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WARNING: CPU: 0 PID: 6115 at kernel/kthread.c:87 free_kthread_struct+0xa2/0xe0 kernel/kthread.c:87 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6115 Comm: modprobe Not tainted 4.14.0-rc5-mm1+ #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1c4/0x1e0 kernel/panic.c:546 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:177 do_trap_no_signal arch/x86/kernel/traps.c:211 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:260 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:297 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:310 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:free_kthread_struct+0xa2/0xe0 kernel/kthread.c:87 RSP: 0018:ffff8801db207768 EFLAGS: 00010206 RAX: ffff8801c27142c0 RBX: ffff8801c556af00 RCX: ffffffff8148d7e2 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8801c556afb8 RBP: ffff8801db207770 R08: 0000000000000001 R09: 1ffff1003b640edc R10: ffff8801db2076a8 R11: 0000000000000002 R12: 1ffff1003b640ef0 R13: 1ffff1003b640ef4 R14: 0000000000000000 R15: ffff8801db2077e0 free_task+0x134/0x1a0 kernel/fork.c:390 __put_task_struct+0x229/0x3b0 kernel/fork.c:668 put_task_struct include/linux/sched/task.h:95 [inline] delayed_put_task_struct+0xca/0x3d0 kernel/exit.c:180 __rcu_reclaim kernel/rcu/rcu.h:172 [inline] rcu_do_batch kernel/rcu/tree.c:2676 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2930 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2897 [inline] rcu_process_callbacks+0xd74/0x17d0 kernel/rcu/tree.c:2914 __do_softirq+0x2d7/0xb85 kernel/softirq.c:284 invoke_softirq kernel/softirq.c:364 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:540 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:770 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3994 RSP: 0018:ffff8801c2937140 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11 RAX: dffffc0000000000 RBX: ffff8801c27142c0 RCX: 0000000000000000 RDX: 1ffffffff0b58f39 RSI: 00000000a7a0a48d RDI: 0000000000000282 RBP: ffff8801c2937238 R08: ffffffff8197e6fd R09: 0000000000000004 R10: ffff8801c2937120 R11: 0000000000000002 R12: 1ffff10038526e2e R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:149 spin_lock include/linux/spinlock.h:314 [inline] zap_pte_range mm/memory.c:1295 [inline] zap_pmd_range mm/memory.c:1438 [inline] zap_pud_range mm/memory.c:1467 [inline] zap_p4d_range mm/memory.c:1488 [inline] unmap_page_range+0xc5d/0x22e0 mm/memory.c:1509 unmap_single_vma+0x15f/0x2d0 mm/memory.c:1554 unmap_vmas+0xf1/0x1b0 mm/memory.c:1584 exit_mmap+0x232/0x530 mm/mmap.c:3003 __mmput kernel/fork.c:971 [inline] mmput+0x223/0x6c0 kernel/fork.c:992 exit_mm kernel/exit.c:544 [inline] do_exit+0x904/0x1ad0 kernel/exit.c:856 do_group_exit+0x149/0x400 kernel/exit.c:972 SYSC_exit_group kernel/exit.c:983 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:981 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x7fa20bc591e8 RSP: 002b:00007ffdce4fde88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa20bc591e8 RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 RBP: 0000000000000082 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007fa20bf34740 R11: 0000000000000246 R12: 00005583d465f090 R13: 00007ffdce4fcbc0 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2017/11/07 11:06 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-mmots-kasan-gce | |||
2017/11/07 10:25 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/11/07 10:20 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/11/05 04:52 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/11/03 15:28 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | C | skylake-linux-next-kasan-qemu | |||
2017/11/03 15:17 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-mmots-kasan-gce | |||
2017/11/02 16:37 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | C | ci-upstream-mmots-kasan-gce | |||
2017/11/02 16:29 | linux-next | fa8785e862ef | 02b8363d | .config | console log | report | syz | C | skylake-linux-next-kasan-qemu | |||
2017/11/02 16:24 | linux-next | fa8785e862ef | 02b8363d | .config | console log | report | syz | C | skylake-linux-next-kasan-qemu | |||
2017/09/27 08:25 | linux-next | 045c5205823f | c26ea367 | .config | console log | report | syz | C | ci-upstream-next-kasan-gce | |||
2017/11/05 04:51 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | ci-upstream-mmots-kasan-gce | ||||
2017/11/05 04:35 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | ci-upstream-next-kasan-gce | ||||
2017/11/04 08:04 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | ci-upstream-mmots-kasan-gce | ||||
2017/11/04 08:02 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | skylake-linux-next-kasan-qemu | ||||
2017/11/04 07:35 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | skylake-linux-next-kasan-qemu | ||||
2017/11/03 14:51 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | syz | skylake-linux-next-kasan-qemu | ||||
2017/11/02 12:29 | mmots | 0f611fb6dcc0 | e0a2b195 | .config | console log | report | syz | ci-upstream-mmots-kasan-gce | ||||
2017/11/02 12:17 | linux-next | fa8785e862ef | 02b8363d | .config | console log | report | syz | skylake-linux-next-kasan-qemu | ||||
2017/11/02 12:02 | linux-next | fa8785e862ef | 02b8363d | .config | console log | report | syz | skylake-linux-next-kasan-qemu | ||||
2017/09/29 03:30 | mmots | 8fd0520d9cec | c26ea367 | .config | console log | report | syz | ci-upstream-mmots-kasan-gce | ||||
2017/09/27 07:33 | linux-next | 045c5205823f | c26ea367 | .config | console log | report | syz | ci-upstream-next-kasan-gce | ||||
2017/11/09 03:38 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/11/05 00:47 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/11/04 09:23 | linux-next | 5a3517e009e9 | e0a2b195 | .config | console log | report | skylake-linux-next-kasan-qemu | |||||
2017/10/23 06:09 | linux-next | 36ef71cae353 | e511d9f8 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/14 21:15 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/14 10:28 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/14 00:43 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/13 13:19 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/13 06:40 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/12 13:53 | linux-next | 49827b977a2e | 441d64d9 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/08 02:36 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/07 20:47 | mmots | fb686cb13e51 | c26ea367 | .config | console log | report | ci-upstream-mmots-kasan-gce | |||||
2017/10/07 12:39 | mmots | fb686cb13e51 | c26ea367 | .config | console log | report | ci-upstream-mmots-kasan-gce | |||||
2017/10/05 20:27 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/05 05:12 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/04 13:50 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/04 05:37 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce | |||||
2017/10/04 04:45 | mmots | af6dd9aabb86 | c26ea367 | .config | console log | report | ci-upstream-mmots-kasan-gce | |||||
2017/10/01 04:51 | mmots | c0232cb3af70 | c26ea367 | .config | console log | report | ci-upstream-mmots-kasan-gce | |||||
2017/09/29 23:36 | linux-next | 1418b852174a | c26ea367 | .config | console log | report | ci-upstream-next-kasan-gce |