INFO: task hung in jbd2_journal_commit_transaction (5)

Status: upstream: reported C repro on 2024/05/15 03:54
Subsystems: ext4
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+3071bdd0a9953bc0d177@syzkaller.appspotmail.com
First crash: 928d, last: 4h04m
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (8)
ID Workflow Result Correct Bug Created Started Finished Revision
7d795f76 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: task hung in jbd2_journal_commit_transaction (5) 2026/09/04 05:14 2026/09/04 05:14 2026/09/04 05:59 801f0966
d03e82dd assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/08/05 00:03 2026/08/05 00:03 2026/08/05 00:03 d4abbeac
7e49c32a assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/07/05 05:25 2026/07/05 05:25 2026/07/05 05:43 93f57954
2b46f68c assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/06/18 04:54 2026/06/18 04:54 2026/06/18 05:16 b62b3ded
b77387fc assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/06/10 00:47 2026/06/10 00:47 2026/06/10 01:09 c36c07f6
79c61370 assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/06/04 02:55 2026/06/04 02:55 2026/06/04 03:13 62fe1528
cb22d483 assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/06/01 17:50 2026/06/01 17:50 2026/06/01 18:20 386cc6da
0a9f5c48 assessment-security 💥 INFO: task hung in jbd2_journal_commit_transaction (5) 2026/05/17 06:29 2026/05/17 06:29 2026/05/17 06:49 de5aae85
▶ ▼ Discussions (35)
Title Replies (including bot) Last reply
[syzbot] Monthly ext4 report (Jul 2026) 0 (1) 2026/07/10 20:32
[syzbot] Monthly ext4 report (Apr 2026) 0 (1) 2026/04/08 06:44
[syzbot] Monthly usb report (Apr 2026) 0 (1) 2026/04/01 07:42
[syzbot] Monthly ext4 report (Mar 2026) 0 (1) 2026/03/03 23:42
[syzbot] Monthly usb report (Mar 2026) 0 (1) 2026/03/01 06:22
[syzbot] Monthly ext4 report (Jan 2026) 0 (1) 2026/01/30 12:35
[syzbot] Monthly usb report (Jan 2026) 0 (1) 2026/01/28 22:39
[syzbot] Monthly ext4 report (Dec 2025) 0 (1) 2025/12/30 09:52
[syzbot] Monthly usb report (Dec 2025) 0 (1) 2025/12/29 08:12
[syzbot] Monthly ext4 report (Nov 2025) 0 (1) 2025/11/28 21:21
[syzbot] Monthly usb report (Nov 2025) 0 (1) 2025/11/27 12:43
[syzbot] Monthly ext4 report (Sep 2025) 0 (1) 2025/09/27 20:43
[syzbot] Monthly ext4 report (Aug 2025) 0 (1) 2025/08/27 08:15
[syzbot] Monthly ext4 report (Jul 2025) 0 (1) 2025/07/27 10:41
[syzbot] Monthly usb report (Jun 2025) 0 (1) 2025/06/23 07:31
[syzbot] Monthly usb report (May 2025) 0 (1) 2025/05/22 12:58
[syzbot] Monthly ext4 report (Apr 2025) 0 (1) 2025/04/24 13:06
[syzbot] Monthly usb report (Apr 2025) 0 (1) 2025/04/22 10:11
[syzbot] Monthly ext4 report (Mar 2025) 0 (1) 2025/03/24 18:56
[syzbot] Monthly usb report (Mar 2025) 0 (1) 2025/03/21 00:44
[syzbot] Monthly ext4 report (Feb 2025) 0 (1) 2025/02/21 09:41
[syzbot] Monthly usb report (Feb 2025) 0 (1) 2025/02/17 12:43
[syzbot] Monthly ext4 report (Jan 2025) 0 (1) 2025/01/20 13:06
[syzbot] Monthly usb report (Jan 2025) 0 (1) 2025/01/17 10:35
[syzbot] Monthly ext4 report (Dec 2024) 0 (1) 2024/12/19 18:40
[syzbot] Monthly usb report (Dec 2024) 0 (1) 2024/12/17 09:47
[syzbot] Monthly ext4 report (Nov 2024) 0 (1) 2024/11/18 10:39
[syzbot] Monthly usb report (Nov 2024) 0 (1) 2024/11/15 14:42
[syzbot] Monthly ext4 report (Oct 2024) 0 (1) 2024/10/17 07:42
[syzbot] Monthly usb report (Oct 2024) 0 (1) 2024/10/15 08:33
[syzbot] Monthly ext4 report (Sep 2024) 0 (1) 2024/09/16 12:27
[syzbot] Monthly ext4 report (Aug 2024) 0 (1) 2024/08/16 09:46
[syzbot] Monthly ext4 report (Jul 2024) 0 (1) 2024/07/15 14:03
[syzbot] Monthly ext4 report (Jun 2024) 0 (1) 2024/06/14 08:14
[syzbot] [ext4?] INFO: task hung in jbd2_journal_commit_transaction (5) 0 (2) 2024/05/20 02:41
▶ ▼ Similar bugs (13)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 INFO: task hung in jbd2_journal_commit_transaction origin:upstream 1 syz, C 103 5d01h 84d 0/1 premoderation: reported C repro on 2026/07/31 15:32
upstream INFO: task hung in jbd2_journal_commit_transaction (2) ext4 1 1 2052d 2052d 0/29 auto-closed as invalid on 2021/06/09 10:13
linux-6.6 INFO: task hung in jbd2_journal_commit_transaction (2) 1 213 3h36m 79d 0/2 upstream: reported on 2026/08/05 22:06
android-44 INFO: task hung in jbd2_journal_commit_transaction 1 syz, C 6 3037d 2751d 0/2 public: reported C repro on 2019/04/13 00:00
android-49 INFO: task hung in jbd2_journal_commit_transaction 1 5 2945d 3090d 0/3 auto-closed as invalid on 2019/03/29 12:13
linux-6.1 INFO: task hung in jbd2_journal_commit_transaction 1 1 1240d 1240d 0/3 auto-obsoleted due to no activity on 2023/09/09 09:50
linux-5.15 INFO: task hung in jbd2_journal_commit_transaction 1 110 1d10h 79d 0/3 upstream: reported on 2026/08/05 05:38
