------------[ cut here ]------------ WARNING: CPU: 1 PID: 8690 at kernel/softirq.c:175 __local_bh_enable_ip+0xdf/0x100 kernel/softirq.c:175 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8690 Comm: syz-fuzzer Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x16e/0x25d lib/dump_stack.c:118 panic+0x20c/0x69a kernel/panic.c:231 __warn+0x211/0x240 kernel/panic.c:600 report_bug+0x153/0x1d0 lib/bug.c:198 handle_bug+0x4d/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x70 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:__local_bh_enable_ip+0xdf/0x100 kernel/softirq.c:175 Code: 00 00 65 8b 05 ae cd cf 7e 85 c0 75 05 e8 10 ae ce ff 5b 41 5e c3 0f 0b 83 3d 40 ee 2f 07 00 0f 85 49 ff ff ff e9 53 ff ff ff <0f> 0b e9 4c ff ff ff e8 15 00 00 00 eb aa 0f 0b 0f 0b 0f 1f 44 00 RSP: 0000:ffffc90000debd40 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88811fc2a3c0 RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff811bf3f5 RBP: 0000000000000000 R08: 0000000000000000 R09: 000088811fc2b853 R10: 0000ffffffffffff R11: ffff88811fc2a3c0 R12: ffff88811fc2a3c0 R13: 000000c000099c80 R14: ffffffff811bf3f5 R15: ffff88811fc2b850 local_bh_enable+0x1b/0x20 include/linux/bottom_half.h:32 fpregs_unlock arch/x86/include/asm/fpu/api.h:41 [inline] copy_fpstate_to_sigframe+0x2aa/0x5a0 arch/x86/kernel/fpu/signal.c:195 get_sigframe+0xf9/0x130 arch/x86/kernel/signal.c:274 __setup_rt_frame+0x56/0x310 arch/x86/kernel/signal.c:450 setup_rt_frame arch/x86/kernel/signal.c:702 [inline] handle_signal arch/x86/kernel/signal.c:746 [inline] arch_do_signal+0x1bd/0x270 arch/x86/kernel/signal.c:813 exit_to_user_mode_loop kernel/entry/common.c:135 [inline] exit_to_user_mode_prepare+0x1bd/0x290 kernel/entry/common.c:166 irqentry_exit_to_user_mode+0x6/0x30 kernel/entry/common.c:254 irqentry_exit+0x23/0x80 kernel/entry/common.c:342 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0033:0x467f53 Code: 00 48 81 eb 00 01 00 00 48 81 c7 00 01 00 00 48 81 fb 00 01 00 00 73 82 e9 07 ff ff ff c5 fd ef c0 48 81 fb 00 00 00 02 73 46 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 48 81 eb RSP: 002b:000000c00009fed8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 000000000000ce00 RCX: 0000000000000000 RDX: 00007f952f2dee00 RSI: 0000000000040000 RDI: 00007f952f2d2000 RBP: 000000c00009ff50 R08: 0000000000800000 R09: 00007f952f441fff R10: 00007f952f086248 R11: 00000000000009cd R12: 00000000000003ff R13: 0000000000000012 R14: 000080c000b9c000 R15: 000080c00139bfff Kernel Offset: disabled Rebooting in 86400 seconds..