Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/09/16 | upstream (ToT) | 57d88e8a5974 | C | [report] INFO: task hung in flush_old_commits |
syzbot |
sign-in | mailing list | source | docs |
Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/09/16 | upstream (ToT) | 57d88e8a5974 | C | [report] INFO: task hung in flush_old_commits |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | INFO: task hung in flush_old_commits origin:upstream | C | error | 128 | 11d | 598d | 0/3 | upstream: reported C repro on 2023/03/21 14:16 | |
upstream | INFO: task hung in flush_old_commits reiserfs | C | done | done | 113 | 284d | 535d | 0/28 | auto-obsoleted due to no activity on 2024/04/23 04:32 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/09/17 03:25 | 1h34m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/07/25 13:49 | 1h59m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/05/07 19:13 | 1h20m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/04/03 13:12 | 1h50m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/02/03 15:34 | 1h21m (2) | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/12/31 19:11 | 2h01m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/12/01 14:25 | 1h50m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/10/31 09:07 | 2h01m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/09/01 04:02 | 2h17m | bisect fix | linux-6.1.y | OK (0) job log log |
INFO: task kworker/1:1:26 blocked for more than 143 seconds. Not tainted 6.1.80-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:25464 pid:26 ppid:2 flags:0x00004000 Workqueue: events_long flush_old_commits Call Trace: <TASK> context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747 reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27 reiserfs_sync_fs fs/reiserfs/super.c:76 [inline] flush_old_commits+0x1df/0x2e0 fs/reiserfs/super.c:111 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d12aa90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d12b290 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 4 locks held by kworker/1:1/26: #0: ffff888012471138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #1: ffffc90000a1fd20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #2: ffff88801eb220e0 (&type->s_umount_key#41){++++}-{3:3} , at: flush_old_commits+0xc7/0x2e0 fs/reiserfs/super.c:97 #3: ffff888019b20090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27 1 lock held by khungtaskd/28: #0: ffffffff8d12a8c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:319 [inline] #0: ffffffff8d12a8c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:760 [inline] #0: ffffffff8d12a8c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494 2 locks held by getty/3301: #0: ffff88814b700098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188 6 locks held by syz-executor230/3565: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.80-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xf88/0xfd0 kernel/hung_task.c:377 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3565 Comm: syz-executor230 Not tainted 6.1.80-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203 Code: e8 25 00 00 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 58 9f e8 0c 48 89 de 5b e9 b7 9e 56 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 24 f0 77 7e 65 8b 15 25 f0 77 7e f7 c2 00 RSP: 0018:ffffc900000e6458 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff8aecb0e1 RCX: ffff88807e6ebb80 RDX: ffff88807e6ebb80 RSI: 0000000000000025 RDI: 0000000000000000 RBP: ffffc900000e6550 R08: ffffffff8a83d7f5 R09: ffffffff8a83d4ac R10: 0000000000000002 R11: ffff88807e6ebb80 R12: ffffffff8aecb0e0 R13: 1ffff9200001cc9c R14: ffffffff8aecb0e1 R15: 0000000000000025 FS: 00005555564d4380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc2a72d088 CR3: 0000000013ec4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> format_decode+0x72f/0x1f10 lib/vsprintf.c:2545 vsnprintf+0x14d/0x1c70 lib/vsprintf.c:2757 sprintf+0xd6/0x120 lib/vsprintf.c:3009 print_time kernel/printk/printk.c:1274 [inline] info_print_prefix+0x167/0x300 kernel/printk/printk.c:1300 record_print_text kernel/printk/printk.c:1349 [inline] console_emit_next_record+0x71c/0xea0 kernel/printk/printk.c:2725 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 __reiserfs_warning+0x14f/0x1a0 fs/reiserfs/prints.c:290 reiserfs_read_bitmap_block+0x232/0x6c0 fs/reiserfs/bitmap.c:1434 scan_bitmap_block+0x19d/0xfe0 fs/reiserfs/bitmap.c:164 scan_bitmap fs/reiserfs/bitmap.c:402 [inline] allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline] blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline] reiserfs_allocate_blocknrs+0x2cf5/0x5070 fs/reiserfs/bitmap.c:1375 reiserfs_get_block+0x3296/0x5150 fs/reiserfs/inode.c:756 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991 reiserfs_write_begin+0x249/0x510 fs/reiserfs/inode.c:2775 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3817 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3945 generic_file_write_iter+0xab/0x310 mm/filemap.c:3977 call_write_iter include/linux/fs.h:2251 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7ae/0xba0 fs/read_write.c:584 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4d9970af99 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc65e2b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f4d99754095 RCX: 00007f4d9970af99 RDX: 00000000000000c1 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007f4d997805f0 R08: 0000000020000000 R09: 00005555564d54c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc65e2b0f0 R13: 00007ffc65e2b318 R14: 431bde82d7b634db R15: 00007f4d9975401d </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.357 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/03/03 20:44 | linux-6.1.y | a3eb3a74aa8c | 25905f5d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | |
2023/09/16 13:26 | linux-6.1.y | 09045dae0d90 | 0b6a67ac | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | |
2023/05/19 06:31 | linux-6.1.y | fa74641fb6b9 | 3bb7af1d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | |
2023/06/24 08:39 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | |
2023/06/22 01:32 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | |
2024/10/24 13:22 | linux-6.1.y | 7ec6f9fa3d97 | 0d144d1a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/09/24 06:27 | linux-6.1.y | e526b12bf916 | 89298aad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/09/24 06:26 | linux-6.1.y | e526b12bf916 | 89298aad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/06/06 00:36 | linux-6.1.y | 88690811da69 | 5aa1a7c9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/06/05 23:56 | linux-6.1.y | 88690811da69 | 5aa1a7c9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/06/05 23:16 | linux-6.1.y | 88690811da69 | 5aa1a7c9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/05/23 12:07 | linux-6.1.y | 4078fa637fcd | 4c2072ee | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2023/09/27 06:21 | linux-6.1.y | d23900f974e0 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in flush_old_commits | ||
2024/10/29 23:58 | linux-6.1.y | 7ec6f9fa3d97 | 66aeb999 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/23 04:15 | linux-6.1.y | 7ec6f9fa3d97 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/22 21:07 | linux-6.1.y | 7ec6f9fa3d97 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/20 19:10 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/20 19:10 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/16 03:14 | linux-6.1.y | aa4cd140bba5 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/10 20:56 | linux-6.1.y | aa4cd140bba5 | 8fbfc0c8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/08 10:01 | linux-6.1.y | aa4cd140bba5 | 402f1df0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/10/03 08:24 | linux-6.1.y | aa4cd140bba5 | a4c7fd36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/09/27 23:00 | linux-6.1.y | e526b12bf916 | 440b26ec | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/09/22 06:59 | linux-6.1.y | e526b12bf916 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/13 19:57 | linux-6.1.y | 36790ef5e00b | f21a18ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/11 14:06 | linux-6.1.y | 36790ef5e00b | 6f4edef4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/08 17:51 | linux-6.1.y | 48d525b0e463 | 61405512 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/06 17:19 | linux-6.1.y | 48d525b0e463 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/06 17:17 | linux-6.1.y | 48d525b0e463 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/06 17:17 | linux-6.1.y | 48d525b0e463 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/06 17:17 | linux-6.1.y | 48d525b0e463 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/06 05:17 | linux-6.1.y | 48d525b0e463 | e1bdb00a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/08/05 18:33 | linux-6.1.y | 48d525b0e463 | e35c337f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/06/09 22:51 | linux-6.1.y | 88690811da69 | 82c05ab8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2024/06/09 22:40 | linux-6.1.y | 88690811da69 | 82c05ab8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/09/30 11:12 | linux-6.1.y | d23900f974e0 | 8e26a358 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/06/08 23:01 | linux-6.1.y | 76ba310227d2 | 058b3a5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/06/08 21:24 | linux-6.1.y | 76ba310227d2 | 058b3a5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/06/04 23:35 | linux-6.1.y | d2869ace6eeb | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/05/22 14:04 | linux-6.1.y | fa74641fb6b9 | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/04/22 17:33 | linux-6.1.y | f17b0ab65d17 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/04/22 06:09 | linux-6.1.y | f17b0ab65d17 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/04/19 02:26 | linux-6.1.y | 0102425ac76b | d931e9f0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/04/05 05:19 | linux-6.1.y | 3b29299e5f60 | 831373d3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits | ||
2023/04/04 05:08 | linux-6.1.y | 3b29299e5f60 | 41147e3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in flush_old_commits |