linux-6.1 INFO: task hung in jbd2_journal_commit_transaction (2) origin:lts-only 1 syz, C inconclusive 137 6h56m 469d 0/3 upstream: reported C repro on 2025/07/11 16:44
upstream INFO: task hung in jbd2_journal_commit_transaction (4) ext4 1 7 1184d 1332d 0/29 auto-obsoleted due to no activity on 2023/10/25 18:13
upstream INFO: task hung in jbd2_journal_commit_transaction (3) ext4 1 syz, C error error 24 1485d 1770d 0/29 auto-obsoleted due to no activity on 2023/01/27 09:20
upstream INFO: task hung in jbd2_journal_commit_transaction ext4 1 syz, C 52 2932d 2951d 0/29 closed as dup on 2018/10/02 14:53
linux-6.6 INFO: task hung in jbd2_journal_commit_transaction 1 2 383d 469d 0/2 auto-obsoleted due to no activity on 2026/01/13 11:32
android-414 INFO: task hung in jbd2_journal_commit_transaction 1 syz, C 31 2936d 2753d 0/1 public: reported C repro on 2019/04/11 00:00
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2026/07/15 19:18 29m retest repro upstream log
2026/07/15 19:18 30m retest repro linux-next error
2026/07/15 02:40 24m retest repro upstream error
2026/05/12 04:05 45m retest repro https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing report log
2026/05/05 01:32 23m retest repro upstream error
2026/05/02 21:59 2h09m retest repro linux-next no crash log
2026/05/02 21:59 2h01m retest repro upstream report log
2026/05/02 21:59 1h46m retest repro linux-next report log
2025/10/29 15:43 30m retest repro upstream no crash log
2025/10/29 02:34 23m retest repro https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing no crash log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2026/05/17 16:36 16m bisect fix upstream error job log
2025/11/06 11:15 2h20m bisect fix upstream OK (0) job log log

Sample crash report:
INFO: task jbd2/sda1-8:4919 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8     state:D stack:25256 pid:4919  tgid:4919  ppid:2      task_flags:0x240040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_buffer include/linux/buffer_head.h:418 [inline]
 jbd2_journal_commit_transaction+0x2f26/0x5ba0 fs/jbd2/commit.c:834
 kjournald2+0x3bc/0x750 fs/jbd2/journal.c:200
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz-executor:5625 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21288 pid:5625  tgid:5625  ppid:5619   task_flags:0x440100 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 ext4_reserve_inode_write+0x294/0x360 fs/ext4/inode.c:6514
 __ext4_mark_inode_dirty+0x146/0x7b0 fs/ext4/inode.c:6699
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6736
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2744
 generic_update_time fs/inode.c:2252 [inline]
 file_update_time_flags+0x39f/0x450 fs/inode.c:2482
 ext4_page_mkwrite+0x225/0x1150 fs/ext4/inode.c:6902
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3816
 do_shared_fault mm/memory.c:6076 [inline]
 do_fault mm/memory.c:6138 [inline]
 do_pte_missing+0x734/0x28f0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault mm/memory.c:6707 [inline]
 handle_mm_fault+0xf64/0x28c0 mm/memory.c:6876
 do_user_addr_fault+0x746/0x1340 arch/x86/mm/fault.c:1394
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f58092005e3
RSP: 002b:00007ffe10e383e0 EFLAGS: 00010202
RAX: 00007f5806990000 RBX: 00007ffe10e38510 RCX: 0000000000dffde8
RDX: 00007f580698fffc RSI: 0000000000000008 RDI: 00007ffe10e38510
RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffe10e384f0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:5773 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22016 pid:5773  tgid:5773  ppid:5732   task_flags:0x440140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 __ext4_new_inode+0x1355/0x3ec0 fs/ext4/ialloc.c:1101
 ext4_mkdir+0x3ee/0xce0 fs/ext4/namei.c:3014
 vfs_mkdir+0x408/0x620 fs/namei.c:5439
 filename_mkdirat+0x289/0x520 fs/namei.c:5472
 __do_sys_mkdirat fs/namei.c:5493 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5490
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f67d854d3c7
RSP: 002b:00007ffe981bfc28 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f67d85e52f4 RCX: 00007f67d854d3c7
RDX: 00000000000001ff RSI: 00007f67d85e52f4 RDI: 00000000ffffff9c
RBP: 00007ffe981bfcb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe981bfcb8
R13: 0000000000000002 R14: 00007ffe981bfe98 R15: 0000000000000000
 </TASK>
INFO: task syz.0.63:6160 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.63        state:D stack:24840 pid:6160  tgid:6160  ppid:5824   task_flags:0x440040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 ext4_reserve_inode_write+0x294/0x360 fs/ext4/inode.c:6514
 __ext4_mark_inode_dirty+0x146/0x7b0 fs/ext4/inode.c:6699
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6736
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2744
