[ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ 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... [ 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 '10.128.1.1' (ECDSA) to the list of known hosts. syzkaller login: [ 68.336638][ T8430] ------------[ cut here ]------------ [ 68.342808][ T8430] raw_local_irq_restore() called with IRQs enabled [ 68.350231][ T8430] WARNING: CPU: 1 PID: 8430 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 68.361008][ T8430] Modules linked in: [ 68.365012][ T8430] CPU: 1 PID: 8430 Comm: syz-execprog Not tainted 5.12.0-rc2-syzkaller #0 [ 68.373532][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.383698][ T8430] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 68.389800][ T8430] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 1e 2f ac 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 0d 2f ac 04 01 e8 dd d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 68.410076][ T8430] RSP: 0000:ffffc90001c9fac8 EFLAGS: 00010282 [ 68.416286][ T8430] RAX: 0000000000000000 RBX: ffff888023e08180 RCX: 0000000000000000 [ 68.424376][ T8430] RDX: ffff888011b40000 RSI: ffffffff815c3c85 RDI: fffff52000393f4b [ 68.432729][ T8430] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 68.440856][ T8430] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 68.449030][ T8430] R13: ffffed10047c1030 R14: 0000000000000001 R15: ffff8880b9d35f80 [ 68.457123][ T8430] FS: 00000000016b3df0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.466210][ T8430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.472816][ T8430] CR2: 000000c0006ffcd0 CR3: 0000000012e24000 CR4: 00000000001506e0 [ 68.480887][ T8430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.488997][ T8430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.497086][ T8430] Call Trace: [ 68.500381][ T8430] kvm_wait+0xc9/0xe0 [ 68.504381][ T8430] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 68.510549][ T8430] ? pv_hash+0x100/0x100 [ 68.514905][ T8430] ? lock_release+0x720/0x720 [ 68.519616][ T8430] do_raw_spin_lock+0x200/0x2b0 [ 68.524478][ T8430] ? rwlock_bug.part.0+0x90/0x90 [ 68.529520][ T8430] huge_pmd_set_accessed+0x103/0x320 [ 68.534915][ T8430] ? huge_pud_set_accessed+0x300/0x300 [ 68.540426][ T8430] ? mark_lock+0xef/0x17b0 [ 68.544947][ T8430] ? __lock_acquire+0x16b3/0x54c0 [ 68.550022][ T8430] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.556119][ T8430] __handle_mm_fault+0xeeb/0x4f70 [ 68.561177][ T8430] ? vm_iomap_memory+0x190/0x190 [ 68.566221][ T8430] handle_mm_fault+0x1bc/0x7e0 [ 68.571026][ T8430] do_user_addr_fault+0x483/0x1210 [ 68.576251][ T8430] exc_page_fault+0x9e/0x180 [ 68.580873][ T8430] ? asm_exc_page_fault+0x8/0x30 [ 68.585939][ T8430] asm_exc_page_fault+0x1e/0x30 [ 68.590821][ T8430] RIP: 0033:0x46b8c7 [ 68.594828][ T8430] Code: c3 c3 66 89 07 66 89 44 1f fe c3 89 07 89 44 1f fc c3 48 89 07 c3 48 89 07 48 89 44 1f f8 c3 f3 0f 7f 07 f3 0f 7f 44 1f f0 c3 0f 7f 07 f3 0f 7f 47 10 f3 0f 7f 44 1f e0 f3 0f 7f 44 1f f0 c3 [ 68.614662][ T8430] RSP: 002b:000000c0002bf9b8 EFLAGS: 00010287 [ 68.620885][ T8430] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000050 [ 68.629003][ T8430] RDX: 0000000000000030 RSI: 0000000000000000 RDI: 000000c0006ffcd0 [ 68.637120][ T8430] RBP: 000000c0002bfa18 R08: 0000000000000000 R09: 0000000000000001 [ 68.645196][ T8430] R10: 000000c0006ffc80 R11: 000000c0006ffc80 R12: ffffffffffffffff [ 68.653224][ T8430] R13: 000000000000003a R14: 0000000000000039 R15: 0000000000000040 [ 