[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 61.056862][ T7036] netlink: 98586 bytes leftover after parsing attributes in process `syz-executor937'. [ 61.066779][ T7036] ------------[ cut here ]------------ [ 61.073441][ T7036] precision 33020 too large [ 61.073850][ T7036] WARNING: CPU: 0 PID: 7036 at lib/vsprintf.c:2471 set_precision+0x13a/0x170 [ 61.087079][ T7036] Kernel panic - not syncing: panic_on_warn set ... [ 61.093664][ T7036] CPU: 0 PID: 7036 Comm: syz-executor937 Not tainted 5.6.0-syzkaller #0 [ 61.101967][ T7036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.112000][ T7036] Call Trace: [ 61.115289][ T7036] dump_stack+0x188/0x20d [ 61.119604][ T7036] ? set_precision+0xb0/0x170 [ 61.124278][ T7036] panic+0x2e3/0x75c [ 61.128154][ T7036] ? add_taint.cold+0x16/0x16 [ 61.132818][ T7036] ? __probe_kernel_read+0x188/0x1d0 [ 61.138097][ T7036] ? __warn.cold+0x14/0x35 [ 61.142495][ T7036] ? __warn+0xd5/0x1c8 [ 61.146546][ T7036] ? set_precision+0x13a/0x170 [ 61.151289][ T7036] __warn.cold+0x2f/0x35 [ 61.155509][ T7036] ? set_precision+0x13a/0x170 [ 61.160254][ T7036] report_bug+0x27b/0x2f0 [ 61.164566][ T7036] do_error_trap+0x12b/0x220 [ 61.169161][ T7036] ? set_precision+0x13a/0x170 [ 61.173908][ T7036] do_invalid_op+0x32/0x40 [ 61.178319][ T7036] ? set_precision+0x13a/0x170 [ 61.183062][ T7036] invalid_op+0x23/0x30 [ 61.187210][ T7036] RIP: 0010:set_precision+0x13a/0x170 [ 61.192560][ T7036] Code: b6 df 88 5d 07 5b 5d 41 5c 41 5d e9 20 7f a9 f9 e8 1b 7f a9 f9 89 de 48 c7 c7 40 0d fc 88 c6 05 6f 81 ba 02 01 e8 2e b3 7a f9 <0f> 0b e9 67 ff ff ff be 08 00 00 00 48 89 ef e8 d2 28 e7 f9 e9 14 [ 61.212144][ T7036] RSP: 0018:ffffc90000f172d8 EFLAGS: 00010286 [ 61.218200][ T7036] RAX: 0000000000000000 RBX: 00000000000080fc RCX: 0000000000000000 [ 61.226161][ T7036] RDX: 0000000000000000 RSI: ffffffff815ce2b1 RDI: fffff520001e2e4d [ 61.234113][ T7036] RBP: ffffc90000f17368 R08: ffff8880a80ec340 R09: fffffbfff185b5b3 [ 61.242079][ T7036] R10: ffffffff8c2dad97 R11: fffffbfff185b5b2 R12: 0000000000000000 [ 61.250118][ T7036] R13: ffffc90000f1736f R14: 0000000000000018 R15: ffffc90000f17400 [ 61.258209][ T7036] ? vprintk_func+0x81/0x17e [ 61.262813][ T7036] ? set_precision+0x13a/0x170 [ 61.267776][ T7036] vsnprintf+0x894/0x14f0 [ 61.272156][ T7036] ? pointer+0x680/0x680 [ 61.276388][ T7036] ? __irq_work_queue_local+0x11d/0x180 [ 61.281925][ T7036] kvasprintf+0x9c/0x150 [ 61.286304][ T7036] ? bust_spinlocks+0xe0/0xe0 [ 61.290975][ T7036] ? vprintk_func+0x81/0x17e [ 61.295556][ T7036] kasprintf+0xbb/0xf0 [ 61.299614][ T7036] ? kvasprintf_const+0x190/0x190 [ 61.304622][ T7036] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 61.310412][ T7036] ? ___ratelimit+0x59/0x573 [ 61.315002][ T7036] ? __nla_validate_parse+0x156/0x1cd0 [ 61.320455][ T7036] hwsim_new_radio_nl+0x8db/0xf60 [ 61.325511][ T7036] ? mac80211_hwsim_new_radio+0x44a0/0x44a0 [ 61.331507][ T7036] ? cap_capable+0x1eb/0x250 [ 61.336094][ T7036] ? genl_family_rcv_msg_attrs_parse+0x1bd/0x320 [ 61.342416][ T7036] ? genl_family_rcv_msg_attrs_parse+0x1c7/0x320 [ 61.348740][ T7036] genl_rcv_msg+0x627/0xdf0 [ 61.353242][ T7036] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 61.359780][ T7036] ? mark_held_locks+0xe0/0xe0 [ 61.364547][ T7036] ? __netlink_lookup+0x3b9/0x730 [ 61.369572][ T7036] ? lock_acquire+0x1f2/0x8f0 [ 61.374233][ T7036] ? lock_release+0x800/0x800 [ 61.378904][ T7036] netlink_rcv_skb+0x15a/0x410 [ 61.383660][ T7036] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 61.390343][ T7036] ? netlink_ack+0xa10/0xa10 [ 61.394920][ T7036] genl_rcv+0x24/0x40 [ 61.398890][ T7036] netlink_unicast+0x537/0x740 [ 61.403663][ T7036] ? netlink_attachskb+0x810/0x810 [ 61.409159][ T7036] ? _copy_from_iter_full+0x25c/0x870 [ 61.414528][ T7036] ? __phys_addr_symbol+0x2c/0x70 [ 61.419545][ T7036] ? __check_object_size+0x171/0x437 [ 61.424838][ T7036] netlink_sendmsg+0x882/0xe10 [ 61.429739][ T7036] ? aa_af_perm+0x260/0x260 [ 61.434241][ T7036] ? netlink_unicast+0x740/0x740 [ 61.439184][ T7036] ? netlink_unicast+0x740/0x740 [ 61.444178][ T7036] sock_sendmsg+0xcf/0x120 [ 61.448792][ T7036] ____sys_sendmsg+0x6bf/0x7e0 [ 61.453553][ T7036] ? kernel_sendmsg+0x50/0x50 [ 61.458223][ T7036] ? lock_downgrade+0x840/0x840 [ 61.463059][ T7036] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.468618][ T7036] ___sys_sendmsg+0x100/0x170 [ 61.473299][ T7036] ? sendmsg_copy_msghdr+0x70/0x70 [ 61.478409][ T7036] ? check_irq_usage+0x1/0xbe0 [ 61.483175][ T7036] ? prep_transhuge_page+0xa0/0xa0 [ 61.488268][ T7036] ? pud_val+0x7c/0xf0 [ 61.492333][ T7036] ? pmd_val+0xf0/0xf0 [ 61.496388][ T7036] ? mark_held_locks+0xe0/0xe0 [ 61.501136][ T7036] ? find_held_lock+0x2d/0x110 [ 61.505880][ T7036] ? do_page_fault+0x59e/0x13da [ 61.510725][ T7036] ? apply_to_existing_page_range+0x40/0x40 [ 61.516626][ T7036] ? lock_downgrade+0x840/0x840 [ 61.521468][ T7036] ? __fget_light+0x1ab/0x270 [ 61.526140][ T7036] __sys_sendmsg+0xec/0x1b0 [ 61.530627][ T7036] ? __sys_sendmsg_sock+0xb0/0xb0 [ 61.535666][ T7036] ? down_read_nested+0x420/0x420 [ 61.540932][ T7036] ? trace_hardirqs_off_caller+0x55/0x230 [ 61.547355][ T7036] ? do_syscall_64+0x21/0x7d0 [ 61.552142][ T7036] do_syscall_64+0xf6/0x7d0 [ 61.556646][ T7036] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.562746][ T7036] RIP: 0033:0x4401f9 [ 61.566628][ T7036] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.586379][ T7036] RSP: 002b:00007ffe3ee7cc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.594777][ T7036] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 61.602754][ T7036] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 61.610943][ T7036] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 61.619016][ T7036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 61.626976][ T7036] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 61.636484][ T7036] Kernel Offset: disabled [ 61.640886][ T7036] Rebooting in 86400 seconds..