[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ 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. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.266751][ T37] audit: type=1400 audit(1630683007.366:8): avc: denied { execmem } for pid=8416 comm="syz-executor566" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 76.268802][ T8416] ------------[ cut here ]------------ [ 76.294759][ T8416] WARNING: CPU: 0 PID: 8416 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 76.303844][ T8416] Modules linked in: [ 76.307735][ T8416] CPU: 0 PID: 8416 Comm: syz-executor566 Not tainted 5.14.0-syzkaller #0 [ 76.317100][ T8416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.327744][ T8416] RIP: 0010:kvmalloc_node+0x111/0x120 [ 76.333620][ T8416] 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 [ 76.353845][ T8416] RSP: 0018:ffffc90001cb7280 EFLAGS: 00010293 [ 76.359914][ T8416] RAX: 0000000000000000 RBX: ffffc90001cb73a0 RCX: 0000000000000000 [ 76.369336][ T8416] RDX: ffff8880292f8100 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 76.377469][ T8416] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001e [ 76.385523][ T8416] R10: ffffffff81a3f60e R11: 000000000000001f R12: 0000000200000018 [ 76.393551][ T8416] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888015dc1800 [ 76.401572][ T8416] FS: 00000000016c3300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.410669][ T8416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.417316][ T8416] CR2: 0000000020000146 CR3: 00000000168e4000 CR4: 00000000001506e0 [ 76.425391][ T8416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.433423][ T8416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.441441][ T8416] Call Trace: [ 76.444734][ T8416] hash_ipmark_create+0x4bd/0x1370 [ 76.449863][ T8416] ? __nla_parse+0x3d/0x50 [ 76.454306][ T8416] ? hash_ipmark6_list+0x1140/0x1140 [ 76.459595][ T8416] ip_set_create+0x782/0x15a0 [ 76.464428][ T8416] ? ip_set_sockfn_get+0xe60/0xe60 [ 76.469541][ T8416] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.475657][ T8416] ? __nla_parse+0x3d/0x50 [ 76.480088][ T8416] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 76.485157][ T8416] ? nfnetlink_net_init+0x380/0x380 [ 76.490356][ T8416] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 76.496102][ T8416] ? avc_has_extended_perms+0xee0/0xee0 [ 76.501702][ T8416] ? arch_stack_walk+0x93/0xe0 [ 76.506459][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.512730][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.519061][ T8416] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 76.525041][ T8416] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 76.530682][ T8416] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 76.536389][ T8416] netlink_rcv_skb+0x153/0x420 [ 76.541159][ T8416] ? nfnetlink_net_init+0x380/0x380 [ 76.546405][ T8416] ? netlink_ack+0xa60/0xa60 [ 76.551094][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.557384][ T8416] ? ns_capable+0xd9/0x100 [ 76.561924][ T8416] nfnetlink_rcv+0x1ac/0x420 [ 76.566527][ T8416] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 76.572597][ T8416] ? netlink_deliver_tap+0x1b1/0xc30 [ 76.577914][ T8416] netlink_unicast+0x533/0x7d0 [ 76.583141][ T8416] ? netlink_attachskb+0x890/0x890 [ 76.588272][ T8416] netlink_sendmsg+0x86d/0xdb0 [ 76.593404][ T8416] ? netlink_unicast+0x7d0/0x7d0 [ 76.598463][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.605227][ T8416] ? netlink_unicast+0x7d0/0x7d0 [ 76.610188][ T8416] sock_sendmsg+0xcf/0x120 [ 76.615062][ T8416] ____sys_sendmsg+0x6e8/0x810 [ 76.619852][ T8416] ? kernel_sendmsg+0x50/0x50 [ 76.625037][ T8416] ? do_recvmmsg+0x6d0/0x6d0 [ 76.629756][ T8416] ? rcu_read_lock_sched_held+0xd/0x70 [ 76.635604][ T8416] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 76.642282][ T8416] ? lock_downgrade+0x6e0/0x6e0 [ 76.647162][ T8416] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 76.653902][ T8416] ___sys_sendmsg+0xf3/0x170 [ 76.658516][ T8416] ? sendmsg_copy_msghdr+0x160/0x160 [ 76.664159][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.670420][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.677446][ T8416] ? __handle_mm_fault+0x621/0x5320 [ 76.683002][ T8416] ? vm_iomap_memory+0x190/0x190 [ 76.687959][ T8416] ? lock_release+0x720/0x720 [ 76.692937][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.699199][ T8416] ? __fget_light+0x215/0x280 [ 76.704175][ T8416] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.710621][ T8416] __sys_sendmsg+0xe5/0x1b0 [ 76.715454][ T8416] ? __sys_sendmsg_sock+0x30/0x30 [ 76.720667][ T8416] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.726866][ T8416] ? trace_hardirqs_on+0x5b/0x1c0 [ 76.731975][ T8416] do_syscall_64+0x35/0xb0 [ 76.736409][ T8416] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.742709][ T8416] RIP: 0033:0x43f039 [ 76.747158][ T8416] 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 [ 76.767178][ T8416] RSP: 002b:00007ffdcfb9e628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.775687][ T8416] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 76.783856][ T8416] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 76.792001][ T8416] RBP: 0000000000403020 R08: 0000000000000005 R09: 0000000000400488 [ 76.799981][ T8416] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004030b0 [ 76.808152][ T8416] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 76.816214][ T8416] Kernel panic - not syncing: panic_on_warn set ... [ 76.822804][ T8416] CPU: 1 PID: 8416 Comm: syz-executor566 Not tainted 5.14.0-syzkaller #0 [ 76.831384][ T8416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.842501][ T8416] Call Trace: [ 76.845811][ T8416] dump_stack_lvl+0xcd/0x134 [ 76.850397][ T8416] panic+0x2b0/0x6dd [ 76.854358][ T8416] ? __warn_printk+0xf3/0xf3 [ 76.858929][ T8416] ? __warn.cold+0x1a/0x44 [ 76.863350][ T8416] ? kvmalloc_node+0x111/0x120 [ 76.868201][ T8416] __warn.cold+0x35/0x44 [ 76.872433][ T8416] ? kvmalloc_node+0x111/0x120 [ 76.877187][ T8416] report_bug+0x1bd/0x210 [ 76.881642][ T8416] handle_bug+0x3c/0x60 [ 76.885849][ T8416] exc_invalid_op+0x14/0x40 [ 76.890480][ T8416] asm_exc_invalid_op+0x12/0x20 [ 76.895336][ T8416] RIP: 0010:kvmalloc_node+0x111/0x120 [ 76.900719][ T8416] 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 [ 76.920683][ T8416] RSP: 0018:ffffc90001cb7280 EFLAGS: 00010293 [ 76.926910][ T8416] RAX: 0000000000000000 RBX: ffffc90001cb73a0 RCX: 0000000000000000 [ 76.934872][ T8416] RDX: ffff8880292f8100 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 76.942834][ T8416] RBP: 0000000000400dc0 R08: 000000007fffffff R09: 000000000000001e [ 76.950963][ T8416] R10: ffffffff81a3f60e R11: 000000000000001f R12: 0000000200000018 [ 76.958920][ T8416] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888015dc1800 [ 76.966881][ T8416] ? kvmalloc_node+0xce/0x120 [ 76.971639][ T8416] ? kvmalloc_node+0x111/0x120 [ 76.976390][ T8416] hash_ipmark_create+0x4bd/0x1370 [ 76.981517][ T8416] ? __nla_parse+0x3d/0x50 [ 76.986028][ T8416] ? hash_ipmark6_list+0x1140/0x1140 [ 76.991307][ T8416] ip_set_create+0x782/0x15a0 [ 76.995982][ T8416] ? ip_set_sockfn_get+0xe60/0xe60 [ 77.001089][ T8416] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.007172][ T8416] ? __nla_parse+0x3d/0x50 [ 77.011578][ T8416] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 77.016587][ T8416] ? nfnetlink_net_init+0x380/0x380 [ 77.021855][ T8416] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 77.027570][ T8416] ? avc_has_extended_perms+0xee0/0xee0 [ 77.033112][ T8416] ? arch_stack_walk+0x93/0xe0 [ 77.037858][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.044083][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.050308][ T8416] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 77.056276][ T8416] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 77.061896][ T8416] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 77.067512][ T8416] netlink_rcv_skb+0x153/0x420 [ 77.072260][ T8416] ? nfnetlink_net_init+0x380/0x380 [ 77.077440][ T8416] ? netlink_ack+0xa60/0xa60 [ 77.082008][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.088243][ T8416] ? ns_capable+0xd9/0x100 [ 77.092653][ T8416] nfnetlink_rcv+0x1ac/0x420 [ 77.097228][ T8416] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 77.102674][ T8416] ? netlink_deliver_tap+0x1b1/0xc30 [ 77.108061][ T8416] netlink_unicast+0x533/0x7d0 [ 77.112823][ T8416] ? netlink_attachskb+0x890/0x890 [ 77.118113][ T8416] netlink_sendmsg+0x86d/0xdb0 [ 77.122899][ T8416] ? netlink_unicast+0x7d0/0x7d0 [ 77.128281][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.134783][ T8416] ? netlink_unicast+0x7d0/0x7d0 [ 77.139829][ T8416] sock_sendmsg+0xcf/0x120 [ 77.144237][ T8416] ____sys_sendmsg+0x6e8/0x810 [ 77.149004][ T8416] ? kernel_sendmsg+0x50/0x50 [ 77.153662][ T8416] ? do_recvmmsg+0x6d0/0x6d0 [ 77.158233][ T8416] ? rcu_read_lock_sched_held+0xd/0x70 [ 77.163675][ T8416] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 77.169824][ T8416] ? lock_downgrade+0x6e0/0x6e0 [ 77.174656][ T8416] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.180893][ T8416] ___sys_sendmsg+0xf3/0x170 [ 77.185467][ T8416] ? sendmsg_copy_msghdr+0x160/0x160 [ 77.190735][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.197491][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.203713][ T8416] ? __handle_mm_fault+0x621/0x5320 [ 77.208898][ T8416] ? vm_iomap_memory+0x190/0x190 [ 77.213817][ T8416] ? lock_release+0x720/0x720 [ 77.219688][ T8416] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.226014][ T8416] ? __fget_light+0x215/0x280 [ 77.230674][ T8416] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.236898][ T8416] __sys_sendmsg+0xe5/0x1b0 [ 77.241384][ T8416] ? __sys_sendmsg_sock+0x30/0x30 [ 77.246393][ T8416] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.252442][ T8416] ? trace_hardirqs_on+0x5b/0x1c0 [ 77.257485][ T8416] do_syscall_64+0x35/0xb0 [ 77.261886][ T8416] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.267763][ T8416] RIP: 0033:0x43f039 [ 77.271639][ T8416] 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 [ 77.291225][ T8416] RSP: 002b:00007ffdcfb9e628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.299627][ T8416] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 77.307577][ T8416] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 77.315527][ T8416] RBP: 0000000000403020 R08: 0000000000000005 R09: 0000000000400488 [ 77.323566][ T8416] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004030b0 [ 77.331517][ T8416] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 77.340990][ T8416] Kernel Offset: disabled [ 77.345315][ T8416] Rebooting in 86400 seconds..