INFO: task syz-executor.5:10476 blocked for more than 143 seconds.
Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23224 pid:10476 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5183 [inline]
__schedule+0x91f/0xdf0 kernel/sched/core.c:6495
schedule+0xcb/0x190 kernel/sched/core.c:6571
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1087
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1252
__gfs2_trans_begin+0x4e4/0x8c0 fs/gfs2/trans.c:87
gfs2_trans_begin+0x6d/0xe0 fs/gfs2/trans.c:118
gfs2_write_jdata_pagevec+0x100/0xe20 fs/gfs2/aops.c:220
gfs2_write_cache_jdata+0x46d/0x7b0 fs/gfs2/aops.c:349
gfs2_jdata_writepages+0x81/0x150 fs/gfs2/aops.c:391
do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
gfs2_ail1_start_one fs/gfs2/log.c:134 [inline]
gfs2_ail1_flush+0xbc3/0xeb0 fs/gfs2/log.c:214
gfs2_ail1_start fs/gfs2/log.c:245 [inline]
empty_ail1_list+0x17f/0x260 fs/gfs2/log.c:977
gfs2_log_flush+0x212a/0x26a0 fs/gfs2/log.c:1122
gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1725
deactivate_locked_super+0xa7/0xf0 fs/super.c:331
cleanup_mnt+0x4ce/0x560 fs/namespace.c:1186
task_work_run+0x146/0x1c0 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:169
exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:294
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc69d08ca17
RSP: 002b:00007ffd1b2fcd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc69d08ca17
RDX: 00007ffd1b2fce6b RSI: 000000000000000a RDI: 00007ffd1b2fce60
RBP: 00007ffd1b2fce60 R08: 00000000ffffffff R09: 00007ffd1b2fcc30
R10: 00005555559538b3 R11: 0000000000000246 R12: 00007fc69d0e55f6
R13: 00007ffd1b2fdf20 R14: 0000555555953810 R15: 00007ffd1b2fdf60
INFO: task syz-executor.1:15017 blocked for more than 143 seconds.
Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27184 pid:15017 ppid: 3653 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5183 [inline]
__schedule+0x91f/0xdf0 kernel/sched/core.c:6495
schedule+0xcb/0x190 kernel/sched/core.c:6571
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1087
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1252
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3a11a8b5a9
RSP: 002b:00007f3a12b69168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f3a11bac050 RCX: 00007f3a11a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3a11ae6580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9195efff R14: 00007f3a12b69300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x425/0x450 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:369
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6503 Comm: kworker/u4:20 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:lock_is_held_type+0x133/0x180 kernel/locking/lockdep.c:5714
Code: 01 75 38 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 75 3c <89> e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7
RSP: 0018:ffffc900161c7758 EFLAGS: 00000246
RAX: 2e8e8470c0cea400 RBX: ffffffff8c6b14c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8cb21b40
RBP: 00000000ffffffff R08: ffffffff8130015f R09: 0000000000000000
R10: fffffbfff22d1631 R11: 1ffffffff22d1630 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff92002c38efc R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c02c89726c CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
__might_resched+0x99/0x6b0 kernel/sched/core.c:9855
__mutex_lock_common+0xba/0x26e0 kernel/locking/mutex.c:580
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
arch_jump_label_transform_queue+0x3f/0xd0 arch/x86/kernel/jump_label.c:136
__jump_label_update+0x19b/0x3b0 kernel/jump_label.c:447
static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:207
static_key_disable+0x16/0x20 kernel/jump_label.c:215
toggle_allocation_gate+0x3b8/0x450 mm/kfence/core.c:825
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306