Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. syzkaller login: [ 70.338278][ T9044] IPVS: ftp: loaded support on port[0] = 21 [ 70.395097][ T9044] chnl_net:caif_netlink_parms(): no params data found [ 70.421064][ T9044] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.430720][ T9044] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.438810][ T9044] device bridge_slave_0 entered promiscuous mode [ 70.447744][ T9044] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.454969][ T9044] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.463430][ T9044] device bridge_slave_1 entered promiscuous mode [ 70.479896][ T9044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.491595][ T9044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.511537][ T9044] team0: Port device team_slave_0 added [ 70.519128][ T9044] team0: Port device team_slave_1 added [ 70.584687][ T9044] device hsr_slave_0 entered promiscuous mode [ 70.632770][ T9044] device hsr_slave_1 entered promiscuous mode [ 70.696651][ T9044] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.745338][ T9044] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.814356][ T9044] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.874369][ T9044] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.941259][ T9044] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.948603][ T9044] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.956461][ T9044] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.963686][ T9044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.998314][ T9044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.010435][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.030487][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.049909][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.059206][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.071143][ T9044] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.081325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.089951][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.097065][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.108041][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.116891][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.124433][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.144636][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.153432][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.161807][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.171171][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.181877][ T9044] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network executing program [ 71.194010][ T9044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.202423][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.220506][ T9044] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.228409][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.236297][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.247130][ T9044] ------------[ cut here ]------------ [ 71.252729][ T9044] hsr_addr_subst_dest: Unknown node [ 71.258294][ T9044] WARNING: CPU: 1 PID: 9044 at net/hsr/hsr_framereg.c:303 hsr_addr_subst_dest+0x382/0x460 [ 71.268185][ T9044] Kernel panic - not syncing: panic_on_warn set ... [ 71.274773][ T9044] CPU: 1 PID: 9044 Comm: syz-executor397 Not tainted 5.5.0-rc2-syzkaller #0 [ 71.283418][ T9044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.293465][ T9044] Call Trace: [ 71.296752][ T9044] dump_stack+0x197/0x210 [ 71.301066][ T9044] ? hsr_addr_subst_dest+0x320/0x460 [ 71.306338][ T9044] panic+0x2e3/0x75c [ 71.310328][ T9044] ? add_taint.cold+0x16/0x16 [ 71.316555][ T9044] ? __kasan_check_write+0x14/0x20 [ 71.321660][ T9044] ? __warn.cold+0x14/0x3e [ 71.326058][ T9044] ? __warn+0xd9/0x1cf [ 71.330111][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 71.335377][ T9044] __warn.cold+0x2f/0x3e [ 71.339602][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 71.344868][ T9044] report_bug+0x289/0x300 [ 71.349180][ T9044] do_error_trap+0x11b/0x200 [ 71.353763][ T9044] do_invalid_op+0x37/0x50 [ 71.358158][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 71.363420][ T9044] invalid_op+0x23/0x30 [ 71.367565][ T9044] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 71.373435][ T9044] Code: 89 de e8 91 13 b8 f9 84 db 75 d3 e8 48 12 b8 f9 48 c7 c6 c0 5b f5 88 48 c7 c7 80 5b f5 88 c6 05 d4 fe b7 02 01 e8 fd bb 88 f9 <0f> 0b eb b0 e8 25 12 b8 f9 0f b6 1d c0 fe b7 02 31 ff 89 de e8 55 [ 71.393038][ T9044] RSP: 0018:ffffc900020a7540 EFLAGS: 00010282 [ 71.399096][ T9044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.407123][ T9044] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff52000414e9a [ 71.415107][ T9044] RBP: ffffc900020a7580 R08: ffff888093a74640 R09: ffffed1015d26621 [ 71.423070][ T9044] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: ffff88808cefeba0 [ 71.431032][ T9044] R13: 0000000000000000 R14: 0000000099c6bdde R15: 0000000000000000 [ 71.439012][ T9044] ? vprintk_func+0x86/0x189 [ 71.443589][ T9044] hsr_forward_skb+0x138b/0x1d30 [ 71.448511][ T9044] hsr_dev_xmit+0x7d/0xe0 [ 71.452831][ T9044] dev_hard_start_xmit+0x1a3/0x9b0 [ 71.457923][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.464141][ T9044] __dev_queue_xmit+0x2b05/0x35c0 [ 71.469157][ T9044] ? find_held_lock+0x35/0x130 [ 71.473912][ T9044] ? __might_fault+0x12b/0x1e0 [ 71.478658][ T9044] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 71.483928][ T9044] ? lock_downgrade+0x920/0x920 [ 71.488934][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.495261][ T9044] ? iov_iter_advance+0x29a/0xe20 [ 71.500280][ T9044] dev_queue_xmit+0x18/0x20 [ 71.504764][ T9044] ? dev_queue_xmit+0x18/0x20 [ 71.509441][ T9044] pppoe_sendmsg+0x65e/0x7f0 [ 71.514019][ T9044] ? __delete_item+0x370/0x370 [ 71.518781][ T9044] ? apparmor_socket_sendmsg+0x2a/0x30 [ 71.524222][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.530725][ T9044] ? security_socket_sendmsg+0x8d/0xc0 [ 71.536239][ T9044] ? __delete_item+0x370/0x370 [ 71.541000][ T9044] sock_sendmsg+0xd7/0x130 [ 71.545583][ T9044] ____sys_sendmsg+0x358/0x880 [ 71.550347][ T9044] ? kernel_sendmsg+0x50/0x50 [ 71.555710][ T9044] ? __lock_acquire+0x16f2/0x4a00 [ 71.560727][ T9044] ___sys_sendmsg+0x100/0x170 [ 71.565801][ T9044] ? mark_held_locks+0xf0/0xf0 [ 71.570581][ T9044] ? sendmsg_copy_msghdr+0x70/0x70 [ 71.575765][ T9044] ? __lock_acquire+0x29c9/0x4a00 [ 71.580796][ T9044] ? release_sock+0x20/0x1c0 [ 71.585368][ T9044] ? reacquire_held_locks+0x208/0x510 [ 71.590740][ T9044] ? release_sock+0x156/0x1c0 [ 71.595396][ T9044] ? find_held_lock+0x35/0x130 [ 71.600158][ T9044] ? release_sock+0x156/0x1c0 [ 71.604815][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 71.610350][ T9044] ? _raw_spin_unlock_bh+0x2c/0x30 [ 71.615440][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 71.620793][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.627010][ T9044] ? __fget_light+0x1a9/0x230 [ 71.631664][ T9044] ? __fdget+0x1b/0x20 [ 71.635713][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.641928][ T9044] ? sockfd_lookup_light+0xcb/0x180 [ 71.647103][ T9044] __sys_sendmmsg+0x1bf/0x4d0 [ 71.651758][ T9044] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 71.656764][ T9044] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 71.662567][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.668800][ T9044] ? __sys_connect+0x11d/0x1b0 [ 71.673553][ T9044] ? __sys_connect_file+0x1c0/0x1c0 [ 71.679819][ T9044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 71.686148][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 71.691933][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 71.697372][ T9044] ? do_syscall_64+0x26/0x790 [ 71.702027][ T9044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.708070][ T9044] ? do_syscall_64+0x26/0x790 [ 71.712745][ T9044] __x64_sys_sendmmsg+0x9d/0x100 [ 71.717762][ T9044] do_syscall_64+0xfa/0x790 [ 71.722260][ T9044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.728131][ T9044] RIP: 0033:0x441fa9 [ 71.732101][ T9044] 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 [ 71.751694][ T9044] RSP: 002b:00007ffca3cf3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 71.760096][ T9044] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 71.768047][ T9044] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 71.776022][ T9044] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 71.783980][ T9044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.791946][ T9044] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 71.800121][ T9044] ------------[ cut here ]------------ [ 71.805573][ T9044] WARNING: CPU: 1 PID: 9044 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 [ 71.815001][ T9044] Modules linked in: [ 71.818894][ T9044] CPU: 1 PID: 9044 Comm: syz-executor397 Not tainted 5.5.0-rc2-syzkaller #0 [ 71.827556][ T9044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.837661][ T9044] RIP: 0010:mutex_trylock+0x279/0x2f0 [ 71.843059][ T9044] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 ac 43 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 20 fd ea [ 71.863427][ T9044] RSP: 0018:ffffc900020a7108 EFLAGS: 00010006 [ 71.869484][ T9044] RAX: 0000000000000201 RBX: 1ffff92000414e29 RCX: 0000000000000004 [ 71.877524][ T9044] RDX: 0000000000000000 RSI: ffffffff816c1c25 RDI: ffffffff899c3be0 [ 71.885475][ T9044] RBP: ffffc900020a7138 R08: 0000000000000001 R09: fffffbfff1333ad5 [ 71.893436][ T9044] R10: fffffbfff1333ad4 R11: ffffffff8999d6a3 R12: ffffffff8b63c520 [ 71.901473][ T9044] R13: 0000000000000000 R14: ffffffff87bd1900 R15: ffffffff899c3be0 [ 71.909436][ T9044] FS: 0000000002520880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 71.918342][ T9044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.924902][ T9044] CR2: 0000000020000000 CR3: 00000000a14d0000 CR4: 00000000001406e0 [ 71.932854][ T9044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.940826][ T9044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.948784][ T9044] Call Trace: [ 71.952071][ T9044] ? hsr_addr_subst_dest+0x320/0x460 [ 71.957341][ T9044] __crash_kexec+0x91/0x200 [ 71.961842][ T9044] ? kexec_crash_loaded+0x20/0x20 [ 71.966849][ T9044] ? trace_hardirqs_off+0x62/0x240 [ 71.971954][ T9044] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 71.977741][ T9044] ? __printk_safe_flush+0x31e/0x3a0 [ 71.983021][ T9044] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 71.988718][ T9044] ? find_next_bit+0x107/0x130 [ 71.993474][ T9044] ? cpumask_next+0x41/0x50 [ 71.997954][ T9044] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 72.003676][ T9044] ? printk_safe_flush+0xf2/0x140 [ 72.008724][ T9044] ? hsr_addr_subst_dest+0x320/0x460 [ 72.014006][ T9044] panic+0x308/0x75c [ 72.017896][ T9044] ? add_taint.cold+0x16/0x16 [ 72.022588][ T9044] ? __kasan_check_write+0x14/0x20 [ 72.027871][ T9044] ? __warn.cold+0x14/0x3e [ 72.032269][ T9044] ? __warn+0xd9/0x1cf [ 72.036322][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.041597][ T9044] __warn.cold+0x2f/0x3e [ 72.045824][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.051088][ T9044] report_bug+0x289/0x300 [ 72.055397][ T9044] do_error_trap+0x11b/0x200 [ 72.059966][ T9044] do_invalid_op+0x37/0x50 [ 72.064358][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.069619][ T9044] invalid_op+0x23/0x30 [ 72.073758][ T9044] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 72.079627][ T9044] Code: 89 de e8 91 13 b8 f9 84 db 75 d3 e8 48 12 b8 f9 48 c7 c6 c0 5b f5 88 48 c7 c7 80 5b f5 88 c6 05 d4 fe b7 02 01 e8 fd bb 88 f9 <0f> 0b eb b0 e8 25 12 b8 f9 0f b6 1d c0 fe b7 02 31 ff 89 de e8 55 [ 72.099235][ T9044] RSP: 0018:ffffc900020a7540 EFLAGS: 00010282 [ 72.105344][ T9044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.113324][ T9044] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff52000414e9a [ 72.121280][ T9044] RBP: ffffc900020a7580 R08: ffff888093a74640 