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INFO: task hung in jbd2_journal_commit_transaction

Status: closed as dup on 2018/10/02 14:53
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+0e7e90fff14568b11ebe@syzkaller.appspotmail.com
First crash: 2150d, last: 2020d
▶ ▼ Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
INFO: task hung in ext4_fallocate ext4 C 1 2033d 2032d
▶ ▼ Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in add_transaction_credits ext4 C 13 2021d 2095d 0/26 closed as dup on 2018/09/24 00:42
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
INFO: task hung in jbd2_journal_commit_transaction 1 (2) 2018/10/02 14:53
▶ ▼ Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in jbd2_journal_commit_transaction (2) ext4 1 1141d 1141d 0/26 auto-closed as invalid on 2021/06/09 10:13
android-44 INFO: task hung in jbd2_journal_commit_transaction C 6 2126d 1839d 0/2 public: reported C repro on 2019/04/13 00:00
android-49 INFO: task hung in jbd2_journal_commit_transaction 5 2034d 2178d 0/3 auto-closed as invalid on 2019/03/29 12:13
linux-6.1 INFO: task hung in jbd2_journal_commit_transaction 1 329d 329d 0/3 auto-obsoleted due to no activity on 2023/09/09 09:50
upstream INFO: task hung in jbd2_journal_commit_transaction (4) ext4 7 272d 420d 0/26 auto-obsoleted due to no activity on 2023/10/25 18:13
upstream INFO: task hung in jbd2_journal_commit_transaction (3) ext4 C error error 24 574d 858d 0/26 auto-obsoleted due to no activity on 2023/01/27 09:20
android-414 INFO: task hung in jbd2_journal_commit_transaction C 31 2025d 1841d 0/1 public: reported C repro on 2019/04/11 00:00

Sample crash report:
kauditd_printk_skb: 10 callbacks suppressed
audit: type=1400 audit(1538748104.838:36): avc:  denied  { map } for  pid=5911 comm="syz-executor588" path="/root/syz-executor588614338" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
INFO: task jbd2/sda1-8:3078 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc6+ #47
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/sda1-8     D18256  3078      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 jbd2_journal_commit_transaction+0xd42/0x89f8 fs/jbd2/commit.c:435
 kjournald2+0x26d/0xb30 fs/jbd2/journal.c:229
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 981 Comm: khungtaskd Not tainted 4.19.0-rc6+ #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
 watchdog+0xb3e/0x1050 kernel/hung_task.c:265
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Sending NMI from CPU 0 to CPUs 1:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.099 msecs
NMI backtrace for cpu 1
CPU: 1 PID: 5912 Comm: syz-executor588 Not tainted 4.19.0-rc6+ #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:94
Code: 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 3c 38 83 7e 81 e2 00 01 1f 00
RSP: 0018:ffff8801c3ecebb0 EFLAGS: 00000086
RAX: ffff8801c3052380 RBX: ffffffff881588e0 RCX: ffffffff8184c4d5
RDX: 0000000000000000 RSI: ffffffff881588e0 RDI: ffffffff88409180
RBP: ffff8801c3ecebb0 R08: ffff8801c3052380 R09: 0000000040000000
R10: ffffed0036fdf060 R11: ffff8801b7ef8303 R12: 0000000000000000
R13: ffffffff88409180 R14: ffffffff881588e0 R15: 0000000000008401
FS:  00007f8c9a756700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001cb7e4000 CR4: 00000000001406e0
Call Trace:
 check_preemption_disabled+0x1c/0x200 lib/smp_processor_id.c:13
 __this_cpu_preempt_check+0x1c/0x1f lib/smp_processor_id.c:62
 lookup_bh_lru fs/buffer.c:1261 [inline]
 __find_get_block+0x183/0xf20 fs/buffer.c:1290
 __getblk_gfp+0xf4/0xd50 fs/buffer.c:1316
 sb_getblk_gfp include/linux/buffer_head.h:332 [inline]
 __read_extent_tree_block+0x11d/0xab0 fs/ext4/extents.c:509
 ext4_find_extent+0x38a/0x9b0 fs/ext4/extents.c:908
 get_ext_path fs/ext4/move_extent.c:31 [inline]
 mext_check_coverage.constprop.13+0x2b0/0x510 fs/ext4/move_extent.c:98
 move_extent_per_page fs/ext4/move_extent.c:323 [inline]
 ext4_move_extents+0x2784/0x3c20 fs/ext4/move_extent.c:669
 ext4_ioctl+0x3154/0x4210 fs/ext4/ioctl.c:799
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x445899
Code: e8 ac b7 02 00 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 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8c9a755da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 0000000000445899
RDX: 0000000020000300 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c
R13: 732e79726f6d656d R14: 00007f8c9a7569c0 R15: 00000000006dad2c

