DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9308 at include/trace/events/printk.h:10 trace_console_rcuidle include/trace/events/printk.h:10 [inline] WARNING: CPU: 1 PID: 9308 at include/trace/events/printk.h:10 call_console_drivers kernel/printk/printk.c:1905 [inline] WARNING: CPU: 1 PID: 9308 at include/trace/events/printk.h:10 console_unlock+0xabd/0xb70 kernel/printk/printk.c:2714 Modules linked in: CPU: 1 PID: 9308 Comm: syz-executor.2 Not tainted 5.16.0-rc4-next-20211210-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:trace_console_rcuidle include/trace/events/printk.h:10 [inline] RIP: 0010:call_console_drivers kernel/printk/printk.c:1905 [inline] RIP: 0010:console_unlock+0xabd/0xb70 kernel/printk/printk.c:2714 Code: e3 ef 0e 00 00 00 00 48 8b bc 24 68 01 00 00 e8 69 c7 ff ff e9 35 ff ff ff e8 1f e7 18 00 0f 0b e9 17 fd ff ff e8 13 e7 18 00 <0f> 0b e9 6a fd ff ff 48 89 ef e8 24 df 63 00 e9 34 f7 ff ff e8 ea RSP: 0018:fffffe0000053d40 EFLAGS: 00010046 RAX: 0000000080110000 RBX: 0000000000100000 RCX: 0000000000000000 RDX: ffff88801b238000 RSI: ffffffff815f146d RDI: 0000000000000003 RBP: fffffe0000053dd8 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815f11d6 R11: 0000000000000000 R12: 000000000000000f R13: 0000000000000000 R14: fffffe0000053d98 R15: dffffc0000000000 FS: 00007f83f79b2700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff8 CR3: 000000004313c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> console_unblank+0xfc/0x130 kernel/printk/printk.c:2779 bust_spinlocks+0x60/0xe0 lib/bust_spinlocks.c:28 oops_end+0x2b/0xf0 arch/x86/kernel/dumpstack.c:361 exc_double_fault+0x16d/0x180 arch/x86/kernel/traps.c:466 asm_exc_double_fault+0x1e/0x40 arch/x86/include/asm/idtentry.h:613 RIP: 0010:entry_SYSENTER_compat+0x3/0x17 arch/x86/entry/entry_64_compat.S:54 Code: 41 5c 5d 5b 41 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 48 83 c4 30 fd 48 c7 44 24 28 00 00 00 00 48 cf cc cc cc cc cc cc 0f 01 f8 <50> 58 65 48 8b 24 25 10 70 02 00 6a 2b 6a 00 9c 6a 23 6a 00 89 c0 RSP: 0018:0000000000000000 EFLAGS: 00010046 RAX: 00000000000000d0 RBX: 0000000000018ff5 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000200193c0 R08: 0000000000000000 R09: 0000000020000280 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 41 5c pop %r12 2: 5d pop %rbp 3: 5b pop %rbx 4: 41 5b pop %r11 6: 41 5a pop %r10 8: 41 59 pop %r9 a: 41 58 pop %r8 c: 58 pop %rax d: 59 pop %rcx e: 5a pop %rdx f: 5e pop %rsi 10: 5f pop %rdi 11: 48 83 c4 30 add $0x30,%rsp 15: fd std 16: 48 c7 44 24 28 00 00 movq $0x0,0x28(%rsp) 1d: 00 00 1f: 48 cf iretq 21: cc int3 22: cc int3 23: cc int3 24: cc int3 25: cc int3 26: cc int3 27: 0f 01 f8 swapgs * 2a: 50 push %rax <-- trapping instruction 2b: 58 pop %rax 2c: 65 48 8b 24 25 10 70 mov %gs:0x27010,%rsp 33: 02 00 35: 6a 2b pushq $0x2b 37: 6a 00 pushq $0x0 39: 9c pushfq 3a: 6a 23 pushq $0x23 3c: 6a 00 pushq $0x0 3e: 89 c0 mov %eax,%eax