syzbot


INFO: task hung in queue_log_writer

Status: upstream: reported C repro on 2023/01/08 18:46
Subsystems: reiserfs fat
[Documentation on labels]
Reported-by: syzbot+c360748f8febb365d65e@syzkaller.appspotmail.com
First crash: 521d, last: 492d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in queue_log_writer reiserfs C inconclusive inconclusive 110 380d 516d 0/28 auto-obsoleted due to no activity on 2023/12/25 14:05
linux-4.14 INFO: task hung in queue_log_writer reiserfs 1 492d 492d 0/1 upstream: reported on 2023/02/06 08:12

Sample crash report:
REISERFS (device loop4): checking transaction log (loop4)
REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
overlayfs: failed to resolve './file0': -2
REISERFS (device loop4): Using r5 hash to sort names
REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
INFO: task kworker/u4:2:37 blocked for more than 140 seconds.
REISERFS (device loop1): checking transaction log (loop1)
      Not tainted 4.19.211-syzkaller #0
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
kworker/u4:2    D25184    37      2 0x80000000
REISERFS (device loop1): Using r5 hash to sort names
REISERFS (device loop2): using ordered data mode
Workqueue: writeback wb_workfn (flush-7:3)
REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
Call Trace:
reiserfs: using flush barriers
REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support tmpfile.
REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage.
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support tmpfile.
REISERFS (device loop0): using ordered data mode
overlayfs: upper fs does not support file handles, falling back to index=off.
overlayfs: failed to resolve './file0': -2
overlayfs: upper fs does not support file handles, falling back to index=off.
overlayfs: failed to resolve './file0': -2
reiserfs: using flush barriers
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
REISERFS (device loop2): checking transaction log (loop2)
 queue_log_writer+0x27a/0x2d0 fs/reiserfs/journal.c:2990
REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop2): Using r5 hash to sort names
REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop0): Using r5 hash to sort names
 check_journal_end fs/reiserfs/journal.c:3687 [inline]
 do_journal_end+0x8c0/0x4840 fs/reiserfs/journal.c:4054
REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
 reiserfs_write_inode+0x27a/0x2d0 fs/reiserfs/inode.c:1789
overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support file handles, falling back to index=off.
 write_inode fs/fs-writeback.c:1244 [inline]
 __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647
overlayfs: failed to resolve './file0': -2
overlayfs: upper fs needs to support d_type.
 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support file handles, falling back to index=off.
 wb_do_writeback fs/fs-writeback.c:1965 [inline]
 wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006
overlayfs: failed to resolve './file0': -2
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INFO: task syz-executor192:10191 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor192 D25760 10191   8124 0x00000006
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 bit_wait+0x12/0x90 kernel/sched/wait_bit.c:197
 __wait_on_bit+0x7e/0x150 kernel/sched/wait_bit.c:48
 __inode_wait_for_writeback+0x153/0x1f0 fs/fs-writeback.c:1265
 inode_wait_for_writeback+0x22/0x30 fs/fs-writeback.c:1277
 evict+0x2b7/0x760 fs/inode.c:556
 iput_final fs/inode.c:1555 [inline]
 iput+0x4f1/0x860 fs/inode.c:1581
 dentry_unlink_inode+0x265/0x320 fs/dcache.c:374
 d_delete+0x210/0x280 fs/dcache.c:2372
 xattr_unlink+0x139/0x190 fs/reiserfs/xattr.c:96
 lookup_and_delete_xattr fs/reiserfs/xattr.c:492 [inline]
 reiserfs_xattr_set_handle+0x88e/0xb40 fs/reiserfs/xattr.c:527
 reiserfs_xattr_set+0x411/0x570 fs/reiserfs/xattr.c:631
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
 trusted_set+0xa6/0xd0 fs/reiserfs/xattr_trusted.c:30
REISERFS (device loop5): using ordered data mode
reiserfs: using flush barriers
 __vfs_removexattr+0xf3/0x160 fs/xattr.c:413
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
 __vfs_removexattr_locked+0x15c/0x340 fs/xattr.c:445
REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
 vfs_removexattr+0xc1/0x240 fs/xattr.c:466
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
overlayfs: upper fs needs to support d_type.
 ovl_make_workdir fs/overlayfs/super.c:1139 [inline]
 ovl_get_workdir fs/overlayfs/super.c:1198 [inline]
 ovl_fill_super+0x13f9/0x3f10 fs/overlayfs/super.c:1601
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support file handles, falling back to index=off.
overlayfs: failed to resolve './file0': -2
 mount_nodev+0x60/0x110 fs/super.c:1204
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f49578b9b19
Code: Bad RIP value.
RSP: 002b:00007f49578652f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f495793f7a0 RCX: 00007f49578b9b19
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f495790c2d8 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0079616c7265766f
R13: d5e172a4510865ec R14: 9837512483e3bdcd R15: 00007f495793f7a8
INFO: task syz-executor192:10231 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor192 D27728 10231   8124 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 wb_wait_for_completion+0x175/0x1f0 fs/fs-writeback.c:222
 sync_inodes_sb+0x19d/0x9a0 fs/fs-writeback.c:2459
 __sync_filesystem fs/sync.c:34 [inline]
 sync_filesystem+0x15c/0x250 fs/sync.c:67
 reiserfs_remount+0x150/0x1540 fs/reiserfs/super.c:1458
 do_remount_sb+0x1a0/0x6a0 fs/super.c:888
 do_remount fs/namespace.c:2313 [inline]
 do_mount+0x1a62/0x2f50 fs/namespace.c:2813
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f49578bafda
Code: Bad RIP value.
REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal
RSP: 002b:00007f494f844118 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
REISERFS (device loop4): using ordered data mode
reiserfs: using flush barriers
RAX: ffffffffffffffda RBX: 00007f494f8446b8 RCX: 00007f49578bafda
REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000
REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop2): using ordered data mode
RBP: 00000000ffffffff R08: 00007f494f8441b0 R09: 0000000000000000
reiserfs: using flush barriers
R10: 0000000001a484bc R11: 0000000000000286 R12: 00000000200001c0
R13: 0000000020000100 R14: 0000000000000000 R15: 00000000200006c0
REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30