68.661337][ T8430] Kernel panic - not syncing: panic_on_warn set ... [ 68.667949][ T8430] CPU: 1 PID: 8430 Comm: syz-execprog Not tainted 5.12.0-rc2-syzkaller #0 [ 68.676468][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.686555][ T8430] Call Trace: [ 68.689864][ T8430] dump_stack+0x141/0x1d7 [ 68.694220][ T8430] panic+0x306/0x73d [ 68.698140][ T8430] ? __warn_printk+0xf3/0xf3 [ 68.702787][ T8430] ? __warn.cold+0x1a/0x44 [ 68.707232][ T8430] ? warn_bogus_irq_restore+0x1d/0x20 [ 68.712625][ T8430] __warn.cold+0x35/0x44 [ 68.716883][ T8430] ? wake_up_klogd.part.0+0x8e/0xd0 [ 68.722104][ T8430] ? warn_bogus_irq_restore+0x1d/0x20 [ 68.727498][ T8430] report_bug+0x1bd/0x210 [ 68.731875][ T8430] handle_bug+0x3c/0x60 [ 68.736054][ T8430] exc_invalid_op+0x14/0x40 [ 68.740574][ T8430] asm_exc_invalid_op+0x12/0x20 [ 68.745443][ T8430] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 68.751458][ T8430] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 1e 2f ac 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 0d 2f ac 04 01 e8 dd d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 68.771089][ T8430] RSP: 0000:ffffc90001c9fac8 EFLAGS: 00010282 [ 68.777181][ T8430] RAX: 0000000000000000 RBX: ffff888023e08180 RCX: 0000000000000000 [ 68.785273][ T8430] RDX: ffff888011b40000 RSI: ffffffff815c3c85 RDI: fffff52000393f4b [ 68.793297][ T8430] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 68.801297][ T8430] R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003 [ 68.809295][ T8430] R13: ffffed10047c1030 R14: 0000000000000001 R15: ffff8880b9d35f80 [ 68.817316][ T8430] ? wake_up_klogd.part.0+0x8e/0xd0 [ 68.822548][ T8430] ? vprintk_func+0x95/0x1e0 [ 68.827170][ T8430] ? warn_bogus_irq_restore+0x1d/0x20 [ 68.832568][ T8430] kvm_wait+0xc9/0xe0 [ 68.836567][ T8430] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 68.842664][ T8430] ? pv_hash+0x100/0x100 [ 68.846932][ T8430] ? lock_release+0x720/0x720 [ 68.851635][ T8430] do_raw_spin_lock+0x200/0x2b0 [ 68.856511][ T8430] ? rwlock_bug.part.0+0x90/0x90 [ 68.861476][ T8430] huge_pmd_set_accessed+0x103/0x320 [ 68.866802][ T8430] ? huge_pud_set_accessed+0x300/0x300 [ 68.872278][ T8430] ? mark_lock+0xef/0x17b0 [ 68.876712][ T8430] ? __lock_acquire+0x16b3/0x54c0 [ 68.881753][ T8430] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.887761][ T8430] __handle_mm_fault+0xeeb/0x4f70 [ 68.892823][ T8430] ? vm_iomap_memory+0x190/0x190 [ 68.897804][ T8430] handle_mm_fault+0x1bc/0x7e0 [ 68.902595][ T8430] do_user_addr_fault+0x483/0x1210 [ 68.907739][ T8430] exc_page_fault+0x9e/0x180 [ 68.912347][ T8430] ? asm_exc_page_fault+0x8/0x30 [ 68.917323][ T8430] asm_exc_page_fault+0x1e/0x30 [ 68.922193][ T8430] RIP: 0033:0x46b8c7 [ 68.926120][ T8430] Code: c3 c3 66 89 07 66 89 44 1f fe c3 89 07 89 44 1f fc c3 48 89 07 c3 48 89 07 48 89 44 1f f8 c3 f3 0f 7f 07 f3 0f 7f 44 1f f0 c3 0f 7f 07 f3 0f 7f 47 10 f3 0f 7f 44 1f e0 f3 0f 7f 44 1f f0 c3 [ 68.945745][ T8430] RSP: 002b:000000c0002bf9b8 EFLAGS: 00010287 [ 68.951840][ T8430] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000050 [ 68.959828][ T8430] RDX: 0000000000000030 RSI: 0000000000000000 RDI: 000000c0006ffcd0 [ 68.967824][ T8430] RBP: 000000c0002bfa18 R08: 0000000000000000 R09: 0000000000000001 [ 68.975821][ T8430] R10: 000000c0006ffc80 R11: 000000c0006ffc80 R12: ffffffffffffffff [ 68.983816][ T8430] R13: 000000000000003a R14: 0000000000000039 R15: 0000000000000040 [ 68.992641][ T8430] Kernel Offset: disabled [ 68.997297][ T8430] Rebooting in 86400 seconds..