 generic_update_time fs/inode.c:2252 [inline]
 file_update_time_flags+0x39f/0x450 fs/inode.c:2482
 ext4_page_mkwrite+0x225/0x1150 fs/ext4/inode.c:6902
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3816
 do_shared_fault mm/memory.c:6076 [inline]
 do_fault mm/memory.c:6138 [inline]
 do_pte_missing+0x734/0x28f0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault mm/memory.c:6707 [inline]
 handle_mm_fault+0xf64/0x28c0 mm/memory.c:6876
 do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f4a9c676c71
RSP: 002b:00007ffc48686c00 EFLAGS: 00010202
RAX: 0000001b30b64000 RBX: 0000000000000000 RCX: 000000000003fde8
RDX: 0000001b30b63fff RSI: 0000000000000008 RDI: 00007f4a9d565720
RBP: 00007f4a9d565720 R08: 0000000000000000 R09: 00007f4a9ca36038
R10: 00007f4a9d565700 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
 </TASK>
INFO: task syz.2.64:6161 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.64        state:D stack:27144 pid:6161  tgid:6161  ppid:5779   task_flags:0x440040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 ext4_reserve_inode_write+0x294/0x360 fs/ext4/inode.c:6514
 __ext4_mark_inode_dirty+0x146/0x7b0 fs/ext4/inode.c:6699
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6736
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2744
 generic_update_time fs/inode.c:2252 [inline]
 file_update_time_flags+0x39f/0x450 fs/inode.c:2482
 ext4_page_mkwrite+0x225/0x1150 fs/ext4/inode.c:6902
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3816
 do_shared_fault mm/memory.c:6076 [inline]
 do_fault mm/memory.c:6138 [inline]
 do_pte_missing+0x734/0x28f0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault mm/memory.c:6707 [inline]
 handle_mm_fault+0xf64/0x28c0 mm/memory.c:6876
 do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f951084bea3
RSP: 002b:00007fff8d2ad1a0 EFLAGS: 00010246
RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2da24000 RSI: 0000000000040000 RDI: 00007f9510bc3708
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff8d2ad430
 </TASK>
INFO: task syz.3.65:6163 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.65        state:D stack:28264 pid:6163  tgid:6163  ppid:5782   task_flags:0x440040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 ext4_reserve_inode_write+0x294/0x360 fs/ext4/inode.c:6514
 __ext4_mark_inode_dirty+0x146/0x7b0 fs/ext4/inode.c:6699
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6736
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2744
 generic_update_time fs/inode.c:2252 [inline]
 file_update_time_flags+0x39f/0x450 fs/inode.c:2482
 ext4_page_mkwrite+0x225/0x1150 fs/ext4/inode.c:6902
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3816
 do_shared_fault mm/memory.c:6076 [inline]
 do_fault mm/memory.c:6138 [inline]
 do_pte_missing+0x734/0x28f0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault mm/memory.c:6707 [inline]
 handle_mm_fault+0xf64/0x28c0 mm/memory.c:6876
 do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f40dce0bea3
RSP: 002b:00007ffe3788eb70 EFLAGS: 00010246
RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2db24000 RSI: 0000000000040000 RDI: 00007f40dd183708
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe3788ee00
 </TASK>
INFO: task syz.4.66:6164 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.66        state:D stack:27720 pid:6164  tgid:6164  ppid:5783   task_flags:0x440040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_bit_io include/linux/wait_bit.h:106 [inline]
 do_get_write_access+0x671/0x1090 fs/jbd2/transaction.c:1113
 jbd2_journal_get_write_access+0x1d7/0x230 fs/jbd2/transaction.c:1263
 __ext4_journal_get_write_access+0xf1/0x620 fs/ext4/ext4_jbd2.c:249
 ext4_reserve_inode_write+0x294/0x360 fs/ext4/inode.c:6514
 __ext4_mark_inode_dirty+0x146/0x7b0 fs/ext4/inode.c:6699
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6736
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2744
 generic_update_time fs/inode.c:2252 [inline]
 file_update_time_flags+0x39f/0x450 fs/inode.c:2482
 ext4_page_mkwrite+0x225/0x1150 fs/ext4/inode.c:6902
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3816
 do_shared_fault mm/memory.c:6076 [inline]
 do_fault mm/memory.c:6138 [inline]
 do_pte_missing+0x734/0x28f0 mm/memory.c:4700
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault mm/memory.c:6707 [inline]
 handle_mm_fault+0xf64/0x28c0 mm/memory.c:6876
 do_user_addr_fault+0xa4f/0x1340 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f8cb775bea3
RSP: 002b:00007fff45bccba0 EFLAGS: 00010246
RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2de24000 RSI: 0000000000040000 RDI: 00007f8cb7ad3708
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff45bcce30
 </TASK>
