[ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.546841][ T6998] netlink: 98586 bytes leftover after parsing attributes in process `syz-executor425'. [ 41.556813][ T6998] ------------[ cut here ]------------ [ 41.563641][ T6998] precision 33020 too large [ 41.563826][ T6998] WARNING: CPU: 1 PID: 6998 at lib/vsprintf.c:2471 vsnprintf+0x1467/0x1aa0 [ 41.577003][ T6998] Kernel panic - not syncing: panic_on_warn set ... [ 41.583845][ T6998] CPU: 1 PID: 6998 Comm: syz-executor425 Not tainted 5.6.0-syzkaller #0 [ 41.592289][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.602449][ T6998] Call Trace: [ 41.605728][ T6998] dump_stack+0x1e9/0x30e [ 41.610040][ T6998] panic+0x264/0x7a0 [ 41.613938][ T6998] ? __warn+0x102/0x210 [ 41.618097][ T6998] ? vsnprintf+0x1467/0x1aa0 [ 41.622680][ T6998] __warn+0x209/0x210 [ 41.626663][ T6998] ? vsnprintf+0x1467/0x1aa0 [ 41.631227][ T6998] report_bug+0x1ac/0x2d0 [ 41.635545][ T6998] do_error_trap+0xca/0x1c0 [ 41.640141][ T6998] do_invalid_op+0x32/0x40 [ 41.644539][ T6998] ? vsnprintf+0x1467/0x1aa0 [ 41.649149][ T6998] invalid_op+0x23/0x30 [ 41.653305][ T6998] RIP: 0010:vsnprintf+0x1467/0x1aa0 [ 41.658502][ T6998] Code: a6 bb fd 48 8d 5c 24 48 e9 8e fc ff ff e8 01 a6 bb fd c6 05 bf 06 b0 05 01 48 c7 c7 c1 d3 f2 88 44 89 fe 31 c0 e8 29 ba 8d fd <0f> 0b e9 b7 f6 ff ff e8 dd a5 bb fd c6 05 9a 06 b0 05 01 48 c7 c7 [ 41.678108][ T6998] RSP: 0018:ffffc90001647780 EFLAGS: 00010246 [ 41.684173][ T6998] RAX: 2f9f2ace1f35b900 RBX: ffffc900016477c8 RCX: ffff88809d86c2c0 [ 41.692127][ T6998] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 41.700257][ T6998] RBP: 80fc0000ffffff02 R08: dffffc0000000000 R09: fffffbfff1628ea5 [ 41.708292][ T6998] R10: fffffbfff1628ea5 R11: 0000000000000000 R12: dffffc0000000000 [ 41.716265][ T6998] R13: 0000000000000000 R14: ffffffff88ea3058 R15: 00000000000080fc [ 41.724514][ T6998] kvasprintf+0x59/0xf0 [ 41.728657][ T6998] kasprintf+0x6a/0x90 [ 41.732704][ T6998] ? hwsim_new_radio_nl+0x6a3/0xf30 [ 41.737882][ T6998] hwsim_new_radio_nl+0x95c/0xf30 [ 41.742902][ T6998] genl_rcv_msg+0x1054/0x1530 [ 41.747579][ T6998] ? netlink_deliver_tap+0x7c0/0x810 [ 41.752857][ T6998] netlink_rcv_skb+0x190/0x3a0 [ 41.757605][ T6998] ? genl_unbind+0x270/0x270 [ 41.762245][ T6998] genl_rcv+0x24/0x40 [ 41.766261][ T6998] netlink_unicast+0x786/0x940 [ 41.771086][ T6998] netlink_sendmsg+0xa57/0xd70 [ 41.776087][ T6998] ? netlink_getsockopt+0x9e0/0x9e0 [ 41.781302][ T6998] ____sys_sendmsg+0x4f9/0x7c0 [ 41.786051][ T6998] ? import_iovec+0x12a/0x2c0 [ 41.790820][ T6998] __sys_sendmsg+0x2a6/0x360 [ 41.795511][ T6998] ? __up_read+0x1f1/0x6e0 [ 41.799943][ T6998] ? check_preemption_disabled+0xb0/0x240 [ 41.805658][ T6998] ? debug_smp_processor_id+0x5/0x20 [ 41.810959][ T6998] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 41.816652][ T6998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xb3 [ 41.822760][ T6998] do_syscall_64+0xf3/0x1b0 [ 41.827251][ T6998] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 41.833140][ T6998] RIP: 0033:0x4401f9 [ 41.837014][ T6998] 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 [ 41.856610][ T6998] RSP: 002b:00007ffecc373af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.865014][ T6998] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 41.872971][ T6998] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 41.880953][ T6998] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 41.888968][ T6998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 41.896933][ T6998] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 41.906934][ T6998] Kernel Offset: disabled [ 41.911472][ T6998] Rebooting in 86400 seconds..