Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
INFO: rcu detected stall in sys_creat exfat | 98 | 1713d | 1804d |
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oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz2,mems_allowed=0-1,oom_memcg=/syz2,task_memcg=/syz2,task=syz-executor.2,pid=30335,uid=0 Memory cgroup out of memory: Kill process 30335 (syz-executor.2) score 1113 or sacrifice child Killed process 30335 (syz-executor.2) total-vm:72840kB, anon-rss:2224kB, file-rss:35580kB, shmem-rss:0kB rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (10465 ticks this GP) idle=c66/1/0x4000000000000002 softirq=132566/132566 fqs=34 rcu: (t=10501 jiffies g=180537 q=436) rcu: rcu_preempt kthread starved for 10433 jiffies! g180537 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29024 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_timeout+0x4db/0xfd0 kernel/time/timer.c:1803 rcu_gp_fqs_loop kernel/rcu/tree.c:1948 [inline] rcu_gp_kthread+0x956/0x17a0 kernel/rcu/tree.c:2105 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 NMI backtrace for cpu 0 CPU: 0 PID: 10091 Comm: syz-executor.2 Not tainted 5.0.0-rc8+ #89 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1211 print_cpu_stall kernel/rcu/tree.c:1348 [inline] check_cpu_stall kernel/rcu/tree.c:1422 [inline] rcu_pending kernel/rcu/tree.c:3018 [inline] rcu_check_callbacks.cold+0x500/0xa4a kernel/rcu/tree.c:2521 update_process_times+0x32/0x80 kernel/time/timer.c:1635 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:lock_acquire+0x1ea/0x3f0 kernel/locking/lockdep.c:3844 Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c7 01 00 00 48 83 3d 82 2e 3b 07 00 0f 84 3b 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b RSP: 0018:ffff8880096c70a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff112505e RBX: ffff8880865e2000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff8880865e28f8 RDI: 0000000000000286 RBP: ffff8880096c70e8 R08: 0000000000000003 R09: ffff8880865e2918 R10: ffff8880865e28f8 R11: 0000000000000001 R12: ffffffff889a4240 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 rcu_lock_acquire include/linux/rcupdate.h:223 [inline] rcu_read_lock include/linux/rcupdate.h:607 [inline] list_lru_count_one+0x66/0x380 mm/list_lru.c:193 list_lru_shrink_count include/linux/list_lru.h:122 [inline] super_cache_count+0x14f/0x2e0 fs/super.c:145 do_shrink_slab+0x10e/0xa80 mm/vmscan.c:469 shrink_slab_memcg mm/vmscan.c:616 [inline] shrink_slab+0x36a/0x5e0 mm/vmscan.c:688 shrink_node+0x50f/0x1540 mm/vmscan.c:2747 shrink_zones mm/vmscan.c:2977 [inline] do_try_to_free_pages+0x3cb/0x11e0 mm/vmscan.c:3039 try_to_free_mem_cgroup_pages+0x337/0x960 mm/vmscan.c:3343 try_charge+0x3d7/0x1570 mm/memcontrol.c:2234 mem_cgroup_try_charge+0x24d/0x5e0 mm/memcontrol.c:5913 mem_cgroup_try_charge_delay+0x1f/0xa0 mm/memcontrol.c:5928 shmem_getpage_gfp+0x69b/0x3520 mm/shmem.c:1790 shmem_getpage mm/shmem.c:134 [inline] shmem_write_begin+0x105/0x1e0 mm/shmem.c:2385 generic_perform_write+0x231/0x530 mm/filemap.c:3208 __generic_file_write_iter+0x25e/0x630 mm/filemap.c:3333 generic_file_write_iter+0x360/0x610 mm/filemap.c:3361 call_write_iter include/linux/fs.h:1863 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x613/0x8e0 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f81ec171c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 RDX: 00000000ffffff76 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81ec1726d4 R13: 00000000004c73d7 R14: 00000000004dcfe0 R15: 00000000ffffffff
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/02/28 22:31 | upstream | 7d762d69145a | 09aeeba4 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/25 19:00 | upstream | 5908e6b738e3 | a70141bf | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2019/02/22 19:37 | upstream | 6ee2846cb4e7 | 6a5fcca4 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/14 04:02 | upstream | 1f947a7a011f | 6a46f448 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/12 13:53 | upstream | aa0c38cf39de | 6ecc6d0f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/10 04:54 | upstream | e8b50608f666 | b4f792e4 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2019/02/09 06:27 | upstream | 46c291e277f9 | fa6c7b70 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/02/08 09:20 | upstream | d47e3da17592 | aa4feb03 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/07 23:51 | upstream | d47e3da17592 | aa4feb03 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/02/07 10:28 | upstream | b0314565da2b | aa4feb03 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2019/01/16 05:37 | upstream | 7939f8beecf1 | b47fa78d | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2019/01/15 15:18 | upstream | fe76fc6aaf53 | 79cb1a7c | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/01/07 21:09 | upstream | 3bd6e94bec12 | 69d69aa9 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/01/07 06:46 | upstream | 574823bfab82 | ee332608 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/01/05 00:11 | upstream | 96d4f267e40f | 0127e3ba | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/31 10:22 | upstream | 195303136f19 | 2b42fdc8 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/17 23:48 | upstream | 7566ec393f41 | def91db3 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/15 12:03 | upstream | 6531e115b7ab | c9128939 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/12/14 20:25 | upstream | eb6cf9f8cb9d | 7624ddd6 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/13 23:13 | upstream | 65e08c5e8631 | fe7127be | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/11 09:58 | upstream | f5d582777bcb | 4093e33b | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/10 09:38 | upstream | 0844895a2e51 | 96cc4c50 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2018/12/08 23:31 | upstream | 8214bdf7d3e6 | c7918378 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/12/06 18:34 | upstream | cf76c364a1e1 | 3ab38479 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/05 19:26 | upstream | d08970904582 | ac6c0578 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/12/05 12:11 | upstream | 0072a0c14d5b | ac6c0578 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/12/03 04:38 | upstream | 6a512726090a | 7dcaeaf3 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2018/12/01 03:48 | upstream | b6839ef26e54 | d8988561 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/29 22:27 | upstream | 60b548237fed | 66071e27 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2018/11/29 07:32 | upstream | 60b548237fed | 4b6d14f2 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/28 18:52 | upstream | 121b018f8c74 | 4b6d14f2 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/28 11:19 | upstream | ef78e5ec9214 | 4b6d14f2 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/28 09:12 | upstream | ef78e5ec9214 | 4b6d14f2 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/26 11:13 | upstream | 2e6e902d1850 | ac912200 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/11/25 22:20 | upstream | d6d460b89378 | 3d3ec907 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/22 18:50 | upstream | edeca3a769ad | 2ee77802 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/11/18 22:19 | upstream | c67a98c00ea3 | adf636a8 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2018/11/16 20:46 | upstream | e6a2562fe27f | b08ee62a | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/15 19:16 | upstream | da5322e65940 | 3a41052e | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/06 17:14 | upstream | 163c8d54a997 | 8bd6bd63 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/11/06 01:13 | upstream | 163c8d54a997 | 8bd6bd63 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/11/02 21:48 | upstream | d81f50bd3464 | 8bd6bd63 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2018/10/26 05:27 | upstream | e5f6d9afa341 | a8292de9 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/01/06 17:09 | linux-next | a4983672f9ca | 94f8adb5 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/12/07 00:36 | linux-next | 442b8cea2477 | dcf836b1 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/12/04 08:19 | linux-next | 442b8cea2477 | 03f94a45 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/28 21:42 | linux-next | 442b8cea2477 | 4b6d14f2 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/26 05:28 | linux-next | 442b8cea2477 | 3d3ec907 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/23 20:28 | linux-next | 442b8cea2477 | eb9ed731 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/15 18:21 | linux-next | 442b8cea2477 | 3a41052e | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/14 16:57 | linux-next | 442b8cea2477 | 5f5f6d14 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/11/08 05:32 | linux-next | f7af6d2c48bf | e85d2a61 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/10/27 13:00 | linux-next | 8c60c36d0b8c | 8efba39a | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/10/26 20:08 | linux-next | 8c60c36d0b8c | a8292de9 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/10/18 19:42 | linux-next | 9bab64345e83 | 9aba67b5 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/10/09 13:03 | linux-next | 570b7bdeaf18 | 8b311eaf | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |