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INFO: task hung in blkdev_fallocate

Status: upstream: reported C repro on 2022/01/03 09:11
Subsystems: block
[Documentation on labels]
Reported-by: syzbot+39b75c02b8be0a061bfc@syzkaller.appspotmail.com
First crash: 1669d, last: 14h30m
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Duplicate bugs (1)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task can't die in blkdev_common_ioctl block 1 C 388 150d 1513d 0/29 closed as dup on 2022/04/02 11:26
▶ ▼ Discussions (31)
Title Replies (including bot) Last reply
[syzbot] Monthly block report (May 2026) 0 (1) 2026/05/04 04:32
[syzbot] Monthly block report (Mar 2026) 0 (1) 2026/03/03 23:41
[syzbot] Monthly block report (Jan 2026) 0 (1) 2026/01/30 12:35
[syzbot] Monthly block report (Dec 2025) 0 (1) 2025/12/30 09:52
[syzbot] Monthly block report (Nov 2025) 0 (1) 2025/11/28 21:21
[syzbot] Monthly block report (Sep 2025) 0 (1) 2025/09/27 20:43
[syzbot] Monthly block report (Aug 2025) 0 (1) 2025/08/27 08:15
[syzbot] Monthly block report (Jul 2025) 0 (1) 2025/07/27 10:41
[syzbot] Monthly block report (Jun 2025) 0 (1) 2025/06/26 05:36
[syzbot] Monthly block report (Mar 2025) 0 (1) 2025/03/24 18:56
[syzbot] Monthly block report (Jan 2025) 0 (1) 2025/01/20 13:06
[syzbot] Monthly block report (Nov 2024) 0 (1) 2024/11/18 10:38
[syzbot] Monthly block report (Oct 2024) 0 (1) 2024/10/16 15:35
[syzbot] Monthly block report (Jul 2024) 0 (1) 2024/07/15 11:51
[syzbot] Monthly block report (Jun 2024) 0 (1) 2024/06/14 08:06
[syzbot] Monthly block report (May 2024) 0 (1) 2024/05/13 21:12
[syzbot] Monthly block report (Apr 2024) 0 (1) 2024/04/12 13:18
[syzbot] Monthly block report (Mar 2024) 0 (1) 2024/03/12 09:29
[syzbot] Monthly block report (Feb 2024) 0 (1) 2024/02/09 20:57
[syzbot] Monthly block report (Jan 2024) 0 (1) 2024/01/09 18:20
[syzbot] Monthly block report (Dec 2023) 0 (1) 2023/12/10 10:05
[syzbot] Monthly block report (Oct 2023) 0 (1) 2023/10/09 09:23
[syzbot] Monthly block report (Sep 2023) 0 (1) 2023/09/07 09:25
[syzbot] Monthly block report (Aug 2023) 0 (1) 2023/08/07 07:28
[syzbot] Monthly block report (Jul 2023) 0 (1) 2023/07/06 14:17
[syzbot] Monthly block report (Jun 2023) 0 (1) 2023/06/07 09:10
[syzbot] Monthly block report (May 2023) 0 (1) 2023/05/05 08:06
[syzbot] Monthly block report 0 (1) 2023/04/03 16:00
[PATCH v2] block: add filemap_invalidate_lock_killable() 3 (3) 2022/09/28 11:16
[PATCH] block: add filemap_invalidate_lock_killable() 5 (5) 2022/02/14 08:17
[syzbot] INFO: task hung in blkdev_fallocate 0 (1) 2022/01/03 09:11
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in blkdev_fallocate origin:upstream 1 C error 35 3d15h 1168d 0/3 upstream: reported C repro on 2023/03/12 23:16
linux-6.1 INFO: task hung in blkdev_fallocate origin:upstream 1 C error 29 62d 1173d 0/3 upstream: reported C repro on 2023/03/08 05:38
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2026/05/03 02:15 29m retest repro upstream report log
2026/05/03 02:15 39m retest repro upstream report log
2026/05/03 02:15 32m retest repro upstream report log
2026/05/03 02:15 36m retest repro upstream report log
2026/05/03 02:15 29m retest repro upstream report log
2026/03/30 01:05 1h13m retest repro upstream report log
2026/03/30 01:05 48m retest repro upstream report log
2026/03/30 01:05 37m retest repro upstream report log
2026/03/30 01:05 35m retest repro upstream report log
2026/03/30 00:50 15m retest repro upstream error

Sample crash report:
INFO: task syz.1.18:6106 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.18        state:D stack:27000 pid:6106  tgid:6106  ppid:5792   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x883/0x1080 kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0x1bc/0x200 kernel/locking/rwsem.c:1626
 inode_lock include/linux/fs.h:1029 [inline]
 blkdev_fallocate+0x260/0x530 block/fops.c:907
 vfs_fallocate+0x669/0x7e0 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f0879cdd9
RSP: 002b:00007ffd06e049c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f5f08a15fa0 RCX: 00007f5f0879cdd9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f5f08832d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000003fc0000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5f08a15fac R14: 00007f5f08a15fa0 R15: 00007f5f08a15fa0
 </TASK>
INFO: task syz.5.22:6107 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.22        state:D stack:27000 pid:6107  tgid:6107  ppid:5801   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x883/0x1080 kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0x1bc/0x200 kernel/locking/rwsem.c:1626
 inode_lock include/linux/fs.h:1029 [inline]
 blkdev_fallocate+0x260/0x530 block/fops.c:907
 vfs_fallocate+0x669/0x7e0 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8283d9cdd9
RSP: 002b:00007fff4bdf3f88 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f8284015fa0 RCX: 00007f8283d9cdd9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f8283e32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000003fc0000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8284015fac R14: 00007f8284015fa0 R15: 00007f8284015fa0
 </TASK>
INFO: task syz.0.17:6108 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:26960 pid:6108  tgid:6108  ppid:5788   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x883/0x1080 kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0x1bc/0x200 kernel/locking/rwsem.c:1626
 inode_lock include/linux/fs.h:1029 [inline]
 blkdev_fallocate+0x260/0x530 block/fops.c:907