Showing all locks held in the system:
REISERFS (device loop4): checking transaction log (loop4)
2 locks held by kworker/u4:2/37:
 #0: 00000000218834b0 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
 #1: 00000000f4be62ef ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
REISERFS (device loop0): using ordered data mode
REISERFS (device loop2): checking transaction log (loop2)
REISERFS (device loop4): Using r5 hash to sort names
1 lock held by khungtaskd/1570:
reiserfs: using flush barriers
REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
REISERFS (device loop2): Using r5 hash to sort names
REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
 #0: 00000000beadefa2 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop1): using ordered data mode
REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
reiserfs: using flush barriers
REISERFS (device loop0): Using r5 hash to sort names
REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage.
1 lock held by in:imklog/7811:
REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage.
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
overlayfs: upper fs needs to support d_type.
 #0: 00000000a9db8dc9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
4 locks held by syz-executor192/10191:
overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support tmpfile.
 #0: 00000000dc752a37 (&type->s_umount_key#46/1){+.+.}, at: alloc_super fs/super.c:226 [inline]
 #0: 00000000dc752a37 (&type->s_umount_key#46/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519
overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support file handles, falling back to index=off.
overlayfs: failed to resolve './file0': -2
overlayfs: upper fs does not support tmpfile.
REISERFS (device loop1): checking transaction log (loop1)
overlayfs: upper fs does not support file handles, falling back to index=off.
REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal
 #1: 00000000127a4eb3 (sb_writers#11){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline]
 #1: 00000000127a4eb3 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360
REISERFS (device loop1): Using r5 hash to sort names
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support file handles, falling back to index=off.
REISERFS (device loop5): using ordered data mode
overlayfs: failed to resolve './file0': -2
REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
overlayfs: failed to resolve './file0': -2
 #2: 000000009ed35052 (&type->i_mutex_dir_key#7){++++}, at: inode_lock include/linux/fs.h:748 [inline]
 #2: 000000009ed35052 (&type->i_mutex_dir_key#7){++++}, at: vfs_removexattr+0xb2/0x240 fs/xattr.c:465
REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage.
 #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline]
 #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:484 [inline]
 #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: reiserfs_xattr_set_handle+0x7fd/0xb40 fs/reiserfs/xattr.c:527
reiserfs: using flush barriers
overlayfs: upper fs needs to support d_type.
2 locks held by syz-executor192/10231:
 #0: 00000000aced0861 (&type->s_umount_key#47){+.+.}, at: do_remount fs/namespace.c:2307 [inline]
 #0: 00000000aced0861 (&type->s_umount_key#47){+.+.}, at: do_mount+0xa5b/0x2f50 fs/namespace.c:2813
REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
overlayfs: upper fs does not support tmpfile.
REISERFS (device loop5): checking transaction log (loop5)
REISERFS (device loop5): Using r5 hash to sort names
 #1: 00000000a4b88b9c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
 #1: 00000000a4b88b9c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
2 locks held by syz-executor192/20865:
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
overlayfs: upper fs does not support file handles, falling back to index=off.
overlayfs: failed to resolve './file0': -2
1 lock held by syz-executor192/20882:

