[ 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 Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 81.204777][ T37] audit: type=1400 audit(1630784147.346:8): avc: denied { execmem } for pid=8439 comm="syz-executor737" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 81.207405][ T8439] ------------[ cut here ]------------ [ 81.231151][ T8439] WARNING: CPU: 1 PID: 8439 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 81.240028][ T8439] Modules linked in: [ 81.243904][ T8439] CPU: 1 PID: 8439 Comm: syz-executor737 Not tainted 5.14.0-syzkaller #0 [ 81.253132][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.263844][ T8439] RIP: 0010:kvmalloc_node+0x111/0x120 [ 81.269709][ T8439] Code: 01 00 00 00 4c 89 e7 e8 4d 17 0d 00 49 89 c5 e9 69 ff ff ff e8 30 3e d1 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 1f 3e d1 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 06 [ 81.289411][ T8439] RSP: 0018:ffffc90001097290 EFLAGS: 00010293 [ 81.295479][ T8439] RAX: 0000000000000000 RBX: 000000000000001f RCX: 0000000000000000 [ 81.303505][ T8439] RDX: ffff888074f06240 RSI: ffffffff81a41371 RDI: 0000000000000003 [ 81.311506][ T8439] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001f [ 81.319559][ T8439] R10: ffffffff81a4132e R11: 000000000000001f R12: 0000000400000018 [ 81.327520][ T8439] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888029e5d3c0 [ 81.335533][ T8439] FS: 00000000019c3300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 81.344514][ T8439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.351121][ T8439] CR2: 0000000020000106 CR3: 0000000023af8000 CR4: 00000000001506f0 [ 81.359186][ T8439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.367150][ T8439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.375155][ T8439] Call Trace: [ 81.378476][ T8439] hash_mac_create+0x3bb/0xf50 [ 81.383247][ T8439] ? __nla_parse+0x3d/0x50 [ 81.387658][ T8439] ? hash_mac4_list+0xf00/0xf00 [ 81.392569][ T8439] ip_set_create+0x782/0x15a0 [ 81.397248][ T8439] ? ip_set_sockfn_get+0xe60/0xe60 [ 81.402393][ T8439] ? __nla_parse+0x3d/0x50 [ 81.406803][ T8439] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 81.411841][ T8439] ? nfnetlink_net_init+0x380/0x380 [ 81.417047][ T8439] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 81.422794][ T8439] ? avc_has_extended_perms+0xee0/0xee0 [ 81.428338][ T8439] ? arch_stack_walk+0x93/0xe0 [ 81.433280][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.439573][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.445812][ T8439] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 81.451869][ T8439] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 81.457512][ T8439] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 81.463177][ T8439] netlink_rcv_skb+0x153/0x420 [ 81.467934][ T8439] ? nfnetlink_net_init+0x380/0x380 [ 81.473147][ T8439] ? netlink_ack+0xa60/0xa60 [ 81.477749][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.484006][ T8439] ? ns_capable+0xd9/0x100 [ 81.488452][ T8439] nfnetlink_rcv+0x1ac/0x420 [ 81.493149][ T8439] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 81.498641][ T8439] ? netlink_deliver_tap+0x1b1/0xc30 [ 81.503926][ T8439] netlink_unicast+0x533/0x7d0 [ 81.508723][ T8439] ? netlink_attachskb+0x890/0x890 [ 81.513829][ T8439] netlink_sendmsg+0x86d/0xdb0 [ 81.518669][ T8439] ? netlink_unicast+0x7d0/0x7d0 [ 81.523607][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.529874][ T8439] ? netlink_unicast+0x7d0/0x7d0 [ 81.535240][ T8439] sock_sendmsg+0xcf/0x120 [ 81.539679][ T8439] ____sys_sendmsg+0x6e8/0x810 [ 81.544445][ T8439] ? kernel_sendmsg+0x50/0x50 [ 81.549216][ T8439] ? do_recvmmsg+0x6d0/0x6d0 [ 81.553804][ T8439] ? rcu_read_lock_sched_held+0xd/0x70 [ 81.559293][ T8439] ? do_huge_pmd_anonymous_page+0x1297/0x2810 [ 81.565355][ T8439] ? lock_downgrade+0x6e0/0x6e0 [ 81.570228][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 81.576467][ T8439] ___sys_sendmsg+0xf3/0x170 [ 81.581083][ T8439] ? sendmsg_copy_msghdr+0x160/0x160 [ 81.586381][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.592649][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.598935][ T8439] ? __handle_mm_fault+0x621/0x5320 [ 81.604138][ T8439] ? vm_iomap_memory+0x190/0x190 [ 81.609081][ T8439] ? lock_release+0x720/0x720 [ 81.613757][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.620037][ T8439] ? __fget_light+0x215/0x280 [ 81.624712][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 81.630989][ T8439] __sys_sendmsg+0xe5/0x1b0 [ 81.635495][ T8439] ? __sys_sendmsg_sock+0x30/0x30 [ 81.640710][ T8439] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.646690][ T8439] ? trace_hardirqs_on+0x5b/0x1c0 [ 81.651736][ T8439] do_syscall_64+0x35/0xb0 [ 81.656149][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.662078][ T8439] RIP: 0033:0x43f039 [ 81.665963][ T8439] 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 [ 81.685641][ T8439] RSP: 002b:00007ffcc15b62a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.694091][ T8439] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 81.702110][ T8439] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 81.710108][ T8439] RBP: 0000000000403020 R08: 0000000000000005 R09: 0000000000400488 [ 81.718246][ T8439] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000004030b0 [ 81.726243][ T8439] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 81.734255][ T8439] Kernel panic - not syncing: panic_on_warn set ... [ 81.740839][ T8439] CPU: 0 PID: 8439 Comm: syz-executor737 Not tainted 5.14.0-syzkaller #0 [ 81.749241][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.759283][ T8439] Call Trace: [ 81.762547][ T8439] dump_stack_lvl+0xcd/0x134 [ 81.767131][ T8439] panic+0x2b0/0x6dd [ 81.771017][ T8439] ? __warn_printk+0xf3/0xf3 [ 81.775595][ T8439] ? __warn.cold+0x1a/0x44 [ 81.780000][ T8439] ? kvmalloc_node+0x111/0x120 [ 81.784852][ T8439] __warn.cold+0x35/0x44 [ 81.789085][ T8439] ? kvmalloc_node+0x111/0x120 [ 81.793839][ T8439] report_bug+0x1bd/0x210 [ 81.798160][ T8439] handle_bug+0x3c/0x60 [ 81.802317][ T8439] exc_invalid_op+0x14/0x40 [ 81.806815][ T8439] asm_exc_invalid_op+0x12/0x20 [ 81.811656][ T8439] RIP: 0010:kvmalloc_node+0x111/0x120 [ 81.817021][ T8439] Code: 01 00 00 00 4c 89 e7 e8 4d 17 0d 00 49 89 c5 e9 69 ff ff ff e8 30 3e d1 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 1f 3e d1 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 06 [ 81.836617][ T8439] RSP: 0018:ffffc90001097290 EFLAGS: 00010293 [ 81.842674][ T8439] RAX: 0000000000000000 RBX: 000000000000001f RCX: 0000000000000000 [ 81.850650][ T8439] RDX: ffff888074f06240 RSI: ffffffff81a41371 RDI: 0000000000000003 [ 81.858609][ T8439] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001f [ 81.866564][ T8439] R10: ffffffff81a4132e R11: 000000000000001f R12: 0000000400000018 [ 81.874522][ T8439] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888029e5d3c0 [ 81.882481][ T8439] ? kvmalloc_node+0xce/0x120 [ 81.887150][ T8439] ? kvmalloc_node+0x111/0x120 [ 81.891910][ T8439] hash_mac_create+0x3bb/0xf50 [ 81.896666][ T8439] ? __nla_parse+0x3d/0x50 [ 81.901069][ T8439] ? hash_mac4_list+0xf00/0xf00 [ 81.905909][ T8439] ip_set_create+0x782/0x15a0 [ 81.910578][ T8439] ? ip_set_sockfn_get+0xe60/0xe60 [ 81.915771][ T8439] ? __nla_parse+0x3d/0x50 [ 81.920180][ T8439] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 81.925196][ T8439] ? nfnetlink_net_init+0x380/0x380 [ 81.930385][ T8439] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 81.936095][ T8439] ? avc_has_extended_perms+0xee0/0xee0 [ 81.941631][ T8439] ? arch_stack_walk+0x93/0xe0 [ 81.946385][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.952614][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.958844][ T8439] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 81.964732][ T8439] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 81.970358][ T8439] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 81.975984][ T8439] netlink_rcv_skb+0x153/0x420 [ 81.980743][ T8439] ? nfnetlink_net_init+0x380/0x380 [ 81.985932][ T8439] ? netlink_ack+0xa60/0xa60 [ 81.990511][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 81.996785][ T8439] ? ns_capable+0xd9/0x100 [ 82.001219][ T8439] nfnetlink_rcv+0x1ac/0x420 [ 82.005818][ T8439] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 82.011280][ T8439] ? netlink_deliver_tap+0x1b1/0xc30 [ 82.016565][ T8439] netlink_unicast+0x533/0x7d0 [ 82.021326][ T8439] ? netlink_attachskb+0x890/0x890 [ 82.026430][ T8439] netlink_sendmsg+0x86d/0xdb0 [ 82.031183][ T8439] ? netlink_unicast+0x7d0/0x7d0 [ 82.036111][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 82.042345][ T8439] ? netlink_unicast+0x7d0/0x7d0 [ 82.047269][ T8439] sock_sendmsg+0xcf/0x120 [ 82.051677][ T8439] ____sys_sendmsg+0x6e8/0x810 [ 82.056430][ T8439] ? kernel_sendmsg+0x50/0x50 [ 82.061097][ T8439] ? do_recvmmsg+0x6d0/0x6d0 [ 82.065679][ T8439] ? rcu_read_lock_sched_held+0xd/0x70 [ 82.071154][ T8439] ? do_huge_pmd_anonymous_page+0x1297/0x2810 [ 82.077215][ T8439] ? lock_downgrade+0x6e0/0x6e0 [ 82.082054][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 82.088287][ T8439] ___sys_sendmsg+0xf3/0x170 [ 82.092886][ T8439] ? sendmsg_copy_msghdr+0x160/0x160 [ 82.098163][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 82.104394][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 82.110626][ T8439] ? __handle_mm_fault+0x621/0x5320 [ 82.115823][ T8439] ? vm_iomap_memory+0x190/0x190 [ 82.120758][ T8439] ? lock_release+0x720/0x720 [ 82.125422][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 82.131653][ T8439] ? __fget_light+0x215/0x280 [ 82.136332][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 82.142564][ T8439] __sys_sendmsg+0xe5/0x1b0 [ 82.147062][ T8439] ? __sys_sendmsg_sock+0x30/0x30 [ 82.152080][ T8439] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.157964][ T8439] ? trace_hardirqs_on+0x5b/0x1c0 [ 82.162982][ T8439] do_syscall_64+0x35/0xb0 [ 82.167396][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 82.173283][ T8439] RIP: 0033:0x43f039 [ 82.177165][ T8439] 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 [ 82.196776][ T8439] RSP: 002b:00007ffcc15b62a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.205188][ T8439] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 82.213155][ T8439] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 82.221116][ T8439] RBP: 0000000000403020 R08: 0000000000000005 R09: 0000000000400488 [ 82.229077][ T8439] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000004030b0 [ 82.237041][ T8439] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 82.246270][ T8439] Kernel Offset: disabled [ 82.250579][ T8439] Rebooting in 86400 seconds..