 vfs_fallocate+0x669/0x7e0 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e3859cdd9
RSP: 002b:00007fff0d1c6358 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f4e38815fa0 RCX: 00007f4e3859cdd9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f4e38632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000003fc0000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e38815fac R14: 00007f4e38815fa0 R15: 00007f4e38815fa0
 </TASK>
INFO: task syz.3.20:6109 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20        state:D stack:27000 pid:6109  tgid:6109  ppid:5800   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x883/0x1080 kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0x1bc/0x200 kernel/locking/rwsem.c:1626
 inode_lock include/linux/fs.h:1029 [inline]
 blkdev_fallocate+0x260/0x530 block/fops.c:907
 vfs_fallocate+0x669/0x7e0 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f56d0f9cdd9
RSP: 002b:00007ffe3cf32f08 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f56d1215fa0 RCX: 00007f56d0f9cdd9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f56d1032d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000003fc0000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f56d1215fac R14: 00007f56d1215fa0 R15: 00007f56d1215fa0
 </TASK>
INFO: task syz.4.21:6110 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.21        state:D stack:26824 pid:6110  tgid:6110  ppid:5809   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x883/0x1080 kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0x1bc/0x200 kernel/locking/rwsem.c:1626
 inode_lock include/linux/fs.h:1029 [inline]
 blkdev_fallocate+0x260/0x530 block/fops.c:907
 vfs_fallocate+0x669/0x7e0 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:365
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f48bd39cdd9
RSP: 002b:00007fff3eeba7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f48bd615fa0 RCX: 00007f48bd39cdd9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f48bd432d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000003fc0000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f48bd615fac R14: 00007f48bd615fa0 R15: 00007f48bd615fa0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
2 locks held by kworker/0:2/802:
4 locks held by kworker/u8:8/1122:
4 locks held by kworker/u8:10/1177:
2 locks held by getty/5380:
 #0: ffff88803723f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:4/5772:
 #0: ffff88813fe43140 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline]
 #0: ffff88813fe43140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385
 #1: ffffc9000348fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline]
 #1: ffffc9000348fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385
 #2: ffff88804e784250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0 drivers/net/netdevsim/fib.c:1490
3 locks held by kworker/u9:3/5791:
 #0: ffff888055910940 ((wq_completion)hci12){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3277 [inline]
 #0: ffff888055910940 ((wq_completion)hci12){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 kernel/workqueue.c:3385
 #1: ffffc9000344fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3278 [inline]
 #1: ffffc9000344fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 kernel/workqueue.c:3385
 #2: ffff88807ed28ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400 net/bluetooth/hci_sync.c:331
3 locks held by syz.2.19/6067:
1 lock held by syz.1.18/6106:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.5.22/6107:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.0.17/6108:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.3.20/6109:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.4.21/6110:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.6.23/6263:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.8.25/6338:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.9.26/6345:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.2.27/6346:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.7.24/6347:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.1.28/6348:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.5.29/6393:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.0.30/6507:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.4.32/6548:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.3.31/6601:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.8.34/6610:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.6.33/6611:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.9.35/6634:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.7.36/6679:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.2.37/6754:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.1.38/6849:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.0.40/6874:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.5.39/6878:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.4.41/6882:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.3.42/6907:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.6.43/6940:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.8.44/7106:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.9.45/7162:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.7.46/7174:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.2.47/7180:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.1.48/7187:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.5.49/7188:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.0.50/7225:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.4.51/7349:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
