[ 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 '10.128.0.209' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 83.643856][ T37] audit: type=1400 audit(1630669890.582:8): avc: denied { execmem } for pid=8433 comm="syz-executor003" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 83.648209][ T8433] ------------[ cut here ]------------ [ 83.670180][ T8433] WARNING: CPU: 0 PID: 8433 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 83.678623][ T8433] Modules linked in: [ 83.682519][ T8433] CPU: 0 PID: 8433 Comm: syz-executor003 Not tainted 5.14.0-syzkaller #0 [ 83.691352][ T8433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.701576][ T8433] RIP: 0010:kvmalloc_node+0x111/0x120 [ 83.707271][ T8433] 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 [ 83.727103][ T8433] RSP: 0018:ffffc9000c3b7330 EFLAGS: 00010293 [ 83.733176][ T8433] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.741276][ T8433] RDX: ffff888035750040 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 83.749408][ T8433] RBP: 0000000000000dc0 R08: 000000007fffffff R09: 0000000000000000 [ 83.757819][ T8433] R10: ffffffff81a3f60e R11: 0000000000000000 R12: 0000000400000108 [ 83.766017][ T8433] R13: 0000000000000000 R14: 00000000ffffffff R15: dffffc0000000000 [ 83.774023][ T8433] FS: 00000000005ca300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.783056][ T8433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.789690][ T8433] CR2: 00000000200001c0 CR3: 000000003bf26000 CR4: 00000000001506f0 [ 83.797999][ T8433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.806060][ T8433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.814080][ T8433] Call Trace: [ 83.817358][ T8433] nf_tables_newset+0x1512/0x3340 [ 83.822452][ T8433] ? __nla_validate_parse+0x2df/0x2410 [ 83.828019][ T8433] ? nft_set_elem_expr_alloc+0x280/0x280 [ 83.833705][ T8433] ? nla_get_range_signed+0x520/0x520 [ 83.839114][ T8433] ? lock_downgrade+0x6e0/0x6e0 [ 83.844149][ T8433] ? __nla_parse+0x3d/0x50 [ 83.848703][ T8433] nfnetlink_rcv_batch+0x1710/0x25f0 [ 83.854317][ T8433] ? nfnetlink_bind+0x300/0x300 [ 83.859183][ T8433] ? avc_has_extended_perms+0xee0/0xee0 [ 83.864840][ T8433] ? __kasan_kmalloc+0xa1/0xd0 [ 83.869614][ T8433] ? nla_get_range_signed+0x520/0x520 [ 83.875029][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 83.881476][ T8433] ? cap_capable+0x1f1/0x280 [ 83.886195][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 83.892618][ T8433] ? security_capable+0x8f/0xc0 [ 83.897688][ T8433] ? __nla_parse+0x3d/0x50 [ 83.902114][ T8433] nfnetlink_rcv+0x3af/0x420 [ 83.906744][ T8433] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 83.912210][ T8433] netlink_unicast+0x533/0x7d0 [ 83.917052][ T8433] ? netlink_attachskb+0x890/0x890 [ 83.922178][ T8433] netlink_sendmsg+0x86d/0xdb0 [ 83.927186][ T8433] ? netlink_unicast+0x7d0/0x7d0 [ 83.932141][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 83.938494][ T8433] ? netlink_unicast+0x7d0/0x7d0 [ 83.943460][ T8433] sock_sendmsg+0xcf/0x120 [ 83.947944][ T8433] ____sys_sendmsg+0x6e8/0x810 [ 83.952729][ T8433] ? kernel_sendmsg+0x50/0x50 [ 83.957473][ T8433] ? do_recvmmsg+0x6d0/0x6d0 [ 83.962077][ T8433] ? rcu_read_lock_sched_held+0xd/0x70 [ 83.967640][ T8433] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 83.973731][ T8433] ? lock_downgrade+0x6e0/0x6e0 [ 83.978723][ T8433] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 83.985217][ T8433] ___sys_sendmsg+0xf3/0x170 [ 83.989813][ T8433] ? sendmsg_copy_msghdr+0x160/0x160 [ 83.995235][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.001487][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.007786][ T8433] ? __handle_mm_fault+0x621/0x5320 [ 84.012993][ T8433] ? vm_iomap_memory+0x190/0x190 [ 84.017968][ T8433] ? lock_release+0x720/0x720 [ 84.022666][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.028938][ T8433] ? __fget_light+0x215/0x280 [ 84.033638][ T8433] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.039970][ T8433] __sys_sendmsg+0xe5/0x1b0 [ 84.044554][ T8433] ? __sys_sendmsg_sock+0x30/0x30 [ 84.049726][ T8433] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.055791][ T8433] ? trace_hardirqs_on+0x5b/0x1c0 [ 84.060828][ T8433] do_syscall_64+0x35/0xb0 [ 84.065281][ T8433] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.071265][ T8433] RIP: 0033:0x43ef29 [ 84.075388][ T8433] 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 [ 84.095188][ T8433] RSP: 002b:00007ffdb86eb928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.103868][ T8433] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef29 [ 84.112205][ T8433] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 84.120243][ T8433] RBP: 0000000000402f10 R08: 0000000000000000 R09: 0000000000400488 [ 84.128913][ T8433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402fa0 [ 84.137147][ T8433] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 84.145169][ T8433] Kernel panic - not syncing: panic_on_warn set ... [ 84.152038][ T8433] CPU: 0 PID: 8433 Comm: syz-executor003 Not tainted 5.14.0-syzkaller #0 [ 84.160441][ T8433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.170593][ T8433] Call Trace: [ 84.173980][ T8433] dump_stack_lvl+0xcd/0x134 [ 84.178578][ T8433] panic+0x2b0/0x6dd [ 84.182549][ T8433] ? __warn_printk+0xf3/0xf3 [ 84.187139][ T8433] ? __warn.cold+0x1a/0x44 [ 84.191588][ T8433] ? kvmalloc_node+0x111/0x120 [ 84.196374][ T8433] __warn.cold+0x35/0x44 [ 84.200982][ T8433] ? kvmalloc_node+0x111/0x120 [ 84.205774][ T8433] report_bug+0x1bd/0x210 [ 84.210208][ T8433] handle_bug+0x3c/0x60 [ 84.214372][ T8433] exc_invalid_op+0x14/0x40 [ 84.218871][ T8433] asm_exc_invalid_op+0x12/0x20 [ 84.223716][ T8433] RIP: 0010:kvmalloc_node+0x111/0x120 [ 84.229112][ T8433] 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 [ 84.248845][ T8433] RSP: 0018:ffffc9000c3b7330 EFLAGS: 00010293 [ 84.255097][ T8433] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.263084][ T8433] RDX: ffff888035750040 RSI: ffffffff81a3f651 RDI: 0000000000000003 [ 84.271152][ T8433] RBP: 0000000000000dc0 R08: 000000007fffffff R09: 0000000000000000 [ 84.279234][ T8433] R10: ffffffff81a3f60e R11: 0000000000000000 R12: 0000000400000108 [ 84.287203][ T8433] R13: 0000000000000000 R14: 00000000ffffffff R15: dffffc0000000000 [ 84.295191][ T8433] ? kvmalloc_node+0xce/0x120 [ 84.299864][ T8433] ? kvmalloc_node+0x111/0x120 [ 84.304625][ T8433] nf_tables_newset+0x1512/0x3340 [ 84.309673][ T8433] ? __nla_validate_parse+0x2df/0x2410 [ 84.315236][ T8433] ? nft_set_elem_expr_alloc+0x280/0x280 [ 84.320886][ T8433] ? nla_get_range_signed+0x520/0x520 [ 84.327010][ T8433] ? lock_downgrade+0x6e0/0x6e0 [ 84.331864][ T8433] ? __nla_parse+0x3d/0x50 [ 84.336361][ T8433] nfnetlink_rcv_batch+0x1710/0x25f0 [ 84.341642][ T8433] ? nfnetlink_bind+0x300/0x300 [ 84.346490][ T8433] ? avc_has_extended_perms+0xee0/0xee0 [ 84.352031][ T8433] ? __kasan_kmalloc+0xa1/0xd0 [ 84.356784][ T8433] ? nla_get_range_signed+0x520/0x520 [ 84.362144][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.368387][ T8433] ? cap_capable+0x1f1/0x280 [ 84.372977][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.379212][ T8433] ? security_capable+0x8f/0xc0 [ 84.384069][ T8433] ? __nla_parse+0x3d/0x50 [ 84.388527][ T8433] nfnetlink_rcv+0x3af/0x420 [ 84.393633][ T8433] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 84.399177][ T8433] netlink_unicast+0x533/0x7d0 [ 84.403944][ T8433] ? netlink_attachskb+0x890/0x890 [ 84.409060][ T8433] netlink_sendmsg+0x86d/0xdb0 [ 84.413920][ T8433] ? netlink_unicast+0x7d0/0x7d0 [ 84.418874][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.425110][ T8433] ? netlink_unicast+0x7d0/0x7d0 [ 84.430151][ T8433] sock_sendmsg+0xcf/0x120 [ 84.434563][ T8433] ____sys_sendmsg+0x6e8/0x810 [ 84.439406][ T8433] ? kernel_sendmsg+0x50/0x50 [ 84.444082][ T8433] ? do_recvmmsg+0x6d0/0x6d0 [ 84.448682][ T8433] ? rcu_read_lock_sched_held+0xd/0x70 [ 84.454159][ T8433] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 84.460354][ T8433] ? lock_downgrade+0x6e0/0x6e0 [ 84.465199][ T8433] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 84.471448][ T8433] ___sys_sendmsg+0xf3/0x170 [ 84.476053][ T8433] ? sendmsg_copy_msghdr+0x160/0x160 [ 84.481437][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.487865][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.494193][ T8433] ? __handle_mm_fault+0x621/0x5320 [ 84.499397][ T8433] ? vm_iomap_memory+0x190/0x190 [ 84.504333][ T8433] ? lock_release+0x720/0x720 [ 84.509118][ T8433] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.515368][ T8433] ? __fget_light+0x215/0x280 [ 84.520040][ T8433] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.526453][ T8433] __sys_sendmsg+0xe5/0x1b0 [ 84.531044][ T8433] ? __sys_sendmsg_sock+0x30/0x30 [ 84.536168][ T8433] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.542091][ T8433] ? trace_hardirqs_on+0x5b/0x1c0 [ 84.547110][ T8433] do_syscall_64+0x35/0xb0 [ 84.551523][ T8433] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.557410][ T8433] RIP: 0033:0x43ef29 [ 84.561295][ T8433] 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 [ 84.580894][ T8433] RSP: 002b:00007ffdb86eb928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.589300][ T8433] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef29 [ 84.597263][ T8433] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 84.605224][ T8433] RBP: 0000000000402f10 R08: 0000000000000000 R09: 0000000000400488 [ 84.613192][ T8433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402fa0 [ 84.621175][ T8433] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 84.630597][ T8433] Kernel Offset: disabled [ 84.635031][ T8433] Rebooting in 86400 seconds..