Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.590934] [ 36.592652] ********************************************************** [ 36.599555] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 36.606438] ** ** [ 36.613096] ** trace_printk() being used. Allocating extra memory. ** [ 36.620067] ** ** [ 36.626774] ** This means that this is a DEBUG kernel and it is ** [ 36.633571] ** unsafe for production use. ** [ 36.640230] ** ** [ 36.646986] ** If you see this message and you are not debugging ** [ 36.653684] ** the kernel, report this immediately to your vendor! ** [ 36.660350] ** ** [ 36.667050] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 36.673743] ********************************************************** [ 36.688891] ------------[ cut here ]------------ [ 36.693782] Please remove unsupported % in format string [ 36.699635] WARNING: CPU: 0 PID: 5674 at lib/vsprintf.c:2152 format_decode+0x8fc/0xaf0 [ 36.708280] Kernel panic - not syncing: panic_on_warn set ... [ 36.714156] CPU: 0 PID: 5674 Comm: syz-executor120 Not tainted 4.20.0-rc1+ #107 [ 36.721607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.730962] Call Trace: [ 36.733543] dump_stack+0x244/0x39d [ 36.737157] ? dump_stack_print_info.cold.1+0x20/0x20 [ 36.742341] panic+0x2ad/0x55c [ 36.745520] ? add_taint.cold.5+0x16/0x16 [ 36.749655] ? __warn.cold.8+0x5/0x45 [ 36.753436] ? __warn+0xe8/0x1d0 [ 36.756792] ? format_decode+0x8fc/0xaf0 [ 36.760836] __warn.cold.8+0x20/0x45 [ 36.764535] ? rcu_softirq_qs+0x20/0x20 [ 36.768493] ? format_decode+0x8fc/0xaf0 [ 36.772539] report_bug+0x254/0x2d0 [ 36.776155] do_error_trap+0x11b/0x200 [ 36.780032] do_invalid_op+0x36/0x40 [ 36.783731] ? format_decode+0x8fc/0xaf0 [ 36.787774] invalid_op+0x14/0x20 [ 36.791218] RIP: 0010:format_decode+0x8fc/0xaf0 [ 36.795889] Code: e8 19 39 b5 f9 41 c6 45 00 12 e9 9b fd ff ff e8 0a 39 b5 f9 0f be f3 48 c7 c7 c0 f1 d5 88 c6 05 22 0a 47 02 01 e8 c4 9a 7e f9 <0f> 0b 4d 8b 66 c0 e9 59 fe ff ff 48 8b bd 70 ff ff ff e8 bd 85 f8 [ 36.814782] RSP: 0018:ffff8801bf15f670 EFLAGS: 00010286 [ 36.820131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 36.827398] RDX: 0000000000000000 RSI: ffffffff8165e9b5 RDI: 0000000000000005 [ 36.834661] RBP: ffff8801bf15f718 R08: ffff8801d2c64180 R09: ffffed003b5c3ef8 [ 36.841929] R10: ffffed003b5c3ef8 R11: ffff8801dae1f7c7 R12: ffff8801bf15faec [ 36.849188] R13: ffff8801bf15f790 R14: ffff8801bf15f6f0 R15: 0000000000000000 [ 36.856460] ? vprintk_func+0x85/0x181 [ 36.860359] ? enable_ptr_key_workfn+0x30/0x30 [ 36.864933] ? trace_hardirqs_off_caller+0x310/0x310 [ 36.870027] vsnprintf+0x185/0x1b60 [ 36.873644] ? pointer+0x900/0x900 [ 36.877176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.882707] ? check_preemption_disabled+0x48/0x280 [ 36.887719] vscnprintf+0x2d/0x80 [ 36.891159] __trace_array_vprintk.part.59+0x5b/0x2f0 [ 36.896338] ? trace_hardirqs_off_caller+0x310/0x310 [ 36.901437] trace_vprintk+0x71/0x90 [ 36.905238] __trace_printk+0xce/0x120 [ 36.909121] ? __trace_bprintk+0x120/0x120 [ 36.913348] ? bpf_test_run+0x175/0x780 [ 36.917323] ? lock_downgrade+0x900/0x900 [ 36.921462] bpf_trace_printk+0xb30/0xc50 [ 36.925596] ? bpf_test_run+0x22b/0x780 [ 36.929557] ? bpf_probe_read_str+0x60/0x60 [ 36.933861] ? bpf_test_run+0x3cb/0x780 [ 36.937826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.943350] ? check_preemption_disabled+0x48/0x280 [ 36.948355] ? kasan_check_read+0x11/0x20 [ 36.952485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 36.957757] ? rcu_softirq_qs+0x20/0x20 [ 36.961716] ? bpf_cgroup_storage_release+0x220/0x220 [ 36.966894] bpf_prog_12183cdb1cd51dab+0xb8d/0x1000 [ 36.971898] ? bpf_test_run+0x25d/0x780 [ 36.975862] ? netlink_diag_dump+0x2a0/0x2a0 [ 36.980255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.985781] ? bpf_test_init.isra.10+0x70/0x100 [ 36.990437] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 36.995186] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 37.000013] ? bpf_prog_add+0x69/0xd0 [ 37.004257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.009791] ? __bpf_prog_get+0x9b/0x290 [ 37.013841] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 37.018665] ? bpf_prog_test_run+0x130/0x1a0 [ 37.023058] ? __x64_sys_bpf+0x3d8/0x520 [ 37.027105] ? bpf_prog_get+0x20/0x20 [ 37.030915] ? do_syscall_64+0x1b9/0x820 [ 37.034960] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.040307] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.045222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.050226] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.055229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.060229] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.065234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.070080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.076731] Kernel Offset: disabled [ 37.080417] Rebooting in 86400 seconds..