INFO: task syz-executor:6165 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:23440 pid:6165  tgid:6165  ppid:5625   task_flags:0x400000 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x16d9/0x5700 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 io_schedule+0x80/0xe0 kernel/sched/core.c:8220
 bit_wait_io+0x11/0xd0 kernel/sched/wait_bit.c:258
 __wait_on_bit+0xac/0x2f0 kernel/sched/wait_bit.c:52
 out_of_line_wait_on_bit+0x13b/0x190 kernel/sched/wait_bit.c:67
 wait_on_buffer include/linux/buffer_head.h:418 [inline]
 __ext4_find_entry+0xfbe/0x1930 fs/ext4/namei.c:1613
 ext4_lookup_entry fs/ext4/namei.c:1705 [inline]
 ext4_lookup+0x17b/0x710 fs/ext4/namei.c:1771
 lookup_one_qstr_excl+0x12d/0x360 fs/namei.c:1810
 __start_dirop fs/namei.c:2949 [inline]
 start_dirop fs/namei.c:2971 [inline]
 filename_create+0x20e/0x370 fs/namei.c:5121
 filename_mkdirat+0xd2/0x520 fs/namei.c:5465
 __do_sys_mkdir fs/namei.c:5499 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5496
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f216f8ab927
RSP: 002b:00007ffe2cb58fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffe2cb590d2 RCX: 00007f216f8ab927
RDX: 0000000008a33147 RSI: 00000000000001c0 RDI: 00007ffe2cb590c0
RBP: 8421084210842109 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000008a33147
R13: 00007ffe2cb590d2 R14: 0000000000000004 R15: 00007f216f93bdc0
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/37: 1, last CPU#0:
 #0: ffffffff8f1c3d00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffffffff8f1c3d00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8f1c3d00 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871
locks held by getty/5347: 2, on CPU#0:
 #0: ffff8880367b60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044db2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz-executor/5625: 3, on CPU#0:
 #0: ffff8880391ddeb8 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:619 [inline]
 #0: ffff8880391ddeb8 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:441 [inline]
 #0: ffff8880391ddeb8 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x36/0x340 mm/mmap_lock.c:501
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x203/0x1150 fs/ext4/inode.c:6901
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz-executor/5773: 3, on CPU#0:
 #0: ffff88802c336510 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:527
 #1: ffff88804b9e5320 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
 #1: ffff88804b9e5320 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2947 [inline]
 #1: ffff88804b9e5320 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2971 [inline]
 #1: ffff88804b9e5320 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x200/0x370 fs/namei.c:5121
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz.0.63/6160: 3, on CPU#1:
 #0: ffff88803b64b088 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500 mm/mmap_lock.c:310
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x203/0x1150 fs/ext4/inode.c:6901
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz.2.64/6161: 3, on CPU#0:
 #0: ffff888041094d08 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500 mm/mmap_lock.c:310
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x203/0x1150 fs/ext4/inode.c:6901
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz.3.65/6163: 3, on CPU#0:
 #0: ffff888022788bc8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500 mm/mmap_lock.c:310
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x203/0x1150 fs/ext4/inode.c:6901
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz.4.66/6164: 3, on CPU#0:
 #0: ffff888012a5e948 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500 mm/mmap_lock.c:310
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline]
 #1: ffff88802c336688 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x203/0x1150 fs/ext4/inode.c:6901
 #2: ffff88802c332bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200 fs/jbd2/transaction.c:444
locks held by syz-executor/6165: 2, on CPU#0:
 #0: ffff88802c336510 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:527
 #1: ffff888041d25e68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
 #1: ffff888041d25e68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2947 [inline]
 #1: ffff888041d25e68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2971 [inline]
 #1: ffff888041d25e68 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x200/0x370 fs/namei.c:5121

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123
 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66
 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 4b 5d 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 20 0f 00 fb f4 <e9> 7c d8 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc900001d7e40 EFLAGS: 00000246
