syzbot |
sign-in | mailing list | source | docs |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [PATCH] kfence: Avoid stalling work queue task without allocations | 63 (63) | 2020/11/25 10:28 |
| [PATCH 5.9 000/252] 5.9.11-rc1 review | 259 (259) | 2020/11/24 20:28 |
| [PATCH tip/core/rcu 0/16] Miscellaneous fixes for v5.11 | 17 (17) | 2020/11/05 23:09 |
| Re: INFO: rcu detected stall in sys_exit_group (6) | 3 (3) | 2020/10/30 13:27 |
| Re: INFO: rcu detected stall in sys_exit_group (6) | 2 (2) | 2020/09/24 22:26 |
| INFO: rcu detected stall in sys_exit_group (6) | 0 (1) | 2020/09/24 09:26 |
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 25380 at kernel/sched/core.c:3013 rq_unlock kernel/sched/sched.h:1326 [inline] WARNING: CPU: 0 PID: 25380 at kernel/sched/core.c:3013 try_invoke_on_locked_down_task+0x21d/0x2f0 kernel/sched/core.c:3019 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25380 Comm: syz-executor815 Not tainted 5.9.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:try_invoke_on_locked_down_task+0x21d/0x2f0 kernel/sched/core.c:3013 Code: 45 31 f6 49 39 c0 74 3a 8b 74 24 38 49 8d 78 18 4c 89 04 24 e8 a4 e7 08 00 4c 8b 04 24 4c 89 c7 e8 28 9b d6 06 e9 20 ff ff ff <0f> 0b e9 7d fe ff ff 4c 89 ee 48 89 ef 41 ff d4 41 89 c6 e9 08 ff RSP: 0018:ffffc90000007be0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff92000000f7e RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8162da10 RDI: ffff8880934ec100 RBP: ffff8880934ec100 R08: 0000000000000033 R09: ffffffff8a05ae03 R10: 0000000000000631 R11: 0000000000000001 R12: ffffffff8162da10 R13: ffffc90000007d08 R14: ffff8880934ec100 R15: 0000000000000000 rcu_print_task_stall kernel/rcu/tree_stall.h:267 [inline] print_other_cpu_stall kernel/rcu/tree_stall.h:475 [inline] check_cpu_stall kernel/rcu/tree_stall.h:634 [inline] rcu_pending kernel/rcu/tree.c:3639 [inline] rcu_sched_clock_irq.cold+0x97e/0xdfd kernel/rcu/tree.c:2521 update_process_times+0x25/0xa0 kernel/time/timer.c:1710 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176 tick_sched_timer+0x1d1/0x2a0 kernel/time/tick-sched.c:1328 __run_hrtimer kernel/time/hrtimer.c:1524 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1588 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1650 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x147/0x5f0 arch/x86/kernel/apic/apic.c:1097 asm_call_irq_on_stack+0xf/0x20 </IRQ> __run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline] run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline] sysvec_apic_timer_interrupt+0xb2/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:compound_head include/linux/page-flags.h:184 [inline] RIP: 0010:PageActive include/linux/page-flags.h:329 [inline] RIP: 0010:mark_page_accessed+0x3f7/0x1070 mm/swap.c:434 Code: 85 43 0b 00 00 48 8b 1b 48 c7 c7 ff ff ff ff 48 89 de e8 1c 45 da ff 48 83 fb ff 0f 84 c9 06 00 00 e8 8d 48 da ff 4c 8b 75 08 <31> ff 48 89 eb 4d 89 f5 41 83 e5 01 4c 89 ee e8 f5 44 da ff 4d 85 RSP: 0018:ffffc9000a23f9a0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 00fffe0000002036 RCX: ffffffff819bf5f4 RDX: ffff888094424200 RSI: ffffffff819bf603 RDI: 0000000000000007 RBP: ffffea000228a9c0 R08: 0000000000000000 R09: ffffea000228a9c7 R10: ffffffffffffffff R11: 0000000000000000 R12: ffffea000228a9c8 R13: 0000000000000000 R14: ffffea000228a988 R15: 0000000000000000 zap_pte_range mm/memory.c:1279 [inline] zap_pmd_range mm/memory.c:1386 [inline] zap_pud_range mm/memory.c:1415 [inline] zap_p4d_range mm/memory.c:1436 [inline] unmap_page_range+0xdc6/0x2a30 mm/memory.c:1457 unmap_single_vma+0x198/0x300 mm/memory.c:1502 unmap_vmas+0x168/0x2e0 mm/memory.c:1534 exit_mmap+0x2b1/0x530 mm/mmap.c:3183 __mmput+0x122/0x470 kernel/fork.c:1077 mmput+0x53/0x60 kernel/fork.c:1098 exit_mm kernel/exit.c:483 [inline] do_exit+0xa8b/0x29f0 kernel/exit.c:793 do_group_exit+0x125/0x310 kernel/exit.c:903 __do_sys_exit_group kernel/exit.c:914 [inline] __se_sys_exit_group kernel/exit.c:912 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:912 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x443da8 Code: Bad RIP value. RSP: 002b:00007ffc8511d758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000443da8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004c3850 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d5180 R14: 0000000000000000 R15: 0000000000000000 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/09/30 20:03 | upstream | 02de58b24d2e | 8516f6d3 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | |||
| 2020/09/23 17:08 | upstream | 805c6d3c1921 | 287cd75a | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | |||
| 2020/08/24 11:00 | upstream | cb95712138ec | cef5ae68 | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2020/08/02 01:57 | upstream | d52daa8620c6 | d895b3be | .config | console log | report | ci-upstream-kasan-gce-root |