3 locks held by syz-executor/7392:
 #0: ffffffff8fdd00c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffffffff8fdd00c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
 #0: ffffffff8fdd00c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0x1bb0 net/core/rtnetlink.c:4109
 #1: ffff8880409b5590 (&wg->device_update_lock){+.+.}-{4:4}, at: wg_open+0x227/0x420 drivers/net/wireguard/device.c:50
 #2: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:311 [inline]
 #2: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770 kernel/rcu/tree_exp.h:961
1 lock held by syz.3.52/7402:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.8.54/7438:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.6.53/7443:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907
1 lock held by syz.9.55/7450:
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline]
 #0: ffff888026d44168 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 block/fops.c:907

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [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+0xfd3/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 1166 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:memcpy+0xe/0x20 arch/x86/lib/memcpy_64.S:39
Code: cc cc cc cc cc 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 48 89 f8 48 89 d1 f3 a4 <e9> 38 69 67 f5 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90005ac71b8 EFLAGS: 00000202
RAX: ffffffff9a4899a0 RBX: 0000000000000020 RCX: 0000000000000000
RDX: 0000000000000020 RSI: ffffffff9a464300 RDI: ffffffff9a4899c0
RBP: ffffc90005ac7340 R08: ffffffff9a4899bf R09: 1ffffffff3491337
R10: dffffc0000000000 R11: fffffbfff3491338 R12: ffffffff8e872f20
R13: 3ffffffffffff44e R14: ffffffff9a489900 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812528d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558c95118900 CR3: 000000007b5ca000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 copy_data kernel/printk/printk_ringbuffer.c:1911 [inline]
 prb_read kernel/printk/printk_ringbuffer.c:1996 [inline]
 _prb_read_valid+0x6ef/0xab0 kernel/printk/printk_ringbuffer.c:2173
 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2245
 printk_get_next_message+0x18b/0x880 kernel/printk/printk.c:3052
 console_emit_next_record kernel/printk/printk.c:3137 [inline]
 console_flush_one_record kernel/printk/printk.c:3269 [inline]
 console_flush_all+0x501/0xb20 kernel/printk/printk.c:3343
 __console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
 console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
 vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
 _printk+0xdd/0x130 kernel/printk/printk.c:2504
 ieee80211_sta_find_ibss net/mac80211/ibss.c:1437 [inline]
 ieee80211_ibss_work+0xdd2/0x10a0 net/mac80211/ibss.c:1660
 cfg80211_wiphy_work+0x2cf/0x460 net/wireless/core.c:513
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 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>

Crashes (1721):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/10 04:39 upstream 1bfaee9d3351 29233ece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2026/05/05 20:07 upstream a293ec25d59d 06e69a27 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2026/04/18 14:57 upstream 8541d8f725c6 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2026/04/15 09:37 upstream 508fed679541 e2e976a8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2026/04/11 19:54 upstream e774d5f1bc27 38c8e246 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2026/04/05 11:55 upstream 3aae9383f42f 4440e7c2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2026/03/01 23:49 upstream eb71ab2bf722 43249bac .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2026/02/23 06:17 upstream 6de23f81a5e0 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/11/30 11:36 upstream 6bda50f4333f d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/10/28 11:37 upstream fd57572253bc fd2207e7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/10/24 18:35 upstream 6fab32bb6508 c0460fcd .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/08/17 18:18 upstream 99bade344cfa 1804e95e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/06/21 23:11 upstream f7301f856d35 d6cdfb8a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/06/08 14:53 upstream 8630c59e9936 4826c28e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/06/03 17:53 upstream 546b1c9e93c2 a30356b7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/05/30 01:07 upstream e0797d3b91de 3d2f584d .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/03/18 22:16 upstream fc444ada1310 22a6c2b1 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/03/17 21:21 upstream 4701f33a1070 948c34e4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/03/15 23:58 upstream 3571e8b091f4 e2826670 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/02/16 08:42 upstream 496659003dac 40a34ec9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/02/11 08:46 upstream febbc555cf0f 43f51a00 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/01/19 09:55 upstream fda5e3f28400 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2025/01/18 14:58 upstream 595523945be0 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/30 03:47 upstream 4099a71718b0 d3ccff63 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/12/29 06:46 upstream 059dd502b263 d3ccff63 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/12/28 01:03 upstream 8379578b11d5 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/12/25 