[ 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 '10.128.10.35' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.943721][ T7100] netlink: 98586 bytes leftover after parsing attributes in process `syz-executor672'. [ 68.953655][ T7100] ------------[ cut here ]------------ [ 68.959109][ T7100] precision 33020 too large [ 68.959502][ T7100] WARNING: CPU: 0 PID: 7100 at lib/vsprintf.c:2471 set_precision+0x13a/0x170 [ 68.972722][ T7100] Kernel panic - not syncing: panic_on_warn set ... [ 68.979299][ T7100] CPU: 0 PID: 7100 Comm: syz-executor672 Not tainted 5.6.0-syzkaller #0 [ 68.987786][ T7100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.997817][ T7100] Call Trace: [ 69.001104][ T7100] dump_stack+0x188/0x20d [ 69.005429][ T7100] ? set_precision+0x130/0x170 [ 69.010220][ T7100] panic+0x2e3/0x75c [ 69.014106][ T7100] ? add_taint.cold+0x16/0x16 [ 69.018786][ T7100] ? __probe_kernel_read+0x188/0x1d0 [ 69.024051][ T7100] ? __warn.cold+0x14/0x35 [ 69.028446][ T7100] ? __warn+0xd5/0x1c8 [ 69.032584][ T7100] ? set_precision+0x13a/0x170 [ 69.037346][ T7100] __warn.cold+0x2f/0x35 [ 69.041571][ T7100] ? set_precision+0x13a/0x170 [ 69.046319][ T7100] report_bug+0x27b/0x2f0 [ 69.050632][ T7100] do_error_trap+0x12b/0x220 [ 69.055209][ T7100] ? set_precision+0x13a/0x170 [ 69.059954][ T7100] do_invalid_op+0x32/0x40 [ 69.064364][ T7100] ? set_precision+0x13a/0x170 [ 69.069110][ T7100] invalid_op+0x23/0x30 [ 69.073248][ T7100] RIP: 0010:set_precision+0x13a/0x170 [ 69.078600][ T7100] Code: b6 df 88 5d 07 5b 5d 41 5c 41 5d e9 a0 7f a9 f9 e8 9b 7f a9 f9 89 de 48 c7 c7 40 0d fc 88 c6 05 ef 81 ba 02 01 e8 ae b3 7a f9 <0f> 0b e9 67 ff ff ff be 08 00 00 00 48 89 ef e8 52 29 e7 f9 e9 14 [ 69.098182][ T7100] RSP: 0018:ffffc900016072d8 EFLAGS: 00010286 [ 69.104229][ T7100] RAX: 0000000000000000 RBX: 00000000000080fc RCX: 0000000000000000 [ 69.112178][ T7100] RDX: 0000000000000000 RSI: ffffffff815ce2b1 RDI: fffff520002c0e4d [ 69.120152][ T7100] RBP: ffffc90001607368 R08: ffff8880948ee1c0 R09: fffffbfff185b5b3 [ 69.128112][ T7100] R10: ffffffff8c2dad97 R11: fffffbfff185b5b2 R12: 0000000000000000 [ 69.136076][ T7100] R13: ffffc9000160736f R14: 0000000000000018 R15: ffffc90001607400 [ 69.144038][ T7100] ? vprintk_func+0x81/0x17e [ 69.148609][ T7100] ? set_precision+0x13a/0x170 [ 69.153350][ T7100] vsnprintf+0x894/0x14f0 [ 69.157661][ T7100] ? pointer+0x680/0x680 [ 69.161882][ T7100] ? __irq_work_queue_local+0x11d/0x180 [ 69.167426][ T7100] kvasprintf+0x9c/0x150 [ 69.171652][ T7100] ? bust_spinlocks+0xe0/0xe0 [ 69.176327][ T7100] ? vprintk_func+0x81/0x17e [ 69.181013][ T7100] kasprintf+0xbb/0xf0 [ 69.185078][ T7100] ? kvasprintf_const+0x190/0x190 [ 69.190101][ T7100] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 69.196153][ T7100] ? ___ratelimit+0x59/0x573 [ 69.200725][ T7100] ? __nla_validate_parse+0x156/0x1cd0 [ 69.206185][ T7100] hwsim_new_radio_nl+0x8db/0xf60 [ 69.211206][ T7100] ? mac80211_hwsim_new_radio+0x44a0/0x44a0 [ 69.217082][ T7100] ? cap_capable+0x1eb/0x250 [ 69.221654][ T7100] ? genl_family_rcv_msg_attrs_parse+0x1bd/0x320 [ 69.227956][ T7100] ? genl_family_rcv_msg_attrs_parse+0x1c7/0x320 [ 69.234349][ T7100] genl_rcv_msg+0x627/0xdf0 [ 69.238832][ T7100] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 69.245149][ T7100] ? mark_held_locks+0xe0/0xe0 [ 69.249906][ T7100] ? __netlink_lookup+0x3b9/0x730 [ 69.254922][ T7100] ? lock_acquire+0x1f2/0x8f0 [ 69.259596][ T7100] ? lock_release+0x800/0x800 [ 69.264260][ T7100] netlink_rcv_skb+0x15a/0x410 [ 69.269008][ T7100] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 69.275332][ T7100] ? netlink_ack+0xa10/0xa10 [ 69.279931][ T7100] genl_rcv+0x24/0x40 [ 69.283896][ T7100] netlink_unicast+0x537/0x740 [ 69.289600][ T7100] ? netlink_attachskb+0x810/0x810 [ 69.294694][ T7100] ? _copy_from_iter_full+0x25c/0x870 [ 69.300046][ T7100] ? __phys_addr_symbol+0x2c/0x70 [ 69.305051][ T7100] ? __check_object_size+0x171/0x437 [ 69.310327][ T7100] netlink_sendmsg+0x882/0xe10 [ 69.315073][ T7100] ? aa_af_perm+0x260/0x260 [ 69.320253][ T7100] ? netlink_unicast+0x740/0x740 [ 69.325194][ T7100] ? netlink_unicast+0x740/0x740 [ 69.330145][ T7100] sock_sendmsg+0xcf/0x120 [ 69.334735][ T7100] ____sys_sendmsg+0x6bf/0x7e0 [ 69.339481][ T7100] ? kernel_sendmsg+0x50/0x50 [ 69.344141][ T7100] ? lock_downgrade+0x840/0x840 [ 69.348972][ T7100] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.354504][ T7100] ___sys_sendmsg+0x100/0x170 [ 69.359162][ T7100] ? sendmsg_copy_msghdr+0x70/0x70 [ 69.364253][ T7100] ? check_irq_usage+0x1/0xbe0 [ 69.368996][ T7100] ? prep_transhuge_page+0xa0/0xa0 [ 69.374104][ T7100] ? pud_val+0x7c/0xf0 [ 69.378148][ T7100] ? pmd_val+0xf0/0xf0 [ 69.382195][ T7100] ? mark_held_locks+0xe0/0xe0 [ 69.386940][ T7100] ? find_held_lock+0x2d/0x110 [ 69.391681][ T7100] ? do_page_fault+0x59e/0x13da [ 69.396509][ T7100] ? apply_to_existing_page_range+0x40/0x40 [ 69.402385][ T7100] ? lock_downgrade+0x840/0x840 [ 69.407226][ T7100] ? __fget_light+0x1ab/0x270 [ 69.411887][ T7100] __sys_sendmsg+0xec/0x1b0 [ 69.416381][ T7100] ? __sys_sendmsg_sock+0xb0/0xb0 [ 69.421383][ T7100] ? down_read_nested+0x420/0x420 [ 69.426392][ T7100] ? trace_hardirqs_off_caller+0x55/0x230 [ 69.432091][ T7100] ? do_syscall_64+0x21/0x7d0 [ 69.436747][ T7100] do_syscall_64+0xf6/0x7d0 [ 69.441232][ T7100] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 69.447101][ T7100] RIP: 0033:0x4401f9 [ 69.450973][ T7100] 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 [ 69.470606][ T7100] RSP: 002b:00007ffff9f2d618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.479000][ T7100] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 69.487056][ T7100] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 69.495028][ T7100] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 69.502990][ T7100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 69.510947][ T7100] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 69.520436][ T7100] Kernel Offset: disabled [ 69.526824][ T7100] Rebooting in 86400 seconds..