INFO: task syz-executor325:5020 blocked for more than 143 seconds.
Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor325 state:D stack:25456 pid:5020 ppid:5019 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
io_schedule+0xbe/0x130 kernel/sched/core.c:9028
folio_wait_bit_common+0x3d0/0x9a0 mm/filemap.c:1304
folio_wait_locked include/linux/pagemap.h:1032 [inline]
gfs2_jhead_process_page+0x4bc/0x590 fs/gfs2/lops.c:477
gfs2_find_jhead+0x6a8/0xd00 fs/gfs2/lops.c:584
check_journal_clean+0x1da/0x350 fs/gfs2/util.c:75
init_journal fs/gfs2/ops_fstype.c:827 [inline]
init_inodes+0x1113/0x2e30 fs/gfs2/ops_fstype.c:885
gfs2_fill_super+0x1a9e/0x2b10 fs/gfs2/ops_fstype.c:1248
get_tree_bdev+0x43e/0x7d0 fs/super.c:1318
gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1333
vfs_get_tree+0x88/0x350 fs/super.c:1519
do_new_mount fs/namespace.c:3335 [inline]
path_mount+0x1492/0x1ed0 fs/namespace.c:3662
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount fs/namespace.c:3861 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f901e56316a
RSP: 002b:00007ffc5c5db0d8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc5c5db0f0 RCX: 00007f901e56316a
RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007ffc5c5db0f0
RBP: 0000000000000004 R08: 00007ffc5c5db130 R09: 000000000001f672
R10: 0000000000000600 R11: 0000000000000282 R12: 0000000000000600
R13: 00007ffc5c5db130 R14: 0000000000000003 R15: 0000000001000000
Showing all locks held in the system:
4 locks held by kworker/u4:0/10:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a5830 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a5530 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8c9a6440 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4772:
#0: ffff88814a602098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
1 lock held by syz-executor325/5020:
#0: ffff888078e180e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb40 fs/super.c:228
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10 Comm: kworker/u4:0 Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:207
Code: b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 dd 4a 7d 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 80 b9 03 00 a9 00 01 ff 00 74 0e
RSP: 0018:ffffc900000f79d8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffc900000f7a90 RCX: 0000000080000000
RDX: ffff888016649dc0 RSI: ffffffff8a273aa9 RDI: 0000000000000005
RBP: 0000000000004000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000000f R14: 1ffff9200001ef4c R15: ffffffff8a66766a
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561efeddf680 CR3: 000000000c776000 CR4: 0000000000350ee0
Call Trace:
insn_get_immediate+0xf9/0x1c50 arch/x86/lib/insn.c:643
insn_get_length arch/x86/lib/insn.c:707 [inline]
insn_decode+0x2ae/0x340 arch/x86/lib/insn.c:747
text_poke_loc_init+0xc2/0x4d0 arch/x86/kernel/alternative.c:2252
arch_jump_label_transform_queue+0x97/0x100 arch/x86/kernel/jump_label.c:138
__jump_label_update+0x125/0x420 kernel/jump_label.c:475
jump_label_update+0x32e/0x410 kernel/jump_label.c:829
static_key_disable_cpuslocked+0x154/0x1b0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate mm/kfence/core.c:836 [inline]
toggle_allocation_gate+0x13f/0x250 mm/kfence/core.c:823
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308