23:23 upstream 9b2ffa6148b1 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/24 10:52 upstream f07044dd0df0 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/12/19 08:32 upstream c061cf420ded 1432fc84 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/08 04:58 upstream 7503345ac5f5 9ac0fdc6 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/11/21 22:54 upstream fcc79e1714e8 4b25d554 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/11/12 16:50 upstream 2d5404caa8c7 75bb1b32 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/11/05 23:03 upstream 2e1b3cc9d7f7 da38b4c9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/21 08:55 upstream c55228220dd3 cd6fc0a3 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/10/10 13:09 upstream d3d1556696c1 0278d004 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/09 11:45 upstream 75b607fab38d 402f1df0 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/07 22:49 upstream 87d6aab2389e d7906eff .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/07 08:43 upstream 8cf0b93919e1 d7906eff .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/02 16:32 upstream e32cde8d2bd7 02f9582a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/09/28 15:12 upstream ad46e8f95e93 440b26ec .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/09/28 11:35 upstream ad46e8f95e93 440b26ec .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/09/25 19:50 upstream 684a64bf32b6 349a68c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/09/22 20:17 upstream a430d95c5efa 6f888b75 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/09/11 16:01 upstream 8d8d276ba2fb 9326a104 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/09/02 13:22 upstream c9f016e72b5c 1eda0d14 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/06/23 15:10 upstream 5f583a3162ff edc5149a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/05/29 06:31 upstream e0cce98fe279 34889ee3 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/05/11 10:26 upstream f4345f05c0df 9026e142 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/05/01 18:21 upstream 18daea77cca6 3ba885bc .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2024/04/25 06:44 upstream e88c4cfcb7b8 8bdc0f22 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/02/26 22:17 upstream d206a76d7d27 edd6a5e9 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/02/26 04:44 upstream 70ff1fe626a1 8d446f15 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/02/15 15:35 upstream 8d3dea210042 d9b1cdd5 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/01/27 21:17 upstream 3a5879d495b2 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/01/27 17:04 upstream 3a5879d495b2 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/01/27 04:42 upstream 168174d78157 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/01/27 03:17 upstream 168174d78157 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/01/26 02:46 upstream ecb1b8288dc7 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/01/26 01:15 upstream ecb1b8288dc7 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/01/17 13:23 upstream 052d534373b7 2a7bcc7f .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/01/03 06:24 upstream 610a9b8f49fb fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/01/02 13:05 upstream 610a9b8f49fb fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2023/12/26 08:08 upstream fbafc3e621c3 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2023/12/26 03:04 upstream fbafc3e621c3 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2023/12/25 22:54 upstream 861deac3b092 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/07/13 01:38 upstream 3f31a806a62e 3cda49cf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in blkdev_fallocate
2024/10/31 00:58 upstream 4236f913808c fb888278 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in blkdev_fallocate
2024/10/26 18:11 upstream 850925a8133c 65e8686b .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in blkdev_fallocate
2024/10/21 09:16 upstream db87114dcf13 cd6fc0a3 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in blkdev_fallocate
2023/07/31 00:30 upstream d31e3792919e 2a0d0f29 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2023/07/28 08:58 upstream 57012c57536f 92476829 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2023/06/15 11:45 upstream b6dad5178cea 76decb82 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2023/05/31 23:14 upstream 48b1320a674e e2a77acd .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2023/05/01 15:12 upstream 58390c8ce1bd 62df2017 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2021/12/30 08:55 upstream eec4df26e24e 6cc879d4 .config console log report syz C ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2026/02/22 18:40 linux-next d4906ae14a5f 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in blkdev_fallocate
2025/12/03 11:07 linux-next b2c27842ba85 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in blkdev_fallocate
2025/02/13 01:05 linux-next c674aa7c289e b27c2402 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in blkdev_fallocate
2025/01/26 00:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 9fbd772e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2024/01/03 01:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2023/12/26 06:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2023/11/28 07:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2cc14f52aeb7 9fe51b7c .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/12/08 04:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/10/05 18:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 49379ee0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/09/10 19:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c199ef1fa61a fdeaa69b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/09/01 23:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/08/28 21:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 443c11c7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/08/24 18:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bf27483f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/14 08:59 upstream e1914add2799 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2026/03/01 17:01 upstream eb71ab2bf722 43249bac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/11/25 14:00 upstream ac3fd01e4c1e 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/08/22 14:21 upstream 3957a5720157 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/06/17 11:10 upstream 9afe652958c3 cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/03/23 23:47 upstream 586de92313fc 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/03/21 16:41 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/02/18 08:34 upstream 2408a807bfc3 c37c7249 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/02/01 01:45 upstream 69b8923f5003 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2025/01/21 02:28 upstream ffd294d346d1 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in blkdev_fallocate
2025/01/18 10:49 upstream 595523945be0 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2025/01/11 19:07 upstream 77a903cd8e5a 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/31 21:44 upstream ccb98ccef0e5 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/29 16:34 upstream 059dd502b263 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/24 09:21 upstream f07044dd0df0 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/16 14:05 upstream 78d4f34e2115 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/12/11 00:35 upstream 7cb1b4663150 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/11/22 15:36 upstream 28eb75e178d3 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/11/12 15:42 upstream 2d5404caa8c7 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/10/27 10:12 upstream 850925a8133c 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in blkdev_fallocate
2024/10/24 09:14 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/10/23 11:38 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/23 05:32 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in blkdev_fallocate
2024/10/22 14:18 upstream c2ee9f594da8 9d74f456 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2024/10/22 14:18 upstream c2ee9f594da8 9d74f456 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in blkdev_fallocate
2025/12/18 13:11 upstream ea1013c15392 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in blkdev_fallocate
2024/10/24 10:42 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in blkdev_fallocate
2024/10/23 02:28 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in blkdev_fallocate
2024/10/22 12:23 upstream c2ee9f594da8 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in blkdev_fallocate
2024/09/21 13:17 upstream 1868f9d0260e 6f888b75 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in blkdev_fallocate
2021/10/28 21:23 upstream 1fc596a56b33 be531bb4 .config console log report info ci-upstream-kasan-gce-root INFO: task hung in blkdev_fallocate
2026/02/16 07:17 linux-next 635c467cc14e 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in blkdev_fallocate
2024/12/21 16:00 linux-next 8155b4ef3466 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in blkdev_fallocate
2026/05/24 07:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/23 07:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/22 05:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f e195359d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/18 20:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/16 12:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 a15a64a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/14 03:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/13 11:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/12 01:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/11 22:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/08 07:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 5633175a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/08 02:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e358bca5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/05/07 12:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 f250db59 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2026/02/01 11:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/08/03 05:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2025/01/21 10:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in blkdev_fallocate
2024/11/01 13:08 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 5f153a692bac 96eb609f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: task hung in blkdev_fallocate
2024/10/22 17:34 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes c05ad457ce8c 9d74f456 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: task hung in blkdev_fallocate
2021/11/30 06:01 linux-next f81e94e91878 d0830353 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task can't die in blkdev_fallocate
* Struck through repros no longer work on HEAD.