syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1164] 🐞 Fixed [4303] 🐞 Invalid [9647] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: rcu detected stall in ext4_file_write_iter (3) | 5 | 538d | 628d | 0/24 | auto-closed as invalid on 2021/11/07 19:52 | |||
upstream | INFO: rcu detected stall in ext4_file_write_iter (5) | 3 | 279d | 279d | 0/24 | auto-closed as invalid on 2022/06/25 07:58 | |||
upstream | INFO: rcu detected stall in ext4_file_write_iter (4) | C | unreliable | 58 | 374d | 403d | 0/24 | closed as invalid on 2022/02/08 10:32 | |
android-49 | INFO: rcu detected stall in ext4_file_write_iter | syz | 2 | 1336d | 1378d | 0/3 | public: reported syz repro on 2019/04/23 08:58 | ||
upstream | INFO: rcu detected stall in ext4_file_write_iter (2) | 1 | 839d | 839d | 0/24 | auto-closed as invalid on 2021/01/10 12:58 | |||
linux-4.14 | INFO: rcu detected stall in ext4_file_write_iter | C | 7 | 10d | 1388d | 0/1 | upstream: reported C repro on 2019/04/12 16:30 | ||
linux-4.19 | INFO: rcu detected stall in ext4_file_write_iter | C | error | 9 | 40d | 1380d | 0/1 | upstream: reported C repro on 2019/04/20 13:09 |
rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (1 GPs behind) idle=5ce/1/0x4000000000000000 softirq=71451/71452 fqs=11 (t=10501 jiffies g=80885 q=481) rcu: rcu_preempt kthread starved for 10480 jiffies! g80885 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29472 10 2 0x00004000 Call Trace: context_switch kernel/sched/core.c:3458 [inline] __schedule+0x8ea/0x2210 kernel/sched/core.c:4219 schedule+0xd0/0x2a0 kernel/sched/core.c:4294 schedule_timeout+0x148/0x250 kernel/time/timer.c:1908 rcu_gp_fqs_loop kernel/rcu/tree.c:1874 [inline] rcu_gp_kthread+0xae5/0x1b50 kernel/rcu/tree.c:2044 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 NMI backtrace for cpu 1 CPU: 1 PID: 27186 Comm: syz-executor533 Not tainted 5.8.0-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+0x18f/0x20d lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x223 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x194/0x1cf kernel/rcu/tree_stall.h:320 print_cpu_stall kernel/rcu/tree_stall.h:553 [inline] check_cpu_stall kernel/rcu/tree_stall.h:627 [inline] rcu_pending kernel/rcu/tree.c:3489 [inline] rcu_sched_clock_irq.cold+0x5b3/0xccc kernel/rcu/tree.c:2504 update_process_times+0x25/0x60 kernel/time/timer.c:1737 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176 tick_sched_timer+0x108/0x290 kernel/time/tick-sched.c:1320 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:write_comp_data+0x2f/0x80 kernel/kcov.c:218 Code: 05 a6 46 8e 7e 65 48 8b 34 25 00 ff 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 86 04 14 00 00 85 c0 74 4f 8b 86 e0 13 00 00 <83> f8 03 75 44 48 8b 86 e8 13 00 00 8b b6 e4 13 00 00 4c 8b 00 48 RSP: 0018:ffffc900055776e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8395f2ab RDX: 0000000000000000 RSI: ffff8880a6a78300 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff888083de5abf R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a06e0c00 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 bvec_iter_advance include/linux/bvec.h:110 [inline] iov_iter_copy_from_user_atomic+0x62b/0xbe0 lib/iov_iter.c:1000 generic_perform_write+0x277/0x4f0 mm/filemap.c:3326 ext4_buffered_write_iter+0x235/0x4a0 fs/ext4/file.c:270 ext4_file_write_iter+0x1f3/0x13d0 fs/ext4/file.c:655 call_write_iter include/linux/fs.h:1908 [inline] do_iter_readv_writev+0x567/0x780 fs/read_write.c:713 do_iter_write+0x188/0x5f0 fs/read_write.c:1018 vfs_iter_write+0x70/0xa0 fs/read_write.c:1059 iter_file_splice_write+0x721/0xbe0 fs/splice.c:750 do_splice_from fs/splice.c:846 [inline] do_splice+0xbcd/0x1820 fs/splice.c:1144 __do_sys_splice fs/splice.c:1419 [inline] __se_sys_splice fs/splice.c:1401 [inline] __x64_sys_splice+0x198/0x250 fs/splice.c:1401 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x447cf9 Code: e8 5c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 4b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3cabb9ecd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00000000006e39e8 RCX: 0000000000447cf9 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000006e39e0 R08: 0000000000010005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e39ec R13: 00007ffc875f6e9f R14: 00007f3cabb9f9c0 R15: 20c49ba5e353f7cf
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-root | 2020/07/28 11:24 | upstream | 92ed30191993 | cb93dc6a | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-selinux-root | 2020/07/27 20:57 | upstream | 92ed30191993 | cb93dc6a | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce | 2020/07/25 15:41 | upstream | 68845a55c31b | 1f7cc1ca | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce | 2020/07/24 04:54 | upstream | d15be546031c | 70c104a1 | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-smack-root | 2019/06/22 20:00 | upstream | abf02e2964b3 | 34bf9440 | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-root | 2019/05/03 16:28 | upstream | ea9866793d1e | 1bfa09b9 | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-root | 2019/04/12 03:29 | upstream | 2d06b235815e | 13030ef8 | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-selinux-root | 2019/02/22 06:00 | upstream | 8a61716ff2ab | 7ff74a98 | .config | console log | report | syz | C | |||
ci-upstream-linux-next-kasan-gce-root | 2020/07/30 16:29 | linux-next | 04b457178630 | 233283a1 | .config | console log | report | syz | C | |||