R09: ffffed1015d26621 [ 72.129249][ T9044] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: ffff88808cefeba0 [ 72.137214][ T9044] R13: 0000000000000000 R14: 0000000099c6bdde R15: 0000000000000000 [ 72.145191][ T9044] ? vprintk_func+0x86/0x189 [ 72.149811][ T9044] hsr_forward_skb+0x138b/0x1d30 [ 72.154757][ T9044] hsr_dev_xmit+0x7d/0xe0 [ 72.159071][ T9044] dev_hard_start_xmit+0x1a3/0x9b0 [ 72.164264][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.170492][ T9044] __dev_queue_xmit+0x2b05/0x35c0 [ 72.175515][ T9044] ? find_held_lock+0x35/0x130 [ 72.180272][ T9044] ? __might_fault+0x12b/0x1e0 [ 72.185018][ T9044] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 72.190292][ T9044] ? lock_downgrade+0x920/0x920 [ 72.197034][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.203250][ T9044] ? iov_iter_advance+0x29a/0xe20 [ 72.208260][ T9044] dev_queue_xmit+0x18/0x20 [ 72.212742][ T9044] ? dev_queue_xmit+0x18/0x20 [ 72.217410][ T9044] pppoe_sendmsg+0x65e/0x7f0 [ 72.221978][ T9044] ? __delete_item+0x370/0x370 [ 72.226720][ T9044] ? apparmor_socket_sendmsg+0x2a/0x30 [ 72.232167][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.238482][ T9044] ? security_socket_sendmsg+0x8d/0xc0 [ 72.243978][ T9044] ? __delete_item+0x370/0x370 [ 72.248756][ T9044] sock_sendmsg+0xd7/0x130 [ 72.253173][ T9044] ____sys_sendmsg+0x358/0x880 [ 72.257930][ T9044] ? kernel_sendmsg+0x50/0x50 [ 72.262675][ T9044] ? __lock_acquire+0x16f2/0x4a00 [ 72.267690][ T9044] ___sys_sendmsg+0x100/0x170 [ 72.272350][ T9044] ? mark_held_locks+0xf0/0xf0 [ 72.277097][ T9044] ? sendmsg_copy_msghdr+0x70/0x70 [ 72.282179][ T9044] ? __lock_acquire+0x29c9/0x4a00 [ 72.287180][ T9044] ? release_sock+0x20/0x1c0 [ 72.291746][ T9044] ? reacquire_held_locks+0x208/0x510 [ 72.297095][ T9044] ? release_sock+0x156/0x1c0 [ 72.301763][ T9044] ? find_held_lock+0x35/0x130 [ 72.306519][ T9044] ? release_sock+0x156/0x1c0 [ 72.311179][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 72.316540][ T9044] ? _raw_spin_unlock_bh+0x2c/0x30 [ 72.321629][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 72.326984][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.333204][ T9044] ? __fget_light+0x1a9/0x230 [ 72.338118][ T9044] ? __fdget+0x1b/0x20 [ 72.342161][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.348376][ T9044] ? sockfd_lookup_light+0xcb/0x180 [ 72.353568][ T9044] __sys_sendmmsg+0x1bf/0x4d0 [ 72.358233][ T9044] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 72.363241][ T9044] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 72.369025][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.375253][ T9044] ? __sys_connect+0x11d/0x1b0 [ 72.380000][ T9044] ? __sys_connect_file+0x1c0/0x1c0 [ 72.385185][ T9044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 72.391403][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.396841][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.402276][ T9044] ? do_syscall_64+0x26/0x790 [ 72.406930][ T9044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.412973][ T9044] ? do_syscall_64+0x26/0x790 [ 72.417715][ T9044] __x64_sys_sendmmsg+0x9d/0x100 [ 72.422717][ T9044] do_syscall_64+0xfa/0x790 [ 72.427200][ T9044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.433074][ T9044] RIP: 0033:0x441fa9 [ 72.436953][ T9044] 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 [ 72.456529][ T9044] RSP: 002b:00007ffca3cf3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 72.464917][ T9044] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 72.472872][ T9044] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 72.480819][ T9044] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 72.488767][ T9044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.496722][ T9044] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 72.504679][ T9044] irq event stamp: 91971 [ 72.508910][ T9044] hardirqs last enabled at (91970): [] console_unlock+0x7b3/0xf00 [ 72.518339][ T9044] hardirqs last disabled at (91971): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 72.528481][ T9044] softirqs last enabled at (91924): [] lock_sock_nested+0x9a/0x120 [ 72.537994][ T9044] softirqs last disabled at (91938): [] __dev_queue_xmit+0x20a/0x35c0 [ 72.547686][ T9044] ---[ end trace 6d74e0e85601673b ]--- [ 72.553288][ T9044] ------------[ cut here ]------------ [ 72.558820][ T9044] WARNING: CPU: 1 PID: 9044 at kernel/locking/mutex.c:737 mutex_unlock+0x1d/0x30 [ 72.567892][ T9044] Modules linked in: [ 72.571788][ T9044] CPU: 1 PID: 9044 Comm: syz-executor397 Tainted: G W 5.5.0-rc2-syzkaller #0 [ 72.581829][ T9044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.591878][ T9044] RIP: 0010:mutex_unlock+0x1d/0x30 [ 72.597239][ T9044] Code: 4c 89 ff e8 75 08 eb f9 e9 8c fb ff ff 55 65 8b 05 70 60 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 [ 72.616919][ T9044] RSP: 0018:ffffc900020a7138 EFLAGS: 00010006 [ 72.622965][ T9044] RAX: 0000000000000201 RBX: 1ffff92000414e29 RCX: ffffffff816c1c3d [ 72.630917][ T9044] RDX: 0000000000000000 RSI: ffffffff816c1c9f RDI: ffffffff899c3be0 [ 72.638880][ T9044] RBP: ffffc900020a7138 R08: ffff888093a74640 R09: fffffbfff1659dbc [ 72.646887][ T9044] R10: ffff888093a74f28 R11: ffff888093a74640 R12: 0000000000000001 [ 72.654850][ T9044] R13: 0000000000000000 R14: ffffffff87bd1900 R15: 000000000000012f [ 72.662856][ T9044] FS: 0000000002520880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 72.671770][ T9044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.678350][ T9044] CR2: 0000000020000000 CR3: 00000000a14d0000 CR4: 00000000001406e0 [ 72.686308][ T9044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.694261][ T9044] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.702209][ T9044] Call Trace: [ 72.705486][ T9044] __crash_kexec+0x10b/0x200 [ 72.710057][ T9044] ? kexec_crash_loaded+0x20/0x20 [ 72.715068][ T9044] ? trace_hardirqs_off+0x62/0x240 [ 72.720186][ T9044] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 72.725974][ T9044] ? __printk_safe_flush+0x31e/0x3a0 [ 72.731239][ T9044] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 72.736939][ T9044] ? find_next_bit+0x107/0x130 [ 72.741695][ T9044] ? cpumask_next+0x41/0x50 [ 72.746192][ T9044] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 72.751905][ T9044] ? printk_safe_flush+0xf2/0x140 [ 72.756922][ T9044] ? hsr_addr_subst_dest+0x320/0x460 [ 72.762193][ T9044] panic+0x308/0x75c [ 72.766074][ T9044] ? add_taint.cold+0x16/0x16 [ 72.770735][ T9044] ? __kasan_check_write+0x14/0x20 [ 72.775826][ T9044] ? __warn.cold+0x14/0x3e [ 72.780223][ T9044] ? __warn+0xd9/0x1cf [ 72.784288][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.789566][ T9044] __warn.cold+0x2f/0x3e [ 72.793804][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.799072][ T9044] report_bug+0x289/0x300 [ 72.803385][ T9044] do_error_trap+0x11b/0x200 [ 72.807955][ T9044] do_invalid_op+0x37/0x50 [ 72.812363][ T9044] ? hsr_addr_subst_dest+0x382/0x460 [ 72.817646][ T9044] invalid_op+0x23/0x30 [ 72.821788][ T9044] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 72.827670][ T9044] Code: 89 de e8 91 13 b8 f9 84 db 75 d3 e8 48 12 b8 f9 48 c7 c6 c0 5b f5 88 48 c7 c7 80 5b f5 88 c6 05 d4 fe b7 02 01 e8 fd bb 88 f9 <0f> 0b eb b0 e8 25 12 b8 f9 0f b6 1d c0 fe b7 02 31 ff 89 de e8 55 [ 72.847428][ T9044] RSP: 0018:ffffc900020a7540 EFLAGS: 00010282 [ 72.853472][ T9044] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.861571][ T9044] RDX: 0000000000000000 RSI: ffffffff815e88f6 RDI: fffff52000414e9a [ 72.869622][ T9044] RBP: ffffc900020a7580 R08: ffff888093a74640 R09: ffffed1015d26621 [ 72.877579][ T9044] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: ffff88808cefeba0 [ 72.885541][ T9044] R13: 0000000000000000 R14: 0000000099c6bdde R15: 0000000000000000 [ 72.893686][ T9044] ? vprintk_func+0x86/0x189 [ 72.898262][ T9044] hsr_forward_skb+0x138b/0x1d30 [ 72.903195][ T9044] hsr_dev_xmit+0x7d/0xe0 [ 72.907507][ T9044] dev_hard_start_xmit+0x1a3/0x9b0 [ 72.912701][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.918919][ T9044] __dev_queue_xmit+0x2b05/0x35c0 [ 72.923919][ T9044] ? find_held_lock+0x35/0x130 [ 72.928663][ T9044] ? __might_fault+0x12b/0x1e0 [ 72.933419][ T9044] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 72.938685][ T9044] ? lock_downgrade+0x920/0x920 [ 72.943572][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.949839][ T9044] ? iov_iter_advance+0x29a/0xe20 [ 72.954861][ T9044] dev_queue_xmit+0x18/0x20 [ 72.959342][ T9044] ? dev_queue_xmit+0x18/0x20 [ 72.964024][ T9044] pppoe_sendmsg+0x65e/0x7f0 [ 72.968630][ T9044] ? __delete_item+0x370/0x370 [ 72.973380][ T9044] ? apparmor_socket_sendmsg+0x2a/0x30 [ 72.978817][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.985060][ T9044] ? security_socket_sendmsg+0x8d/0xc0 [ 72.990520][ T9044] ? __delete_item+0x370/0x370 [ 72.995274][ T9044] sock_sendmsg+0xd7/0x130 [ 72.999702][ T9044] ____sys_sendmsg+0x358/0x880 [ 73.004450][ T9044] ? kernel_sendmsg+0x50/0x50 [ 73.009140][ T9044] ? __lock_acquire+0x16f2/0x4a00 [ 73.014168][ T9044] ___sys_sendmsg+0x100/0x170 [ 73.018825][ T9044] ? mark_held_locks+0xf0/0xf0 [ 73.023573][ T9044] ? sendmsg_copy_msghdr+0x70/0x70 [ 73.028681][ T9044] ? __lock_acquire+0x29c9/0x4a00 [ 73.033687][ T9044] ? release_sock+0x20/0x1c0 [ 73.038251][ T9044] ? reacquire_held_locks+0x208/0x510 [ 73.043610][ T9044] ? release_sock+0x156/0x1c0 [ 73.048272][ T9044] ? find_held_lock+0x35/0x130 [ 73.053011][ T9044] ? release_sock+0x156/0x1c0 [ 73.057668][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 73.063016][ T9044] ? _raw_spin_unlock_bh+0x2c/0x30 [ 73.068103][ T9044] ? __local_bh_enable_ip+0x15a/0x270 [ 73.073456][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.079674][ T9044] ? __fget_light+0x1a9/0x230 [ 73.084327][ T9044] ? __fdget+0x1b/0x20 [ 73.088370][ T9044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.094596][ T9044] ? sockfd_lookup_light+0xcb/0x180 [ 73.099779][ T9044] __sys_sendmmsg+0x1bf/0x4d0 [ 73.104878][ T9044] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 73.109885][ T9044] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 73.115678][ T9044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.121893][ T9044] ? __sys_connect+0x11d/0x1b0 [ 73.126643][ T9044] ? __sys_connect_file+0x1c0/0x1c0 [ 73.131836][ T9044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 73.138053][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.143486][ T9044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.148920][ T9044] ? do_syscall_64+0x26/0x790 [ 73.153580][ T9044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.159620][ T9044] ? do_syscall_64+0x26/0x790 [ 73.164294][ T9044] __x64_sys_sendmmsg+0x9d/0x100 [ 73.169207][ T9044] do_syscall_64+0xfa/0x790 [ 73.173689][ T9044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.179554][ T9044] RIP: 0033:0x441fa9 [ 73.183428][ T9044] 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 [ 73.203008][ T9044] RSP: 002b:00007ffca3cf3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 73.211408][ T9044] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441fa9 [ 73.219368][ T9044] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 73.227335][ T9044] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 73.235297][ T9044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.243257][ T9044] R13: 0000000000403520 R14: 0000000000000000 R15: 0000000000000000 [ 73.251217][ T9044] irq event stamp: 91971 [ 73.255447][ T9044] hardirqs last enabled at (91970): [] console_unlock+0x7b3/0xf00 [ 73.264886][ T9044] hardirqs last disabled at (91971): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 73.275036][ T9044] softirqs last enabled at (91924): [] lock_sock_nested+0x9a/0x120 [ 73.284580][ T9044] softirqs last disabled at (91938): [] __dev_queue_xmit+0x20a/0x35c0 [ 73.294268][ T9044] ---[ end trace 6d74e0e85601673c ]--- [ 73.301235][ T9044] Kernel Offset: disabled [ 73.305665][ T9044] Rebooting in 86400 seconds..