INFO: task kworker/0:2:937 blocked for more than 143 seconds.
Not tainted 6.11.0-syzkaller-10220-g6db6a19f1ae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:23480 pid:937 tgid:937 ppid:2 flags:0x00004000
Workqueue: gfs2_recovery gfs2_recover_func
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
io_schedule+0x8d/0x110 kernel/sched/core.c:7552
folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1309
folio_wait_locked include/linux/pagemap.h:1223 [inline]
gfs2_jhead_process_page+0x194/0x750 fs/gfs2/lops.c:470
gfs2_find_jhead+0xd68/0xf10 fs/gfs2/lops.c:587
gfs2_recover_func+0x6c1/0x1f20 fs/gfs2/recovery.c:460
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor.0:5587 blocked for more than 143 seconds.
Not tainted 6.11.0-syzkaller-10220-g6db6a19f1ae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:22104 pid:5587 tgid:5586 ppid:5524 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
bit_wait+0x12/0xd0 kernel/sched/wait_bit.c:199
__wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_recover_journal+0xf2/0x160 fs/gfs2/recovery.c:577
init_journal+0x1855/0x2420 fs/gfs2/ops_fstype.c:811
init_inodes+0xdc/0x320 fs/gfs2/ops_fstype.c:864
gfs2_fill_super+0x1bd1/0x24d0 fs/gfs2/ops_fstype.c:1249
get_tree_bdev+0x3f7/0x570 fs/super.c:1635
gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1330
vfs_get_tree+0x90/0x2b0 fs/super.c:1800
do_new_mount+0x2be/0xb40 fs/namespace.c:3507
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4055 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f26c007e4aa
RSP: 002b:00007f26c0e86ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f26c0e86f80 RCX: 00007f26c007e4aa
RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007f26c0e86f40
RBP: 0000000020037f40 R08: 00007f26c0e86f80 R09: 0000000000004000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000020037f80
R13: 00007f26c0e86f40 R14: 0000000000037f56 R15: 0000000020037fc0
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6701
2 locks held by kworker/0:2/937:
#0: ffff88801eb49d48 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801eb49d48 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90003a47d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90003a47d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
2 locks held by getty/4973:
#0: ffff88814bde90a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/5587:
#0: ffff88803108a0e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344
3 locks held by syz-executor.0/6579:
#0: ffff8880b863ea58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:593
#1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a7/0x770 kernel/sched/psi.c:977
#2: ffffffff9a5d4138 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-10220-g6db6a19f1ae3-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5896 Comm: syz-executor.0 Not tainted 6.11.0-syzkaller-10220-g6db6a19f1ae3-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:trace_hardirqs_off_finish+0xb/0x30 kernel/trace/trace_preemptirq.c:75
Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 bd e4 66 7e <85> c0 74 05 c3 cc cc cc cc 65 c7 05 a9 e4 66 7e 01 00 00 00 48 8b
RSP: 0018:ffffc9000494ff08 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffffc9000494ff10 RCX: 0000000000044400
RDX: 0000000000000000 RSI: ffffffff8c0aca40 RDI: ffffffff8c601b60
RBP: ffffc9000494ff48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888026d43c00
R13: 0000000000000000 R14: ffffc9000494ff58 R15: 00000000000000e6
FS: 00005555685d9480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6cb89d000 CR3: 0000000027516000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
enter_from_user_mode include/linux/entry-common.h:116 [inline]
syscall_enter_from_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0xaf/0x230 arch/x86/entry/common.c:79
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa6d46a81b5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007fff64013ba0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000297 RCX: 00007fa6d46a81b5
RDX: 00007fff64013be0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff64013c6c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000003b8f3 R14: 000000000003b8f3 R15: 0000000000000000