INFO: task kworker/1:3:5860 blocked for more than 143 seconds.
Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:19688 pid:5860 tgid:5860 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: gfs2_recovery gfs2_recover_func
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0x165/0x360 kernel/sched/core.c:7058
io_schedule+0x80/0xd0 kernel/sched/core.c:7903
folio_wait_bit_common+0x6b0/0xb90 mm/filemap.c:1317
folio_wait_locked include/linux/pagemap.h:1214 [inline]
gfs2_jhead_process_page+0x16e/0x650 fs/gfs2/lops.c:472
gfs2_find_jhead+0xc9e/0xe10 fs/gfs2/lops.c:587
gfs2_recover_func+0x646/0x1d90 fs/gfs2/recovery.c:457
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.8.2140:16920 blocked for more than 145 seconds.
Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.2140 state:D stack:25224 pid:16920 tgid:16919 ppid:8549 task_flags:0x400140 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5357 [inline]
__schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0x165/0x360 kernel/sched/core.c:7058
bit_wait+0x11/0xd0 kernel/sched/wait_bit.c:240
__wait_on_bit+0xb9/0x310 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0x123/0x170 kernel/sched/wait_bit.c:67
wait_on_bit include/linux/wait_bit.h:77 [inline]
gfs2_recover_journal+0xda/0x140 fs/gfs2/recovery.c:577
init_journal+0x17cc/0x2260 fs/gfs2/ops_fstype.c:798
init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:851
gfs2_fill_super+0x1923/0x20d0 fs/gfs2/ops_fstype.c:1253
get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1692
gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1335
vfs_get_tree+0x8f/0x2b0 fs/super.c:1752
do_new_mount+0x2a2/0xa30 fs/namespace.c:3807
do_mount fs/namespace.c:4135 [inline]
__do_sys_mount fs/namespace.c:4346 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4323
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f483a59038a
RSP: 002b:00007f483b393e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f483b393ef0 RCX: 00007f483a59038a
RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f483b393eb0
RBP: 000020000001f680 R08: 00007f483b393ef0 R09: 0000000000000084
R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
R13: 00007f483b393eb0 R14: 000000000001f83a R15: 00002000000001c0
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]
watchdog+0xf60/0xfa0 kernel/hung_task.c:495
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 8168 Comm: kworker/u8:11 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: 0x0 (events_unbound)
RIP: 0010:sched_balance_newidle+0x363/0x1030 kernel/sched/fair.c:12735
Code: 53 15 e8 09 85 c0 74 22 48 c7 c7 a8 00 00 8e be ff ff ff ff e8 4e 11 e8 09 85 c0 75 0d e8 15 95 11 00 85 c0 0f 84 79 06 00 00 <4d> 8d bc 24 c0 0b 00 00 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c
RSP: 0018:ffffc9001d1ff8f8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88801bab1400 RCX: f2989a19536b0c00
RDX: 0000000000000000 RSI: ffffffff8be34be0 RDI: ffffffff8be34ba0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f4762a R12: ffff8880b8739f80
R13: ffffc9001d1ffbb0 R14: ffff8880b873adf0 R15: ffffc9001d1ffbb8
FS: 0000000000000000(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005575275f6b10 CR3: 000000000df36000 CR4: 00000000003526f0
Call Trace:
balance_fair+0x3b/0x80 kernel/sched/fair.c:8629
prev_balance kernel/sched/core.c:5973 [inline]
pick_next_task kernel/sched/core.c:6123 [inline]
__schedule+0x2b35/0x4cc0 kernel/sched/core.c:6902
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0x165/0x360 kernel/sched/core.c:7058
worker_thread+0xa82/0xda0 kernel/workqueue.c:3415
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245