Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.971010][ T7038] netlink: 98586 bytes leftover after parsing attributes in process `syz-executor553'. [ 58.980924][ T7038] ------------[ cut here ]------------ [ 58.986881][ T7038] precision 33020 too large [ 58.987438][ T7038] WARNING: CPU: 1 PID: 7038 at lib/vsprintf.c:2471 set_precision+0x13a/0x170 [ 59.000675][ T7038] Kernel panic - not syncing: panic_on_warn set ... [ 59.007238][ T7038] CPU: 1 PID: 7038 Comm: syz-executor553 Not tainted 5.6.0-syzkaller #0 [ 59.015675][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.025704][ T7038] Call Trace: [ 59.028971][ T7038] dump_stack+0x188/0x20d [ 59.033289][ T7038] ? set_precision+0xc0/0x170 [ 59.037953][ T7038] panic+0x2e3/0x75c [ 59.041842][ T7038] ? add_taint.cold+0x16/0x16 [ 59.046517][ T7038] ? __probe_kernel_read+0x188/0x1d0 [ 59.051815][ T7038] ? __warn.cold+0x14/0x35 [ 59.056208][ T7038] ? __warn+0xd5/0x1c8 [ 59.060253][ T7038] ? set_precision+0x13a/0x170 [ 59.065001][ T7038] __warn.cold+0x2f/0x35 [ 59.069222][ T7038] ? set_precision+0x13a/0x170 [ 59.073964][ T7038] report_bug+0x27b/0x2f0 [ 59.078282][ T7038] do_error_trap+0x12b/0x220 [ 59.083111][ T7038] ? set_precision+0x13a/0x170 [ 59.087881][ T7038] do_invalid_op+0x32/0x40 [ 59.092319][ T7038] ? set_precision+0x13a/0x170 [ 59.097067][ T7038] invalid_op+0x23/0x30 [ 59.101201][ T7038] RIP: 0010:set_precision+0x13a/0x170 [ 59.106551][ T7038] Code: b6 df 88 5d 07 5b 5d 41 5c 41 5d e9 30 84 a9 f9 e8 2b 84 a9 f9 89 de 48 c7 c7 a0 0c fc 88 c6 05 de 85 ba 02 01 e8 3e b8 7a f9 <0f> 0b e9 67 ff ff ff be 08 00 00 00 48 89 ef e8 e2 2d e7 f9 e9 14 [ 59.126130][ T7038] RSP: 0018:ffffc900015d72d8 EFLAGS: 00010286 [ 59.132168][ T7038] RAX: 0000000000000000 RBX: 00000000000080fc RCX: 0000000000000000 [ 59.140113][ T7038] RDX: 0000000000000000 RSI: ffffffff815ce2b1 RDI: fffff520002bae4d [ 59.148071][ T7038] RBP: ffffc900015d7368 R08: ffff8880939102c0 R09: fffffbfff185b5b3 [ 59.156020][ T7038] R10: ffffffff8c2dad97 R11: fffffbfff185b5b2 R12: 0000000000000000 [ 59.163968][ T7038] R13: ffffc900015d736f R14: 0000000000000018 R15: ffffc900015d7400 [ 59.171932][ T7038] ? vprintk_func+0x81/0x17e [ 59.176508][ T7038] ? set_precision+0x13a/0x170 [ 59.181262][ T7038] vsnprintf+0x894/0x14f0 [ 59.185592][ T7038] ? pointer+0x680/0x680 [ 59.189812][ T7038] ? __irq_work_queue_local+0x11d/0x180 [ 59.195338][ T7038] kvasprintf+0x9c/0x150 [ 59.199555][ T7038] ? bust_spinlocks+0xe0/0xe0 [ 59.204210][ T7038] ? vprintk_func+0x81/0x17e [ 59.208777][ T7038] kasprintf+0xbb/0xf0 [ 59.212929][ T7038] ? kvasprintf_const+0x190/0x190 [ 59.217932][ T7038] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 59.223721][ T7038] ? ___ratelimit+0x59/0x573 [ 59.228289][ T7038] ? __nla_validate_parse+0x156/0x1cd0 [ 59.233794][ T7038] hwsim_new_radio_nl+0x8db/0xf60 [ 59.238796][ T7038] ? mac80211_hwsim_new_radio+0x44a0/0x44a0 [ 59.244663][ T7038] ? cap_capable+0x1eb/0x250 [ 59.249246][ T7038] ? genl_family_rcv_msg_attrs_parse+0x1bd/0x320 [ 59.255545][ T7038] ? genl_family_rcv_msg_attrs_parse+0x1c7/0x320 [ 59.261854][ T7038] genl_rcv_msg+0x627/0xdf0 [ 59.266350][ T7038] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 59.272657][ T7038] ? mark_held_locks+0xe0/0xe0 [ 59.277401][ T7038] ? __netlink_lookup+0x3b9/0x730 [ 59.282407][ T7038] ? lock_acquire+0x1f2/0x8f0 [ 59.287062][ T7038] ? lock_release+0x800/0x800 [ 59.291718][ T7038] netlink_rcv_skb+0x15a/0x410 [ 59.296496][ T7038] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 59.302812][ T7038] ? netlink_ack+0xa10/0xa10 [ 59.307427][ T7038] genl_rcv+0x24/0x40 [ 59.311389][ T7038] netlink_unicast+0x537/0x740 [ 59.316158][ T7038] ? netlink_attachskb+0x810/0x810 [ 59.321281][ T7038] ? _copy_from_iter_full+0x25c/0x870 [ 59.326652][ T7038] ? __phys_addr_symbol+0x2c/0x70 [ 59.331663][ T7038] ? __check_object_size+0x171/0x437 [ 59.336942][ T7038] netlink_sendmsg+0x882/0xe10 [ 59.341689][ T7038] ? aa_af_perm+0x260/0x260 [ 59.346170][ T7038] ? netlink_unicast+0x740/0x740 [ 59.351090][ T7038] ? netlink_unicast+0x740/0x740 [ 59.356007][ T7038] sock_sendmsg+0xcf/0x120 [ 59.360405][ T7038] ____sys_sendmsg+0x6bf/0x7e0 [ 59.365155][ T7038] ? kernel_sendmsg+0x50/0x50 [ 59.369830][ T7038] ? lock_downgrade+0x840/0x840 [ 59.374670][ T7038] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.380214][ T7038] ___sys_sendmsg+0x100/0x170 [ 59.384912][ T7038] ? sendmsg_copy_msghdr+0x70/0x70 [ 59.390007][ T7038] ? check_irq_usage+0x1/0xbe0 [ 59.394750][ T7038] ? prep_transhuge_page+0xa0/0xa0 [ 59.399836][ T7038] ? pud_val+0x7c/0xf0 [ 59.403882][ T7038] ? pmd_val+0xf0/0xf0 [ 59.407927][ T7038] ? mark_held_locks+0xe0/0xe0 [ 59.412680][ T7038] ? find_held_lock+0x2d/0x110 [ 59.417423][ T7038] ? do_page_fault+0x59e/0x13da [ 59.422257][ T7038] ? apply_to_existing_page_range+0x40/0x40 [ 59.428129][ T7038] ? lock_downgrade+0x840/0x840 [ 59.432974][ T7038] ? __fget_light+0x1ab/0x270 [ 59.437655][ T7038] __sys_sendmsg+0xec/0x1b0 [ 59.442136][ T7038] ? __sys_sendmsg_sock+0xb0/0xb0 [ 59.447140][ T7038] ? down_read_nested+0x420/0x420 [ 59.452153][ T7038] ? trace_hardirqs_off_caller+0x55/0x230 [ 59.457870][ T7038] ? do_syscall_64+0x21/0x7d0 [ 59.462529][ T7038] do_syscall_64+0xf6/0x7d0 [ 59.467013][ T7038] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.472883][ T7038] RIP: 0033:0x4401f9 [ 59.476755][ T7038] 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 [ 59.496517][ T7038] RSP: 002b:00007ffed57264f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.504919][ T7038] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 59.512866][ T7038] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 59.520818][ T7038] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 59.528816][ T7038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 59.536773][ T7038] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 59.546025][ T7038] Kernel Offset: disabled [ 59.550398][ T7038] Rebooting in 86400 seconds..