INFO: task syz-executor.0:3637 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.0 state:D stack:23160 pid: 3637 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: 0033:0x7f262348ca17
RSP: 002b:00007ffd047a6108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f262348ca17
RDX: 00007ffd047a61da RSI: 000000000000000a RDI: 00007ffd047a61d0
RBP: 00007ffd047a61d0 R08: 00000000ffffffff R09: 00007ffd047a5fa0
R10: 0000555556b6d8b3 R11: 0000000000000246 R12: 00007f26234e55f6
R13: 00007ffd047a7290 R14: 0000555556b6d810 R15: 00007ffd047a72d0
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 57 Comm: kworker/u4:4 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:__default_send_IPI_dest_field+0x83/0xe0 arch/x86/kernel/apic/ipi.c:173
Code: 00 66 0f 1f 44 00 00 f7 04 25 00 c3 5f ff 00 10 00 00 75 d3 41 c1 e7 18 44 89 3c 25 10 c3 5f ff 44 09 f3 89 1c 25 00 c3 5f ff <5b> 41 5e 41 5f 5d c3 48 c7 c0 00 db 62 8c 48 c1 e8 03 48 bd 00 00
RSP: 0018:ffffc900015875f8 EFLAGS: 00000002
RAX: 0000000080000000 RBX: 00000000000008fb RCX: dffffc0000000000
RDX: 0000000000000800 RSI: 00000000000000fb RDI: 0000000000000001
RBP: fffffbffffebf860 R08: ffffffff817ba301 R09: ffffed10173675a3
R10: ffffed10173675a3 R11: 1ffff110173675a2 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000800 R15: 0000000001000000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c011ba04e0 CR3: 000000000c88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
_flat_send_IPI_mask+0xc6/0x150 arch/x86/kernel/apic/apic_flat_64.c:56
arch_send_call_function_single_ipi arch/x86/include/asm/smp.h:109 [inline]
send_call_function_single_ipi+0x17f/0x1e0 kernel/sched/core.c:3757
smp_call_function_many_cond+0xd6e/0x1670 kernel/smp.c:967
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1153
text_poke_bp_batch+0x76c/0x850
text_poke_flush arch/x86/kernel/alternative.c:1670 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1677
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x129/0x250 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:811
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