kasan: CONFIG_KASAN_INLINE enabled ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3277 at kernel/futex.c:818 get_pi_state+0x15b/0x190 kernel/futex.c:818 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3277 Comm: syz-executor0 Not tainted 4.13.0-rc5+ #41 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:180 __warn+0x1c4/0x1d9 kernel/panic.c:541 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:190 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:273 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:846 RIP: 0010:get_pi_state+0x15b/0x190 kernel/futex.c:818 RSP: 0018:ffff8801cc137090 EFLAGS: 00010297 RAX: ffff8801cc1da180 RBX: 0000000000000000 RCX: 1ffff10039826e17 RDX: 0000000000000000 RSI: 1ffff1003983b544 RDI: ffff8801cbe66b80 RBP: ffff8801cc137120 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10039826e13 R13: ffff8801cbe66b80 R14: 1ffff10039826e17 R15: ffff8801cbe66c30 exit_pi_state_list+0x543/0x780 kernel/futex.c:925 mm_release+0x46d/0x590 kernel/fork.c:1122 exit_mm kernel/exit.c:499 [inline] do_exit+0x470/0x1b10 kernel/exit.c:852 do_group_exit+0x149/0x400 kernel/exit.c:969 get_signal+0x7e8/0x17e0 kernel/signal.c:2330 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:157 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath+0x3a7/0x450 arch/x86/entry/common.c:263 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x4512e9 RSP: 002b:00007fc423a3fc08 EFLAGS: 00000216 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00000000007180a8 RCX: 00000000004512e9 RDX: 0000000000000004 RSI: 000080000000000b RDI: 000000002000cffc RBP: 0000000000000840 R08: 0000000020048000 R09: 0000000000000000 R10: 0000000020edfff0 R11: 0000000000000216 R12: 00000000004b6946 R13: 00000000ffffffff R14: 000000002000cffc R15: 000080000000000b kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3265 Comm: syz-executor0 Not tainted 4.13.0-rc5+ #41 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cbf10680 task.stack: ffff8801cbe90000 RIP: 0010:perf_trace_lock+0xce/0x860 include/trace/events/lock.h:38 RSP: 0018:ffff8801cbe96d10 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 1ffff100397d2daa RCX: 1ffff100397ccd71 RDX: 00000000000000fe RSI: 00000000000007d8 RDI: ffffffff85b243e0 RBP: ffff8801cbe96e98 R08: 00000000000007d8 R09: 0000000000000000 R10: ffff8801cbe96eb8 R11: ffffffff81625a54 R12: ffff8801cbe96e70 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff85b24360 FS: 00007fc423a61700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efea744a130 CR3: 000000019ebd4000 CR4: 00000000001426e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: trace_lock_release include/trace/events/lock.h:57 [inline] lock_release+0x61a/0xa40 kernel/locking/lockdep.c:3873 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:166 [inline] _raw_spin_unlock_irq+0x1a/0x70 kernel/locking/spinlock.c:199 put_pi_state+0x252/0x520 kernel/futex.c:842 exit_pi_state_list+0x55c/0x780 kernel/futex.c:929 mm_release+0x46d/0x590 kernel/fork.c:1122 exit_mm kernel/exit.c:499 [inline] do_exit+0x470/0x1b10 kernel/exit.c:852 do_group_exit+0x149/0x400 kernel/exit.c:969 get_signal+0x7e8/0x17e0 kernel/signal.c:2330 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:157 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath+0x3a7/0x450 arch/x86/entry/common.c:263 ? entry_SYSCALL_64_fastpath[ 53.160568] Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..