ci-upstream-linux-next-kasan-gce-root | 2019/06/30 05:07 | linux-next | 48568d8c7f47 | 7509bf36 | .config | console log | report | syz | C | |||
ci-upstream-kasan-gce-root | 2020/07/28 01:23 | upstream | 92ed30191993 | cb93dc6a | .config | console log | report | syz | ||||
ci-upstream-kasan-gce-selinux-root | 2020/07/27 09:43 | upstream | 92ed30191993 | 51265195 | .config | console log | report | syz | ||||
ci-upstream-kasan-gce-smack-root | 2020/07/25 11:27 | upstream | 68845a55c31b | 1f7cc1ca | .config | console log | report | syz | ||||
ci-upstream-linux-next-kasan-gce-root | 2020/07/27 05:47 | linux-next | 26027945c94a | 51265195 | .config | console log | report | syz | ||||
ci-upstream-kasan-gce-selinux-root | 2020/08/11 10:29 | upstream | 00e4db51259a | bacaf5fa | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2020/07/29 09:26 | upstream | 6ba1b005ffc3 | 19a8de55 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/05/23 21:45 | upstream | 423b8baf18a8 | 9682898d | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/04/21 02:39 | upstream | ae83d0b416db | 98a9f9e6 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/04/18 08:08 | upstream | 95988fbc7c31 | 435c6d53 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/04/02 21:11 | upstream | 7be97138e727 | a34e2c33 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/03/26 03:05 | upstream | 1b649e0bcae7 | e8e6c7d2 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/03/19 18:23 | upstream | cd607737f3b8 | 2c31c529 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/03/11 09:50 | upstream | e94148454103 | 35f53e45 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/03/04 15:44 | upstream | 63623fd44972 | c88c7b75 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/02/28 07:43 | upstream | f8788d86ab28 | 59b57593 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/02/17 15:26 | upstream | 11a48a5a18c6 | 2b411596 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/02/17 12:56 | upstream | 11a48a5a18c6 | 2b411596 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/02/15 22:49 | upstream | 829e69446995 | 5d7b90f1 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2020/02/12 14:36 | upstream | 359c92c02bfa | 84f4fc8a | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/02/12 03:58 | upstream | 359c92c02bfa | a75b198c | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2020/02/11 15:39 | upstream | 0a679e13ea30 | 4d1ab643 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/02/03 23:16 | upstream | 754beeec1d90 | 93e5e335 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2020/01/12 22:47 | upstream | 6327edceb62b | 31290a45 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2020/01/08 02:23 | upstream | ae6088216ce4 | 6738e0b3 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2020/01/08 01:13 | upstream | ae6088216ce4 | 6738e0b3 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2019/12/25 18:45 | upstream | 46cf053efec6 | be5c2c81 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2019/12/21 11:32 | upstream | 6398b9fc818e | bc586918 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2019/12/03 09:47 | upstream | 596cf45cbf6e | ab342da3 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2019/12/02 23:38 | upstream | 596cf45cbf6e | ab342da3 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2019/07/20 15:14 | upstream | abdfd52a295f | 1656845f | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2019/06/20 07:02 | upstream | abf02e2964b3 | 34bf9440 | .config | console log | report | |||||
ci-upstream-kasan-gce-selinux-root | 2019/06/14 09:21 | upstream | c11fb13a117e | 998ccc76 | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2019/06/14 09:19 | upstream | c11fb13a117e | 998ccc76 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2019/06/14 09:19 | upstream | c11fb13a117e | 998ccc76 | .config | console log | report | |||||
ci-upstream-kasan-gce-root | 2019/06/13 12:05 | upstream | b076173a309e | 3f4e812b | .config | console log | report | |||||
ci-upstream-kasan-gce-smack-root | 2019/01/19 05:29 | upstream | 2339e91d0e66 | 2103a236 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/06/13 19:36 | linux-next | e7b08814b16b | dbce178a | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/06/13 06:12 | linux-next | e7b08814b16b | f4724dd3 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/04/14 14:59 | linux-next | f19bb13a0eaf | 3f3c5574 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/03/09 22:00 | linux-next | 770fbb32d34e | 35f53e45 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/02/18 07:04 | linux-next | c25a951c50dc | 1ce142dc | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/02/16 03:06 | linux-next | 9f01828e9e16 | 5d7b90f1 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2020/02/06 18:46 | linux-next | a0c61bf1c773 | c91cbc9d | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2019/07/20 01:36 | linux-next | 6d21a41b7b1f | 1656845f | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2019/07/02 08:57 | linux-next | 48a8a5f9a326 | cccc4302 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2019/06/23 05:58 | linux-next | dc636f5d78de | 34bf9440 | .config | console log | report | |||||
ci-upstream-linux-next-kasan-gce-root | 2019/06/17 14:26 | linux-next | a125097c8410 | 442206d7 | .config | console log | report |