[ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. Starting Permit User Sessions... Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. Starting Load/Save RF Kill Switch Status... [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.454065][ T37] audit: type=1400 audit(1630669831.005:8): avc: denied { execmem } for pid=8431 comm="syz-executor142" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.456975][ T8431] ------------[ cut here ]------------ [ 77.480271][ T8431] WARNING: CPU: 0 PID: 8431 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 77.488820][ T8431] Modules linked in: [ 77.492709][ T8431] CPU: 0 PID: 8431 Comm: syz-executor142 Not tainted 5.14.0-syzkaller #0 [ 77.501199][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.511290][ T8431] RIP: 0010:kvmalloc_node+0x111/0x120 [ 77.516906][ T8431] Code: 01 00 00 00 4c 89 e7 e8 ed 11 0d 00 49 89 c5 e9 69 ff ff ff e8 90 55 d1 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 7f 55 d1 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 66 [ 77.536656][ T8431] RSP: 0018:ffffc90001a27288 EFLAGS: 00010293 [ 77.542712][ T8431] RAX: 0000000000000000 RBX: ffffc90001a273a0 RCX: 0000000000000000 [ 77.550718][ T8431] RDX: ffff8880167301c0 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 77.558801][ T8431] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001f [ 77.566798][ T8431] R10: ffffffff81a3f60e R11: 000000000000001f R12: 0000000400000018 [ 77.574783][ T8431] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801767fe00 [ 77.582800][ T8431] FS: 0000000000d00300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.591962][ T8431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.598809][ T8431] CR2: 0000000020000006 CR3: 000000001e129000 CR4: 00000000001506f0 [ 77.606845][ T8431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.614812][ T8431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.622839][ T8431] Call Trace: [ 77.626111][ T8431] hash_ipmac_create+0x3dd/0x1220 [ 77.631187][ T8431] ? __nla_parse+0x3d/0x50 [ 77.635589][ T8431] ? hash_ipmac6_list+0x1070/0x1070 [ 77.640825][ T8431] ip_set_create+0x782/0x15a0 [ 77.645500][ T8431] ? ip_set_sockfn_get+0xe60/0xe60 [ 77.650729][ T8431] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.656837][ T8431] ? __nla_parse+0x3d/0x50 [ 77.661242][ T8431] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 77.666293][ T8431] ? nfnetlink_net_init+0x380/0x380 [ 77.671487][ T8431] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 77.677239][ T8431] ? avc_has_extended_perms+0xee0/0xee0 [ 77.682781][ T8431] ? arch_stack_walk+0x93/0xe0 [ 77.687589][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.693825][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.700101][ T8431] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 77.705999][ T8431] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 77.711910][ T8431] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 77.717652][ T8431] netlink_rcv_skb+0x153/0x420 [ 77.722441][ T8431] ? nfnetlink_net_init+0x380/0x380 [ 77.727697][ T8431] ? netlink_ack+0xa60/0xa60 [ 77.732286][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.738568][ T8431] ? ns_capable+0xd9/0x100 [ 77.742980][ T8431] nfnetlink_rcv+0x1ac/0x420 [ 77.747596][ T8431] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 77.753151][ T8431] ? netlink_deliver_tap+0x1b1/0xc30 [ 77.758508][ T8431] netlink_unicast+0x533/0x7d0 [ 77.763270][ T8431] ? netlink_attachskb+0x890/0x890 [ 77.768495][ T8431] netlink_sendmsg+0x86d/0xdb0 [ 77.773264][ T8431] ? netlink_unicast+0x7d0/0x7d0 [ 77.778299][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.784539][ T8431] ? netlink_unicast+0x7d0/0x7d0 [ 77.789529][ T8431] sock_sendmsg+0xcf/0x120 [ 77.793987][ T8431] ____sys_sendmsg+0x6e8/0x810 [ 77.798794][ T8431] ? kernel_sendmsg+0x50/0x50 [ 77.803555][ T8431] ? do_recvmmsg+0x6d0/0x6d0 [ 77.808197][ T8431] ? rcu_read_lock_sched_held+0xd/0x70 [ 77.813683][ T8431] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 77.826165][ T8431] ? lock_downgrade+0x6e0/0x6e0 [ 77.831046][ T8431] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.846175][ T8431] ___sys_sendmsg+0xf3/0x170 [ 77.850845][ T8431] ? sendmsg_copy_msghdr+0x160/0x160 [ 77.862558][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.868913][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.875165][ T8431] ? __handle_mm_fault+0x621/0x5320 [ 77.880485][ T8431] ? vm_iomap_memory+0x190/0x190 [ 77.885437][ T8431] ? lock_release+0x720/0x720 [ 77.890174][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.896471][ T8431] ? __fget_light+0x215/0x280 [ 77.901146][ T8431] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.907431][ T8431] __sys_sendmsg+0xe5/0x1b0 [ 77.912159][ T8431] ? __sys_sendmsg_sock+0x30/0x30 [ 77.917246][ T8431] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.923154][ T8431] ? trace_hardirqs_on+0x5b/0x1c0 [ 77.928226][ T8431] do_syscall_64+0x35/0xb0 [ 77.932824][ T8431] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.938781][ T8431] RIP: 0033:0x43f039 [ 77.942677][ T8431] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 77.962663][ T8431] RSP: 002b:00007fff67f70028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.971125][ T8431] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 77.979145][ T8431] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 77.987150][ T8431] RBP: 0000000000403020 R08: 0000000000000009 R09: 0000000000400488 [ 77.995291][ T8431] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004030b0 [ 78.003323][ T8431] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 78.011666][ T8431] Kernel panic - not syncing: panic_on_warn set ... [ 78.018237][ T8431] CPU: 0 PID: 8431 Comm: syz-executor142 Not tainted 5.14.0-syzkaller #0 [ 78.027066][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.037118][ T8431] Call Trace: [ 78.040380][ T8431] dump_stack_lvl+0xcd/0x134 [ 78.044978][ T8431] panic+0x2b0/0x6dd [ 78.049825][ T8431] ? __warn_printk+0xf3/0xf3 [ 78.054398][ T8431] ? __warn.cold+0x1a/0x44 [ 78.058801][ T8431] ? kvmalloc_node+0x111/0x120 [ 78.063550][ T8431] __warn.cold+0x35/0x44 [ 78.067792][ T8431] ? kvmalloc_node+0x111/0x120 [ 78.072544][ T8431] report_bug+0x1bd/0x210 [ 78.076878][ T8431] handle_bug+0x3c/0x60 [ 78.081027][ T8431] exc_invalid_op+0x14/0x40 [ 78.085513][ T8431] asm_exc_invalid_op+0x12/0x20 [ 78.090532][ T8431] RIP: 0010:kvmalloc_node+0x111/0x120 [ 78.095910][ T8431] Code: 01 00 00 00 4c 89 e7 e8 ed 11 0d 00 49 89 c5 e9 69 ff ff ff e8 90 55 d1 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 7f 55 d1 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 66 [ 78.115513][ T8431] RSP: 0018:ffffc90001a27288 EFLAGS: 00010293 [ 78.122117][ T8431] RAX: 0000000000000000 RBX: ffffc90001a273a0 RCX: 0000000000000000 [ 78.130073][ T8431] RDX: ffff8880167301c0 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 78.138027][ T8431] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001f [ 78.145995][ T8431] R10: ffffffff81a3f60e R11: 000000000000001f R12: 0000000400000018 [ 78.154079][ T8431] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801767fe00 [ 78.162144][ T8431] ? kvmalloc_node+0xce/0x120 [ 78.166824][ T8431] ? kvmalloc_node+0x111/0x120 [ 78.171571][ T8431] ? kvmalloc_node+0x111/0x120 [ 78.176325][ T8431] hash_ipmac_create+0x3dd/0x1220 [ 78.181337][ T8431] ? __nla_parse+0x3d/0x50 [ 78.185733][ T8431] ? hash_ipmac6_list+0x1070/0x1070 [ 78.190918][ T8431] ip_set_create+0x782/0x15a0 [ 78.195583][ T8431] ? ip_set_sockfn_get+0xe60/0xe60 [ 78.200678][ T8431] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.206785][ T8431] ? __nla_parse+0x3d/0x50 [ 78.211195][ T8431] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 78.216215][ T8431] ? nfnetlink_net_init+0x380/0x380 [ 78.221405][ T8431] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 78.227104][ T8431] ? avc_has_extended_perms+0xee0/0xee0 [ 78.232650][ T8431] ? arch_stack_walk+0x93/0xe0 [ 78.237392][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.243640][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.249862][ T8431] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 78.255750][ T8431] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 78.261368][ T8431] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 78.266997][ T8431] netlink_rcv_skb+0x153/0x420 [ 78.271737][ T8431] ? nfnetlink_net_init+0x380/0x380 [ 78.277372][ T8431] ? netlink_ack+0xa60/0xa60 [ 78.281948][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.288165][ T8431] ? ns_capable+0xd9/0x100 [ 78.292571][ T8431] nfnetlink_rcv+0x1ac/0x420 [ 78.297141][ T8431] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 78.302575][ T8431] ? netlink_deliver_tap+0x1b1/0xc30 [ 78.307843][ T8431] netlink_unicast+0x533/0x7d0 [ 78.312595][ T8431] ? netlink_attachskb+0x890/0x890 [ 78.317681][ T8431] netlink_sendmsg+0x86d/0xdb0 [ 78.322422][ T8431] ? netlink_unicast+0x7d0/0x7d0 [ 78.327336][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.333554][ T8431] ? netlink_unicast+0x7d0/0x7d0 [ 78.338476][ T8431] sock_sendmsg+0xcf/0x120 [ 78.342878][ T8431] ____sys_sendmsg+0x6e8/0x810 [ 78.347630][ T8431] ? kernel_sendmsg+0x50/0x50 [ 78.352286][ T8431] ? do_recvmmsg+0x6d0/0x6d0 [ 78.356860][ T8431] ? rcu_read_lock_sched_held+0xd/0x70 [ 78.362507][ T8431] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 78.368566][ T8431] ? lock_downgrade+0x6e0/0x6e0 [ 78.373400][ T8431] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 78.379624][ T8431] ___sys_sendmsg+0xf3/0x170 [ 78.384202][ T8431] ? sendmsg_copy_msghdr+0x160/0x160 [ 78.389475][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.395696][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.401914][ T8431] ? __handle_mm_fault+0x621/0x5320 [ 78.407090][ T8431] ? vm_iomap_memory+0x190/0x190 [ 78.412062][ T8431] ? lock_release+0x720/0x720 [ 78.416719][ T8431] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 78.422942][ T8431] ? __fget_light+0x215/0x280 [ 78.427612][ T8431] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 78.433831][ T8431] __sys_sendmsg+0xe5/0x1b0 [ 78.438313][ T8431] ? __sys_sendmsg_sock+0x30/0x30 [ 78.443321][ T8431] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.449192][ T8431] ? trace_hardirqs_on+0x5b/0x1c0 [ 78.454195][ T8431] do_syscall_64+0x35/0xb0 [ 78.458632][ T8431] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.464510][ T8431] RIP: 0033:0x43f039 [ 78.468381][ T8431] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 78.488069][ T8431] RSP: 002b:00007fff67f70028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.496468][ T8431] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 78.504425][ T8431] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 78.512379][ T8431] RBP: 0000000000403020 R08: 0000000000000009 R09: 0000000000400488 [ 78.520372][ T8431] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004030b0 [ 78.528442][ T8431] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 78.537983][ T8431] Kernel Offset: disabled [ 78.542293][ T8431] Rebooting in 86400 seconds..