Crashes (52):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/10/05 14:07 upstream befad944e231 8b311eaf .config console log report syz C ci-upstream-kasan-gce-selinux-root
2018/10/05 14:06 upstream befad944e231 8b311eaf .config console log report syz C ci-upstream-kasan-gce-root
2018/09/26 00:57 upstream 846e8dd47c26 b7e11289 .config console log report syz C ci-upstream-kasan-gce-selinux-root
2018/09/26 00:08 upstream 846e8dd47c26 b7e11289 .config console log report syz C ci-upstream-kasan-gce-root
2018/09/26 00:00 upstream 846e8dd47c26 b7e11289 .config console log report syz C ci-upstream-kasan-gce-smack-root
2018/10/05 13:59 net-old 9d2f67e43b73 8b311eaf .config console log report syz C ci-upstream-net-this-kasan-gce
2018/10/05 12:35 net-next-old 2970f2a8e941 8b311eaf .config console log report syz C ci-upstream-net-kasan-gce
2018/09/29 08:02 net-next-old 5362700c942b 41e4b329 .config console log report syz C ci-upstream-net-kasan-gce
2018/09/22 19:19 linux-next 46c163a036b4 37079712 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2018/10/12 13:45 upstream 90ad18418c2d ba6ddb43 .config console log report ci-upstream-kasan-gce-selinux-root
2018/10/08 15:13 upstream 0854ba5ff5c9 8b311eaf .config console log report ci-upstream-kasan-gce-root
2018/10/03 15:13 upstream 6bebe37927f3 8b311eaf .config console log report ci-upstream-kasan-gce-root
2018/09/25 09:38 upstream 02214bfc89c7 0e7547d7 .config console log report ci-upstream-kasan-gce-root
2018/09/23 16:16 upstream 328c6333ba3d 37079712 .config console log report ci-upstream-kasan-gce-root
2018/09/22 16:00 upstream 10dc890d4228 37079712 .config console log report ci-upstream-kasan-gce-smack-root
2018/09/22 02:46 upstream 10dc890d4228 37079712 .config console log report ci-upstream-kasan-gce-selinux-root
2018/09/21 11:57 upstream 234b69e3e089 37079712 .config console log report ci-upstream-kasan-gce-selinux-root
2018/09/20 22:17 upstream ae596de1a0c8 6cee973c .config console log report ci-upstream-kasan-gce-selinux-root
2018/09/08 13:23 upstream 3d0e7a9e00fd 6b5120a4 .config console log report ci-upstream-kasan-gce-smack-root
2018/09/07 12:48 upstream a49a9dcce802 e30d3b52 .config console log report ci-upstream-kasan-gce-root
2018/09/02 22:21 upstream 899ba79553cf a4718693 .config console log report ci-upstream-kasan-gce-root
2018/07/17 09:49 upstream 30b06abfb92b 13761366 .config console log report ci-upstream-kasan-gce-root
2018/06/06 05:40 upstream 5037be168f0e 863a24bb .config console log report ci-upstream-kasan-gce-root
2018/10/13 15:46 net-old bab5c80b2110 caf12900 .config console log report ci-upstream-net-this-kasan-gce
2018/10/12 10:23 net-old 6b9bab550cac ba6ddb43 .config console log report ci-upstream-net-this-kasan-gce
2018/10/10 02:21 net-old 4cf34c0cf60e 8b311eaf .config console log report ci-upstream-net-this-kasan-gce
2018/10/02 07:33 net-old 1ad98e9d1bdf e06f7713 .config console log report ci-upstream-net-this-kasan-gce
2018/10/01 16:42 net-old 43955a45dc0b 48a50c6b .config console log report ci-upstream-net-this-kasan-gce
2018/10/01 05:35 net-old 43955a45dc0b 41e4b329 .config console log report ci-upstream-net-this-kasan-gce
2018/10/01 04:56 net-old 43955a45dc0b 41e4b329 .config console log report ci-upstream-net-this-kasan-gce
2018/09/30 23:26 net-old 43955a45dc0b 41e4b329 .config console log report ci-upstream-net-this-kasan-gce
2018/09/30 23:18 net-old 43955a45dc0b 41e4b329 .config console log report ci-upstream-net-this-kasan-gce
2018/09/29 14:43 net-old 05c5e9ff22e3 41e4b329 .config console log report ci-upstream-net-this-kasan-gce
2018/09/28 16:48 net-old d4ce58082f20 137d7c66 .config console log report ci-upstream-net-this-kasan-gce
2018/10/13 04:38 net-next-old 1b8530bf6a69 caf12900 .config console log report ci-upstream-net-kasan-gce
2018/10/02 17:55 net-next-old 024926def6ca a316a2af .config console log report ci-upstream-net-kasan-gce
2018/09/29 13:21 net-next-old 5362700c942b 41e4b329 .config console log report ci-upstream-net-kasan-gce
2018/10/06 18:48 linux-next 12ffaa1197f5 8b311eaf .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/30 03:09 linux-next 4794a36bf08d 41e4b329 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/30 02:51 linux-next 4794a36bf08d 41e4b329 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/26 15:33 linux-next 9aa0219c6a4c 455b6354 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/24 21:43 linux-next dad486875956 2f485cdf .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/22 13:44 linux-next 46c163a036b4 37079712 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/22 02:50 linux-next 46c163a036b4 37079712 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/11 15:46 linux-next f2b6e66e9885 4ae17b1f .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/11 03:27 linux-next f2b6e66e9885 8c88323f .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/07 14:54 linux-next f2b6e66e9885 69cfeb80 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/06 07:20 linux-next f2b6e66e9885 873745f2 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/01 12:53 linux-next a880148cb2af a4718693 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/09/01 11:05 linux-next a880148cb2af a4718693 .config console log report ci-upstream-linux-next-kasan-gce-root
2018/08/12 08:30 linux-next 4110b42356f3 7a88b141 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.