------------[ cut here ]------------ WARNING: CPU: 0 PID: 7968 at kernel/time/posix-timers.c:849 rcu_read_lock include/linux/rcupdate.h:635 [inline] WARNING: CPU: 0 PID: 7968 at kernel/time/posix-timers.c:849 timer_wait_running+0x10f/0x120 kernel/time/posix-timers.c:846 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7968 Comm: syz-executor243 Not tainted 5.8.0-rc3-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+0xb3/0xec lib/dump_stack.c:118 panic+0x115/0x2fa kernel/panic.c:231 __warn.cold.13+0x20/0x25 kernel/panic.c:600 report_bug+0xc0/0xf0 lib/bug.c:198 handle_bug+0x35/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x13/0x60 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:timer_wait_running+0x10f/0x120 kernel/time/posix-timers.c:849 Code: 0f 85 6a ff ff ff 48 c7 c2 68 b4 e2 83 be 7c 02 00 00 48 c7 c7 a8 b1 e2 83 c6 05 eb ec 34 03 01 e8 59 fc fb ff e9 46 ff ff ff <0f> 0b e9 5d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 53 48 RSP: 0018:ffffc900020ffe38 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810dc583a8 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000ffffffff RBP: ffffc900020ffe58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8362e480 R14: ffffc900020ffe70 R15: 0000000000000000 do_timer_settime+0xc1/0x120 kernel/time/posix-timers.c:929 __do_sys_timer_settime32 kernel/time/posix-timers.c:974 [inline] __se_sys_timer_settime32 kernel/time/posix-timers.c:961 [inline] __ia32_sys_timer_settime32+0x69/0xd0 kernel/time/posix-timers.c:961 do_syscall_32_irqs_on+0x3f/0x60 arch/x86/entry/common.c:403 __do_fast_syscall_32 arch/x86/entry/common.c:448 [inline] do_fast_syscall_32+0x7f/0x120 arch/x86/entry/common.c:474 entry_SYSENTER_compat+0x6d/0x7c arch/x86/entry/entry_64_compat.S:138 RIP: 0023:0xf7f4e569 Code: Bad RIP value. RSP: 002b:00000000f7f4914c EFLAGS: 00000296 ORIG_RAX: 0000000000000104 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000020000300 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..