RAX: 000000000007f21b RBX: ffffffff819abe50 RCX: 8000000000000001
RDX: 0000000000000001 RSI: ffffffff8d8c000f RDI: ffffffff8bcc6980
RBP: ffffc900001d7f10 R08: ffff8880b8533e9b R09: 1ffff110170a67d3
R10: dffffc0000000000 R11: ffffed10170a67d4 R12: 0000000000000000
R13: 1ffff11003bd4000 R14: 1ffff9200003afd0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124abb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb78f93660 CR3: 000000000efb0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/kernel/process.c:767 [inline]
 default_idle+0x9/0x20 arch/x86/kernel/process.c:768
 default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x2e0/0x540 kernel/sched/idle.c:355
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
 start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x157
 </TASK>

Crashes (3505):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/15 07:17 upstream 0fcb05b72344 8fb0ae89 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/09/07 04:23 upstream 1fc5a74b108f 4f7b22a0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/08/27 19:34 upstream 73e3f0710014 69a01293 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2024/06/08 09:30 upstream 96e09b8f8166 82c05ab8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 17:51 linux-next 2efb7a11f1aa 432c0077 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2026/08/21 01:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e1e6e541c5c9 1e72964b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in jbd2_journal_commit_transaction
2024/05/20 02:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 51474ab44abf c0f1611a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in jbd2_journal_commit_transaction
2026/10/07 04:15 upstream 69f80fef3153 f7710056 .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/09/23 01:11 upstream c4e9f74da438 5207b90e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/09/16 09:44 upstream 9b87fdc9af2f 12a0a44a .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/08/25 17:33 upstream 66498c75b4f8 a9a1fc32 .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/08/24 20:37 upstream 0a0d1d55dad5 b55bd4c3 .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/08/23 20:11 upstream 2709dd5ae32f 1e72964b .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/08/20 01:36 upstream e8bf40d15402 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/08/19 01:21 upstream 0f23d56f17fd 1e72964b .config strace log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/05/31 15:01 upstream 174914ea5513 6b4a8443 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/04/09 07:44 upstream 7f87a5ea75f0 38c8e246 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in jbd2_journal_commit_transaction
2026/08/20 18:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e1e6e541c5c9 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in jbd2_journal_commit_transaction
2024/05/13 16:21 linux-next 6ba6c795dc73 9026e142 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/23 23:13 upstream 734bef548a96 d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/22 06:09 upstream 9ba46df34488 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/22 00:56 upstream 9ba46df34488 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/21 23:44 upstream 9e947d96915a 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 19:01 upstream f47d223627f8 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 14:15 upstream f47d223627f8 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 07:25 upstream 32c52ec87d62 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/16 11:04 upstream 2f2f7eeef8b0 b1757810 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/16 05:44 upstream 2f2f7eeef8b0 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 15:33 upstream 4056b3c9d3c9 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 02:10 upstream ca3e345926b0 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/09 15:30 upstream af32da41b032 a8add9cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/05 14:12 upstream a90ee4305c4a 1995e6c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in jbd2_journal_commit_transaction
2026/09/24 17:21 upstream 62f4c998b297 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in jbd2_journal_commit_transaction
2026/08/31 16:17 upstream a23cbb05744b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2024/12/11 10:52 upstream f92f4749861b cfc402b4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2024/06/07 05:52 upstream 8a92980606e3 121701b6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2024/06/04 11:02 upstream f06ce441457d a1feae05 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2024/06/02 21:33 upstream 83814698cf48 3113787f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2024/06/01 05:16 upstream d8ec19857b09 3113787f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in jbd2_journal_commit_transaction