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

NMI backtrace for cpu 1
overlayfs: upper fs needs to support d_type.
CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
overlayfs: upper fs does not support tmpfile.
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
overlayfs: upper fs does not support file handles, falling back to index=off.
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
overlayfs: failed to resolve './file0': -2
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8131 Comm: syz-executor192 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:mark_held_locks+0x8e/0xf0 kernel/locking/lockdep.c:2802
Code: 00 48 63 c3 48 8d 04 80 49 8d 34 c7 48 8d 7e 22 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 42 0f b6 04 30 38 d0 7f 04 84 c0 75 4c <0f> b6 46 22 44 89 e2 a8 03 0f 45 d5 a8 04 74 0c 4c 89 ef e8 fa ed
RSP: 0018:ffff888094d77948 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff11015f195cf
RDX: 0000000000000002 RSI: ffff8880af8cae08 RDI: ffff8880af8cae2a
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8880af8ca580 R14: dffffc0000000000 R15: ffff8880af8cae08
FS:  0000555555cee300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8216a5010 CR3: 00000000aa6d1000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2839 [inline]
 lockdep_hardirqs_on+0x3a8/0x5c0 kernel/locking/lockdep.c:2884
 lookup_bh_lru fs/buffer.c:1279 [inline]
 __find_get_block+0x24b/0xde0 fs/buffer.c:1291
 flush_commit_list.isra.0+0xb17/0x1e20 fs/reiserfs/journal.c:1058
 do_journal_end+0x350d/0x4840 fs/reiserfs/journal.c:4387
 reiserfs_sync_fs+0xf8/0x120 fs/reiserfs/super.c:78
 __sync_filesystem fs/sync.c:39 [inline]
 sync_filesystem+0x1b5/0x250 fs/sync.c:67
 generic_shutdown_super+0x70/0x370 fs/super.c:442
 kill_block_super+0x97/0xf0 fs/super.c:1185
 deactivate_locked_super+0x94/0x160 fs/super.c:329
 deactivate_super+0x174/0x1a0 fs/super.c:360
 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f49578baf17
Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 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:00007ffe1b625568 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f49578baf17
RDX: 00007ffe1b62562b RSI: 000000000000000a RDI: 00007ffe1b625620
RBP: 00007ffe1b625620 R08: 00000000ffffffff R09: 00007ffe1b625400
R10: 0000555555cef683 R11: 0000000000000202 R12: 00007ffe1b6266e0
R13: 0000555555cef5f0 R14: 00007ffe1b625590 R15: 00007ffe1b626700

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/06 10:59 linux-4.19.y 3f8a27f9e27b be607b78 .config console log report syz C [disk image] [vmlinux] [mounted in repro] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/02/02 20:07 linux-4.19.y 3f8a27f9e27b 16d19e30 .config console log report syz C [disk image] [vmlinux] [mounted in repro] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/02/03 14:56 linux-4.19.y 3f8a27f9e27b 1b2f701a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/02/03 01:52 linux-4.19.y 3f8a27f9e27b 16d19e30 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/02/02 17:25 linux-4.19.y 3f8a27f9e27b 16d19e30 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/01/27 08:51 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/01/20 08:54 linux-4.19.y 3f8a27f9e27b dd15ff29 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
2023/01/08 18:45 linux-4.19.y 3f8a27f9e27b 1dac8c7a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in queue_log_writer
* Struck through repros no longer work on HEAD.