INFO: task syz-executor363:3581 blocked for more than 143 seconds.
Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor363 state:D stack:23328 pid: 3581 ppid: 3580 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
io_schedule+0x88/0x100 kernel/sched/core.c:8481
wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
lock_page include/linux/pagemap.h:625 [inline]
pickup_page_for_submission fs/erofs/zdata.c:1135 [inline]
z_erofs_submit_queue fs/erofs/zdata.c:1306 [inline]
z_erofs_runqueue+0x788/0x1a80 fs/erofs/zdata.c:1367
z_erofs_readahead+0xc9a/0x1280 fs/erofs/zdata.c:1459
read_pages+0x159/0x8e0 mm/readahead.c:130
page_cache_ra_unbounded+0x7b0/0x930 mm/readahead.c:239
do_page_cache_ra mm/readahead.c:269 [inline]
force_page_cache_ra+0x378/0x3e0 mm/readahead.c:301
force_page_cache_readahead mm/internal.h:59 [inline]
generic_fadvise+0x5ba/0x8b0 mm/fadvise.c:107
vfs_fadvise mm/fadvise.c:186 [inline]
ksys_fadvise64_64 mm/fadvise.c:200 [inline]
__do_sys_fadvise64 mm/fadvise.c:215 [inline]
__se_sys_fadvise64 mm/fadvise.c:213 [inline]
__x64_sys_fadvise64+0x138/0x180 mm/fadvise.c:213
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1b5409aa99
RSP: 002b:00007ffeefad0a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b5409aa99
RDX: 0000000000004101 RSI: 0000000000e0ffff RDI: 0000000000000004
RBP: 00007f1b5410e5f0 R08: 0000555592c944c0 R09: 0000555592c944c0
R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffeefad0ab0
R13: 00007ffeefad0cd8 R14: 431bde82d7b634db R15: 00007f1b540e303b
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3326:
#0: ffff888029a96098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc9000249d2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor363/3581:
#0: ffff888070ae0320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
#0: ffff888070ae0320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562