2024/05/04 17:33 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in jbd2_journal_commit_transaction
2025/02/20 02:20 upstream 6537cfb395f3 cbd8edab .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in jbd2_journal_commit_transaction
2026/06/16 22:19 upstream b1cbabe84ca1 a3998659 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream INFO: task hung in jbd2_journal_commit_transaction
2024/11/22 04:34 upstream fcc79e1714e8 4dfba277 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 22:34 net 7ec48f396a1d 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2026/07/29 23:17 net-next 2bb54b49e9d5 cb1587ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in jbd2_journal_commit_transaction
2026/10/23 09:24 linux-next bd1ecbb61afe d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/23 09:15 linux-next bd1ecbb61afe d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/23 06:45 linux-next bd1ecbb61afe 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/22 22:53 linux-next bd1ecbb61afe 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/22 14:31 linux-next bd1ecbb61afe 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/21 16:33 linux-next 9a482184d910 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/21 08:30 linux-next 8f7df005a756 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 12:53 linux-next 3d229ce89862 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 08:28 linux-next 3d229ce89862 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 06:09 linux-next 3d229ce89862 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 05:00 linux-next 3d229ce89862 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/20 00:36 linux-next 3d229ce89862 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 18:27 linux-next 2efb7a11f1aa 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 16:29 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 08:03 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 05:36 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 03:01 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 23:41 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 11:58 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 04:09 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 02:11 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/18 01:03 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/17 19:42 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/17 17:00 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/17 15:25 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/17 12:09 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/16 23:37 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/15 19:10 linux-next b810335a0699 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/15 15:16 linux-next d419d682257d 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/15 10:08 linux-next d419d682257d 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 21:10 linux-next d419d682257d 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 20:57 linux-next d419d682257d 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 16:46 linux-next d419d682257d 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/14 06:18 linux-next 1fffefb00cc0 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/08/25 02:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e1e6e541c5c9 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in jbd2_journal_commit_transaction
2025/05/10 03:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 588d032e9e56 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in jbd2_journal_commit_transaction
2024/06/01 20:18 linux-next 0e1980c40b6e 3113787f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in jbd2_journal_commit_transaction
2026/10/19 01:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7a19f0cc94ad 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in jbd2_journal_commit_transaction
2026/09/27 09:40 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 73ae59e97596 a3c7249d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat INFO: task hung in jbd2_journal_commit_transaction
2026/09/20 20:28 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 73ae59e97596 853b104b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in jbd2_journal_commit_transaction
2026/03/22 12:59 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 18be4ca5cb4e 5b92003d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: task hung in jbd2_journal_commit_transaction
* Struck through repros no longer work on HEAD.