[ 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... [ 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 '10.128.0.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.297726][ T7277] netlink: 98586 bytes leftover after parsing attributes in process `syz-executor030'. [ 59.307713][ T7277] ------------[ cut here ]------------ [ 59.313166][ T7277] precision 33020 too large [ 59.313374][ T7277] WARNING: CPU: 1 PID: 7277 at lib/vsprintf.c:2471 set_precision+0x13a/0x170 [ 59.326607][ T7277] Kernel panic - not syncing: panic_on_warn set ... [ 59.333272][ T7277] CPU: 1 PID: 7277 Comm: syz-executor030 Not tainted 5.7.0-rc1-syzkaller #0 [ 59.341932][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.352021][ T7277] Call Trace: [ 59.355337][ T7277] dump_stack+0x188/0x20d [ 59.359669][ T7277] ? set_precision+0x50/0x170 [ 59.364345][ T7277] panic+0x2e3/0x75c [ 59.368230][ T7277] ? add_taint.cold+0x16/0x16 [ 59.372903][ T7277] ? __probe_kernel_read+0x188/0x1d0 [ 59.378183][ T7277] ? __warn.cold+0x14/0x35 [ 59.382603][ T7277] ? __warn+0xd5/0x1c8 [ 59.386690][ T7277] ? set_precision+0x13a/0x170 [ 59.391511][ T7277] __warn.cold+0x2f/0x35 [ 59.395927][ T7277] ? set_precision+0x13a/0x170 [ 59.400684][ T7277] report_bug+0x27b/0x2f0 [ 59.405001][ T7277] do_error_trap+0x12b/0x220 [ 59.409766][ T7277] ? set_precision+0x13a/0x170 [ 59.414524][ T7277] do_invalid_op+0x32/0x40 [ 59.418953][ T7277] ? set_precision+0x13a/0x170 [ 59.423716][ T7277] invalid_op+0x23/0x30 [ 59.427856][ T7277] RIP: 0010:set_precision+0x13a/0x170 [ 59.433223][ T7277] Code: b6 df 88 5d 07 5b 5d 41 5c 41 5d e9 30 30 c5 fd e8 2b 30 c5 fd 89 de 48 c7 c7 80 7d 75 88 c6 05 34 88 d6 06 01 e8 6e 65 96 fd <0f> 0b e9 67 ff ff ff be 08 00 00 00 48 89 ef e8 c2 f7 02 fe e9 14 [ 59.453345][ T7277] RSP: 0018:ffffc900015f72d8 EFLAGS: 00010286 [ 59.459408][ T7277] RAX: 0000000000000000 RBX: 00000000000080fc RCX: 0000000000000000 [ 59.467370][ T7277] RDX: 0000000000000000 RSI: ffffffff815ce521 RDI: fffff520002bee4d [ 59.475322][ T7277] RBP: ffffc900015f7368 R08: ffff88809128e400 R09: fffffbfff185cd43 [ 59.483280][ T7277] R10: ffffffff8c2e6a17 R11: fffffbfff185cd42 R12: 0000000000000000 [ 59.491583][ T7277] R13: ffffc900015f736f R14: 0000000000000018 R15: ffffc900015f7400 [ 59.499669][ T7277] ? vprintk_func+0x81/0x17e [ 59.504421][ T7277] ? set_precision+0x13a/0x170 [ 59.509478][ T7277] vsnprintf+0x894/0x14f0 [ 59.513822][ T7277] ? pointer+0x680/0x680 [ 59.518055][ T7277] ? __irq_work_queue_local+0x11d/0x180 [ 59.523604][ T7277] kvasprintf+0x9c/0x150 [ 59.527834][ T7277] ? bust_spinlocks+0xe0/0xe0 [ 59.532527][ T7277] ? vprintk_func+0x81/0x17e [ 59.537117][ T7277] kasprintf+0xbb/0xf0 [ 59.541192][ T7277] ? kvasprintf_const+0x190/0x190 [ 59.546212][ T7277] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 59.552019][ T7277] ? ___ratelimit+0x59/0x573 [ 59.556683][ T7277] ? __nla_validate_parse+0x156/0x1cd0 [ 59.562149][ T7277] hwsim_new_radio_nl+0x8db/0xf60 [ 59.567289][ T7277] ? mac80211_hwsim_new_radio+0x44a0/0x44a0 [ 59.573289][ T7277] ? cap_capable+0x1eb/0x250 [ 59.578155][ T7277] ? genl_family_rcv_msg_attrs_parse+0x1bd/0x320 [ 59.584490][ T7277] ? genl_family_rcv_msg_attrs_parse+0x1c7/0x320 [ 59.590829][ T7277] genl_rcv_msg+0x627/0xdf0 [ 59.595325][ T7277] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 59.601653][ T7277] ? mark_held_locks+0xe0/0xe0 [ 59.606413][ T7277] ? __netlink_lookup+0x3b9/0x730 [ 59.611438][ T7277] ? lock_acquire+0x1f2/0x8f0 [ 59.616117][ T7277] ? lock_release+0x800/0x800 [ 59.620996][ T7277] netlink_rcv_skb+0x15a/0x410 [ 59.625868][ T7277] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 59.635097][ T7277] ? netlink_ack+0xa10/0xa10 [ 59.639710][ T7277] genl_rcv+0x24/0x40 [ 59.643702][ T7277] netlink_unicast+0x537/0x740 [ 59.648591][ T7277] ? netlink_attachskb+0x810/0x810 [ 59.654415][ T7277] ? _copy_from_iter_full+0x25c/0x870 [ 59.659786][ T7277] ? __phys_addr_symbol+0x2c/0x70 [ 59.665020][ T7277] ? __check_object_size+0x171/0x437 [ 59.670417][ T7277] netlink_sendmsg+0x882/0xe10 [ 59.675165][ T7277] ? aa_af_perm+0x260/0x260 [ 59.679654][ T7277] ? netlink_unicast+0x740/0x740 [ 59.684607][ T7277] ? netlink_unicast+0x740/0x740 [ 59.689550][ T7277] sock_sendmsg+0xcf/0x120 [ 59.693957][ T7277] ____sys_sendmsg+0x6bf/0x7e0 [ 59.698957][ T7277] ? kernel_sendmsg+0x50/0x50 [ 59.703674][ T7277] ? lock_downgrade+0x840/0x840 [ 59.708621][ T7277] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.714179][ T7277] ___sys_sendmsg+0x100/0x170 [ 59.718845][ T7277] ? sendmsg_copy_msghdr+0x70/0x70 [ 59.724054][ T7277] ? mark_held_locks+0xe0/0xe0 [ 59.728810][ T7277] ? prep_transhuge_page+0xa0/0xa0 [ 59.733929][ T7277] ? pud_val+0x7c/0xf0 [ 59.737998][ T7277] ? pmd_val+0xf0/0xf0 [ 59.742103][ T7277] ? percpu_counter_add_batch+0x123/0x180 [ 59.747808][ T7277] ? find_held_lock+0x2d/0x110 [ 59.752595][ T7277] ? do_page_fault+0x59e/0x13da [ 59.757444][ T7277] ? vm_insert_pages+0x6a0/0x6a0 [ 59.762407][ T7277] ? lock_downgrade+0x840/0x840 [ 59.767262][ T7277] ? __fget_light+0x1ab/0x270 [ 59.772003][ T7277] __sys_sendmsg+0xec/0x1b0 [ 59.776518][ T7277] ? __sys_sendmsg_sock+0xb0/0xb0 [ 59.782010][ T7277] ? down_read_nested+0x420/0x420 [ 59.787023][ T7277] ? trace_hardirqs_off_caller+0x55/0x230 [ 59.792725][ T7277] ? do_syscall_64+0x21/0x7d0 [ 59.797394][ T7277] do_syscall_64+0xf6/0x7d0 [ 59.801885][ T7277] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.807772][ T7277] RIP: 0033:0x4401f9 [ 59.811757][ T7277] 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 [ 59.831605][ T7277] RSP: 002b:00007ffc6f0e26b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.840872][ T7277] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 59.848829][ T7277] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 59.856792][ T7277] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 59.865473][ T7277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 59.873619][ T7277] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 59.883159][ T7277] Kernel Offset: disabled [ 59.888524][ T7277] Rebooting in 86400 seconds..