[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.074031][ T27] audit: type=1800 audit(1576535403.570:25): pid=8973 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.101424][ T27] audit: type=1800 audit(1576535403.570:26): pid=8973 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 64.141465][ T27] audit: type=1800 audit(1576535403.570:27): pid=8973 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 '10.128.0.143' (ECDSA) to the list of known hosts. syzkaller login: [ 78.087117][ T9124] IPVS: ftp: loaded support on port[0] = 21 [ 78.145002][ T9124] chnl_net:caif_netlink_parms(): no params data found [ 78.173865][ T9124] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.181497][ T9124] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.189288][ T9124] device bridge_slave_0 entered promiscuous mode [ 78.198146][ T9124] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.205377][ T9124] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.213528][ T9124] device bridge_slave_1 entered promiscuous mode [ 78.229944][ T9124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.241138][ T9124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.263276][ T9124] team0: Port device team_slave_0 added [ 78.270522][ T9124] team0: Port device team_slave_1 added [ 78.334179][ T9124] device hsr_slave_0 entered promiscuous mode [ 78.372417][ T9124] device hsr_slave_1 entered promiscuous mode [ 78.433422][ T9124] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.474228][ T9124] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.513898][ T9124] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.583712][ T9124] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.641749][ T9124] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.648875][ T9124] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.656806][ T9124] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.663925][ T9124] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.699306][ T9124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.714864][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.725224][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.733761][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.743272][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.759416][ T9124] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.780083][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.788913][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.796022][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.812639][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.822193][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.829249][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.847883][ T9124] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.858514][ T9124] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.871500][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.880815][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.889582][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.898277][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.906810][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.914618][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.930141][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.938056][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready executing program [ 78.950693][ T9124] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.964700][ T9124] ------------[ cut here ]------------ [ 78.970256][ T9124] hsr_addr_subst_dest: Unknown node [ 78.975993][ T9124] WARNING: CPU: 0 PID: 9124 at net/hsr/hsr_framereg.c:303 hsr_addr_subst_dest+0x382/0x460 [ 78.985874][ T9124] Kernel panic - not syncing: panic_on_warn set ... [ 78.992499][ T9124] CPU: 0 PID: 9124 Comm: syz-executor016 Not tainted 5.5.0-rc1-syzkaller #0 [ 79.001172][ T9124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.011218][ T9124] Call Trace: [ 79.014504][ T9124] dump_stack+0x197/0x210 [ 79.018825][ T9124] ? hsr_addr_subst_dest+0x300/0x460 [ 79.024094][ T9124] panic+0x2e3/0x75c [ 79.027967][ T9124] ? add_taint.cold+0x16/0x16 [ 79.032709][ T9124] ? __kasan_check_write+0x14/0x20 [ 79.037855][ T9124] ? __warn.cold+0x14/0x3e [ 79.042261][ T9124] ? __warn+0xd9/0x1cf [ 79.046328][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.051595][ T9124] __warn.cold+0x2f/0x3e [ 79.055821][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.061088][ T9124] report_bug+0x289/0x300 [ 79.065429][ T9124] do_error_trap+0x11b/0x200 [ 79.070040][ T9124] do_invalid_op+0x37/0x50 [ 79.074440][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.079709][ T9124] invalid_op+0x23/0x30 [ 79.083861][ T9124] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 79.089761][ T9124] Code: 89 de e8 91 08 b8 f9 84 db 75 d3 e8 48 07 b8 f9 48 c7 c6 a0 54 f5 88 48 c7 c7 60 54 f5 88 c6 05 34 f0 b7 02 01 e8 dd b0 88 f9 <0f> 0b eb b0 e8 25 07 b8 f9 0f b6 1d 20 f0 b7 02 31 ff 89 de e8 55 [ 79.109351][ T9124] RSP: 0018:ffffc90001f97540 EFLAGS: 00010282 [ 79.115403][ T9124] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.123358][ T9124] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff520003f2e9a [ 79.131314][ T9124] RBP: ffffc90001f97580 R08: ffff8880968c0000 R09: fffffbfff1659dbc [ 79.139280][ T9124] R10: fffffbfff1659dbb R11: ffffffff8b2ceddf R12: ffff8880a7e96ba0 [ 79.147252][ T9124] R13: 0000000000000000 R14: 000000005a627f6b R15: 0000000000000000 [ 79.155226][ T9124] ? vprintk_func+0x86/0x189 [ 79.159803][ T9124] hsr_forward_skb+0x138b/0x1d30 [ 79.164788][ T9124] hsr_dev_xmit+0x7d/0xe0 [ 79.169106][ T9124] dev_hard_start_xmit+0x1a3/0x9b0 [ 79.174206][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.180425][ T9124] __dev_queue_xmit+0x2b05/0x35c0 [ 79.185443][ T9124] ? find_held_lock+0x35/0x130 [ 79.190189][ T9124] ? __might_fault+0x12b/0x1e0 [ 79.194948][ T9124] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 79.200228][ T9124] ? lock_downgrade+0x920/0x920 [ 79.205075][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.211323][ T9124] ? iov_iter_advance+0x29a/0xe20 [ 79.216347][ T9124] dev_queue_xmit+0x18/0x20 [ 79.220846][ T9124] ? dev_queue_xmit+0x18/0x20 [ 79.225513][ T9124] pppoe_sendmsg+0x65e/0x7f0 [ 79.230114][ T9124] ? __delete_item+0x370/0x370 [ 79.234878][ T9124] ? apparmor_socket_sendmsg+0x2a/0x30 [ 79.240316][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.246537][ T9124] ? security_socket_sendmsg+0x8d/0xc0 [ 79.252000][ T9124] ? __delete_item+0x370/0x370 [ 79.256746][ T9124] sock_sendmsg+0xd7/0x130 [ 79.261144][ T9124] ____sys_sendmsg+0x358/0x880 [ 79.265889][ T9124] ? kernel_sendmsg+0x50/0x50 [ 79.270546][ T9124] ? __lock_acquire+0x16f2/0x4a00 [ 79.275564][ T9124] ___sys_sendmsg+0x100/0x170 [ 79.280217][ T9124] ? mark_held_locks+0xf0/0xf0 [ 79.284970][ T9124] ? sendmsg_copy_msghdr+0x70/0x70 [ 79.290061][ T9124] ? __lock_acquire+0x29c9/0x4a00 [ 79.295070][ T9124] ? release_sock+0x20/0x1c0 [ 79.299639][ T9124] ? reacquire_held_locks+0x208/0x510 [ 79.304992][ T9124] ? release_sock+0x156/0x1c0 [ 79.309652][ T9124] ? find_held_lock+0x35/0x130 [ 79.314409][ T9124] ? release_sock+0x156/0x1c0 [ 79.319083][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 79.324439][ T9124] ? _raw_spin_unlock_bh+0x2c/0x30 [ 79.329529][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 79.334890][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.341120][ T9124] ? __fget_light+0x1a9/0x230 [ 79.345778][ T9124] ? __fdget+0x1b/0x20 [ 79.349824][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.356052][ T9124] ? sockfd_lookup_light+0xcb/0x180 [ 79.361257][ T9124] __sys_sendmmsg+0x1bf/0x4d0 [ 79.365926][ T9124] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 79.370994][ T9124] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 79.376803][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.383048][ T9124] ? __sys_connect+0x11d/0x1b0 [ 79.387807][ T9124] ? __sys_connect_file+0x1c0/0x1c0 [ 79.393143][ T9124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 79.399455][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.404896][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.410371][ T9124] ? do_syscall_64+0x26/0x790 [ 79.415032][ T9124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.421087][ T9124] ? do_syscall_64+0x26/0x790 [ 79.425753][ T9124] __x64_sys_sendmmsg+0x9d/0x100 [ 79.430674][ T9124] do_syscall_64+0xfa/0x790 [ 79.435175][ T9124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.441218][ T9124] RIP: 0033:0x441fa9 [ 79.445099][ T9124] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.464695][ T9124] RSP: 002b:00007ffee87f6f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 79.473148][ T9124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 79.481110][ T9124] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 79.489066][ T9124] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 79.497027][ T9124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.504978][ T9124] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 79.513029][ T9124] ------------[ cut here ]------------ [ 79.518477][ T9124] WARNING: CPU: 0 PID: 9124 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 [ 79.527907][ T9124] Modules linked in: [ 79.531804][ T9124] CPU: 0 PID: 9124 Comm: syz-executor016 Not tainted 5.5.0-rc1-syzkaller #0 [ 79.540448][ T9124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.550498][ T9124] RIP: 0010:mutex_trylock+0x279/0x2f0 [ 79.555887][ T9124] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 8c 38 93 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 20 c5 63 8b 48 89 4d d0 e8 30 f3 ea [ 79.575490][ T9124] RSP: 0018:ffffc90001f97108 EFLAGS: 00010006 [ 79.581544][ T9124] RAX: 0000000080000201 RBX: 1ffff920003f2e29 RCX: 0000000000000004 [ 79.589507][ T9124] RDX: 0000000000000000 RSI: ffffffff816c1c45 RDI: ffffffff899c3c60 [ 79.597463][ T9124] RBP: ffffc90001f97138 R08: 0000000000000001 R09: fffffbfff1333ae5 [ 79.605423][ T9124] R10: fffffbfff1333ae4 R11: ffffffff8999d723 R12: ffffffff8b63c520 [ 79.613379][ T9124] R13: 0000000000000000 R14: ffffffff87bd2400 R15: ffffffff899c3c60 [ 79.621342][ T9124] FS: 0000000002621880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 79.630264][ T9124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.636830][ T9124] CR2: 0000000020000000 CR3: 00000000a2be3000 CR4: 00000000001406f0 [ 79.644785][ T9124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.652741][ T9124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.660695][ T9124] Call Trace: [ 79.663980][ T9124] ? hsr_addr_subst_dest+0x300/0x460 [ 79.669251][ T9124] __crash_kexec+0x91/0x200 [ 79.673736][ T9124] ? kexec_crash_loaded+0x20/0x20 [ 79.678811][ T9124] ? trace_hardirqs_off+0x62/0x240 [ 79.683934][ T9124] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 79.689745][ T9124] ? __printk_safe_flush+0x31e/0x3a0 [ 79.695038][ T9124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 79.700800][ T9124] ? find_next_bit+0x107/0x130 [ 79.705555][ T9124] ? cpumask_next+0x41/0x50 [ 79.710046][ T9124] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 79.715749][ T9124] ? printk_safe_flush+0xf2/0x140 [ 79.720758][ T9124] ? hsr_addr_subst_dest+0x300/0x460 [ 79.726035][ T9124] panic+0x308/0x75c [ 79.729920][ T9124] ? add_taint.cold+0x16/0x16 [ 79.734604][ T9124] ? __kasan_check_write+0x14/0x20 [ 79.739695][ T9124] ? __warn.cold+0x14/0x3e [ 79.744120][ T9124] ? __warn+0xd9/0x1cf [ 79.748206][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.753591][ T9124] __warn.cold+0x2f/0x3e [ 79.757815][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.763116][ T9124] report_bug+0x289/0x300 [ 79.767467][ T9124] do_error_trap+0x11b/0x200 [ 79.772059][ T9124] do_invalid_op+0x37/0x50 [ 79.776469][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 79.781741][ T9124] invalid_op+0x23/0x30 [ 79.785886][ T9124] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 79.791756][ T9124] Code: 89 de e8 91 08 b8 f9 84 db 75 d3 e8 48 07 b8 f9 48 c7 c6 a0 54 f5 88 48 c7 c7 60 54 f5 88 c6 05 34 f0 b7 02 01 e8 dd b0 88 f9 <0f> 0b eb b0 e8 25 07 b8 f9 0f b6 1d 20 f0 b7 02 31 ff 89 de e8 55 [ 79.811344][ T9124] RSP: 0018:ffffc90001f97540 EFLAGS: 00010282 [ 79.817407][ T9124] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.826757][ T9124] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff520003f2e9a [ 79.834710][ T9124] RBP: ffffc90001f97580 R08: ffff8880968c0000 R09: fffffbfff1659dbc [ 79.842673][ T9124] R10: fffffbfff1659dbb R11: ffffffff8b2ceddf R12: ffff8880a7e96ba0 [ 79.850640][ T9124] R13: 0000000000000000 R14: 000000005a627f6b R15: 0000000000000000 [ 79.858629][ T9124] ? vprintk_func+0x86/0x189 [ 79.863211][ T9124] hsr_forward_skb+0x138b/0x1d30 [ 79.868147][ T9124] hsr_dev_xmit+0x7d/0xe0 [ 79.872457][ T9124] dev_hard_start_xmit+0x1a3/0x9b0 [ 79.877553][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.883777][ T9124] __dev_queue_xmit+0x2b05/0x35c0 [ 79.888780][ T9124] ? find_held_lock+0x35/0x130 [ 79.893523][ T9124] ? __might_fault+0x12b/0x1e0 [ 79.898269][ T9124] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 79.903530][ T9124] ? lock_downgrade+0x920/0x920 [ 79.908362][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.914602][ T9124] ? iov_iter_advance+0x29a/0xe20 [ 79.919627][ T9124] dev_queue_xmit+0x18/0x20 [ 79.924122][ T9124] ? dev_queue_xmit+0x18/0x20 [ 79.928780][ T9124] pppoe_sendmsg+0x65e/0x7f0 [ 79.933486][ T9124] ? __delete_item+0x370/0x370 [ 79.938247][ T9124] ? apparmor_socket_sendmsg+0x2a/0x30 [ 79.943686][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.949928][ T9124] ? security_socket_sendmsg+0x8d/0xc0 [ 79.955369][ T9124] ? __delete_item+0x370/0x370 [ 79.960123][ T9124] sock_sendmsg+0xd7/0x130 [ 79.964522][ T9124] ____sys_sendmsg+0x358/0x880 [ 79.969266][ T9124] ? kernel_sendmsg+0x50/0x50 [ 79.973948][ T9124] ? __lock_acquire+0x16f2/0x4a00 [ 79.978982][ T9124] ___sys_sendmsg+0x100/0x170 [ 79.983639][ T9124] ? mark_held_locks+0xf0/0xf0 [ 79.988385][ T9124] ? sendmsg_copy_msghdr+0x70/0x70 [ 79.993474][ T9124] ? __lock_acquire+0x29c9/0x4a00 [ 79.998480][ T9124] ? release_sock+0x20/0x1c0 [ 80.003066][ T9124] ? reacquire_held_locks+0x208/0x510 [ 80.008435][ T9124] ? release_sock+0x156/0x1c0 [ 80.013094][ T9124] ? find_held_lock+0x35/0x130 [ 80.017838][ T9124] ? release_sock+0x156/0x1c0 [ 80.022496][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 80.027866][ T9124] ? _raw_spin_unlock_bh+0x2c/0x30 [ 80.032977][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 80.038427][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.044647][ T9124] ? __fget_light+0x1a9/0x230 [ 80.049300][ T9124] ? __fdget+0x1b/0x20 [ 80.053351][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.059568][ T9124] ? sockfd_lookup_light+0xcb/0x180 [ 80.064749][ T9124] __sys_sendmmsg+0x1bf/0x4d0 [ 80.069408][ T9124] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 80.074432][ T9124] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 80.080231][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.086833][ T9124] ? __sys_connect+0x11d/0x1b0 [ 80.091593][ T9124] ? __sys_connect_file+0x1c0/0x1c0 [ 80.096791][ T9124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.103027][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.108461][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.113909][ T9124] ? do_syscall_64+0x26/0x790 [ 80.118675][ T9124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.124723][ T9124] ? do_syscall_64+0x26/0x790 [ 80.129396][ T9124] __x64_sys_sendmmsg+0x9d/0x100 [ 80.134341][ T9124] do_syscall_64+0xfa/0x790 [ 80.138855][ T9124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.144751][ T9124] RIP: 0033:0x441fa9 [ 80.148645][ T9124] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.168244][ T9124] RSP: 002b:00007ffee87f6f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 80.176640][ T9124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 80.184595][ T9124] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 80.192547][ T9124] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 80.200502][ T9124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.208469][ T9124] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 80.216458][ T9124] irq event stamp: 93891 [ 80.220688][ T9124] hardirqs last enabled at (93890): [] console_unlock+0x7b3/0xf00 [ 80.230130][ T9124] hardirqs last disabled at (93891): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 80.240263][ T9124] softirqs last enabled at (93840): [] lock_sock_nested+0x9a/0x120 [ 80.249819][ T9124] softirqs last disabled at (93854): [] __dev_queue_xmit+0x20a/0x35c0 [ 80.259532][ T9124] ---[ end trace e67c94cccde0b294 ]--- [ 80.265138][ T9124] ------------[ cut here ]------------ [ 80.270689][ T9124] WARNING: CPU: 0 PID: 9124 at kernel/locking/mutex.c:737 mutex_unlock+0x1d/0x30 [ 80.279788][ T9124] Modules linked in: [ 80.283676][ T9124] CPU: 0 PID: 9124 Comm: syz-executor016 Tainted: G W 5.5.0-rc1-syzkaller #0 [ 80.293713][ T9124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.303777][ T9124] RIP: 0010:mutex_unlock+0x1d/0x30 [ 80.308869][ T9124] Code: 4c 89 ff e8 85 fe ea f9 e9 8c fb ff ff 55 65 8b 05 50 55 3a 78 a9 00 ff 1f 00 48 89 e5 75 0b 48 8b 75 08 e8 45 f9 ff ff 5d c3 <0f> 0b 48 8b 75 08 e8 38 f9 ff ff 5d c3 66 0f 1f 44 00 00 48 b8 00 [ 80.328466][ T9124] RSP: 0018:ffffc90001f97138 EFLAGS: 00010006 [ 80.334528][ T9124] RAX: 0000000080000201 RBX: 1ffff920003f2e29 RCX: ffffffff816c1c5d [ 80.342482][ T9124] RDX: 0000000000000000 RSI: ffffffff816c1cbf RDI: ffffffff899c3c60 [ 80.350437][ T9124] RBP: ffffc90001f97138 R08: ffff8880968c0000 R09: fffffbfff1659dbc [ 80.358408][ T9124] R10: ffff8880968c08e8 R11: ffff8880968c0000 R12: 0000000000000001 [ 80.366360][ T9124] R13: 0000000000000000 R14: ffffffff87bd2400 R15: 000000000000012f [ 80.374317][ T9124] FS: 0000000002621880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.383225][ T9124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.389800][ T9124] CR2: 0000000020000000 CR3: 00000000a2be3000 CR4: 00000000001406f0 [ 80.397783][ T9124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.405741][ T9124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.413695][ T9124] Call Trace: [ 80.416971][ T9124] __crash_kexec+0x10b/0x200 [ 80.421552][ T9124] ? kexec_crash_loaded+0x20/0x20 [ 80.426570][ T9124] ? trace_hardirqs_off+0x62/0x240 [ 80.431666][ T9124] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 80.437477][ T9124] ? __printk_safe_flush+0x31e/0x3a0 [ 80.442754][ T9124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.448481][ T9124] ? find_next_bit+0x107/0x130 [ 80.453233][ T9124] ? cpumask_next+0x41/0x50 [ 80.457718][ T9124] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 80.463421][ T9124] ? printk_safe_flush+0xf2/0x140 [ 80.468431][ T9124] ? hsr_addr_subst_dest+0x300/0x460 [ 80.473699][ T9124] panic+0x308/0x75c [ 80.477573][ T9124] ? add_taint.cold+0x16/0x16 [ 80.482248][ T9124] ? __kasan_check_write+0x14/0x20 [ 80.487349][ T9124] ? __warn.cold+0x14/0x3e [ 80.491745][ T9124] ? __warn+0xd9/0x1cf [ 80.495797][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 80.501071][ T9124] __warn.cold+0x2f/0x3e [ 80.505296][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 80.510560][ T9124] report_bug+0x289/0x300 [ 80.514873][ T9124] do_error_trap+0x11b/0x200 [ 80.519448][ T9124] do_invalid_op+0x37/0x50 [ 80.523844][ T9124] ? hsr_addr_subst_dest+0x382/0x460 [ 80.529167][ T9124] invalid_op+0x23/0x30 [ 80.533319][ T9124] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 80.539195][ T9124] Code: 89 de e8 91 08 b8 f9 84 db 75 d3 e8 48 07 b8 f9 48 c7 c6 a0 54 f5 88 48 c7 c7 60 54 f5 88 c6 05 34 f0 b7 02 01 e8 dd b0 88 f9 <0f> 0b eb b0 e8 25 07 b8 f9 0f b6 1d 20 f0 b7 02 31 ff 89 de e8 55 [ 80.558787][ T9124] RSP: 0018:ffffc90001f97540 EFLAGS: 00010282 [ 80.564842][ T9124] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 80.572800][ T9124] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff520003f2e9a [ 80.580750][ T9124] RBP: ffffc90001f97580 R08: ffff8880968c0000 R09: fffffbfff1659dbc [ 80.588707][ T9124] R10: fffffbfff1659dbb R11: ffffffff8b2ceddf R12: ffff8880a7e96ba0 [ 80.596661][ T9124] R13: 0000000000000000 R14: 000000005a627f6b R15: 0000000000000000 [ 80.604662][ T9124] ? vprintk_func+0x86/0x189 [ 80.609256][ T9124] hsr_forward_skb+0x138b/0x1d30 [ 80.614184][ T9124] hsr_dev_xmit+0x7d/0xe0 [ 80.618495][ T9124] dev_hard_start_xmit+0x1a3/0x9b0 [ 80.623589][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.629811][ T9124] __dev_queue_xmit+0x2b05/0x35c0 [ 80.634818][ T9124] ? find_held_lock+0x35/0x130 [ 80.639615][ T9124] ? __might_fault+0x12b/0x1e0 [ 80.644374][ T9124] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 80.649695][ T9124] ? lock_downgrade+0x920/0x920 [ 80.654537][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.660755][ T9124] ? iov_iter_advance+0x29a/0xe20 [ 80.666140][ T9124] dev_queue_xmit+0x18/0x20 [ 80.670647][ T9124] ? dev_queue_xmit+0x18/0x20 [ 80.675326][ T9124] pppoe_sendmsg+0x65e/0x7f0 [ 80.679923][ T9124] ? __delete_item+0x370/0x370 [ 80.684697][ T9124] ? apparmor_socket_sendmsg+0x2a/0x30 [ 80.690164][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.696550][ T9124] ? security_socket_sendmsg+0x8d/0xc0 [ 80.702027][ T9124] ? __delete_item+0x370/0x370 [ 80.706852][ T9124] sock_sendmsg+0xd7/0x130 [ 80.711260][ T9124] ____sys_sendmsg+0x358/0x880 [ 80.716034][ T9124] ? kernel_sendmsg+0x50/0x50 [ 80.720711][ T9124] ? __lock_acquire+0x16f2/0x4a00 [ 80.725749][ T9124] ___sys_sendmsg+0x100/0x170 [ 80.730425][ T9124] ? mark_held_locks+0xf0/0xf0 [ 80.735194][ T9124] ? sendmsg_copy_msghdr+0x70/0x70 [ 80.740310][ T9124] ? __lock_acquire+0x29c9/0x4a00 [ 80.745351][ T9124] ? release_sock+0x20/0x1c0 [ 80.749998][ T9124] ? reacquire_held_locks+0x208/0x510 [ 80.755375][ T9124] ? release_sock+0x156/0x1c0 [ 80.760078][ T9124] ? find_held_lock+0x35/0x130 [ 80.764842][ T9124] ? release_sock+0x156/0x1c0 [ 80.769523][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 80.774893][ T9124] ? _raw_spin_unlock_bh+0x2c/0x30 [ 80.780005][ T9124] ? __local_bh_enable_ip+0x15a/0x270 [ 80.785378][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.791632][ T9124] ? __fget_light+0x1a9/0x230 [ 80.796319][ T9124] ? __fdget+0x1b/0x20 [ 80.800569][ T9124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.806974][ T9124] ? sockfd_lookup_light+0xcb/0x180 [ 80.812171][ T9124] __sys_sendmmsg+0x1bf/0x4d0 [ 80.816849][ T9124] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 80.821913][ T9124] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 80.827748][ T9124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.833993][ T9124] ? __sys_connect+0x11d/0x1b0 [ 80.838757][ T9124] ? __sys_connect_file+0x1c0/0x1c0 [ 80.843989][ T9124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.850237][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.855734][ T9124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.861179][ T9124] ? do_syscall_64+0x26/0x790 [ 80.865861][ T9124] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.871922][ T9124] ? do_syscall_64+0x26/0x790 [ 80.876584][ T9124] __x64_sys_sendmmsg+0x9d/0x100 [ 80.881514][ T9124] do_syscall_64+0xfa/0x790 [ 80.886011][ T9124] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.891891][ T9124] RIP: 0033:0x441fa9 [ 80.895776][ T9124] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.915364][ T9124] RSP: 002b:00007ffee87f6f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 80.923796][ T9124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 80.931811][ T9124] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 80.939784][ T9124] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 80.947739][ T9124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.955713][ T9124] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 80.963678][ T9124] irq event stamp: 93891 [ 80.967911][ T9124] hardirqs last enabled at (93890): [] console_unlock+0x7b3/0xf00 [ 80.977348][ T9124] hardirqs last disabled at (93891): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 80.987490][ T9124] softirqs last enabled at (93840): [] lock_sock_nested+0x9a/0x120 [ 80.997014][ T9124] softirqs last disabled at (93854): [] __dev_queue_xmit+0x20a/0x35c0 [ 81.006805][ T9124] ---[ end trace e67c94cccde0b295 ]--- [ 81.012976][ T9124] Kernel Offset: disabled [ 81.017367][ T9124] Rebooting in 86400 seconds..