T12509] RAX: ffffffffffffff8d RBX: 0000000000000003 RCX: 0000000000459829 [ 993.566815][T12509] RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003 [ 993.574750][T12509] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 993.582687][T12509] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8479c3e6d4 [ 993.590625][T12509] R13: 00000000004bfd64 R14: 00000000004d1b60 R15: 00000000ffffffff [ 993.599744][T12509] Kernel Offset: disabled [ 993.604056][T12509] Rebooting in 86400 seconds..