INFO: task syz-executor.5:11700 blocked for more than 143 seconds.
Not tainted 5.15.145-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23288 pid:11700 ppid: 3546 flags:0x00104006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27
reiserfs_get_block+0x27c/0x5390 fs/reiserfs/inode.c:688
do_mpage_readpage+0x6c8/0x1f70 fs/mpage.c:231
mpage_readahead+0x427/0x9b0 fs/mpage.c:389
read_pages+0x159/0x8e0 mm/readahead.c:130
page_cache_ra_unbounded+0x7b0/0x930 mm/readahead.c:239
page_cache_sync_readahead include/linux/pagemap.h:833 [inline]
filemap_get_pages mm/filemap.c:2551 [inline]
filemap_read+0x71c/0x2980 mm/filemap.c:2634
call_read_iter include/linux/fs.h:2140 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa9f/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
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+0x61/0xcb
RIP: 0033:0x7f4b01089ce9
RSP: 002b:00007f4aff60b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f4b011a8f80 RCX: 00007f4b01089ce9
RDX: 0000000000002020 RSI: 0000000020004a40 RDI: 0000000000000004
RBP: 00007f4b010d647a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4b011a8f80 R15: 00007fffcf8d1738
</TASK>
INFO: task syz-executor.5:11728 blocked for more than 143 seconds.
Not tainted 5.15.145-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26976 pid:11728 ppid: 3546 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
io_schedule+0x88/0x100 kernel/sched/core.c:8484
wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
__lock_page mm/filemap.c:1648 [inline]
lock_page include/linux/pagemap.h:625 [inline]
pagecache_get_page+0x5af/0x1010 mm/filemap.c:1910
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
grab_tail_page fs/reiserfs/inode.c:2209 [inline]
reiserfs_truncate_file+0x205/0xda0 fs/reiserfs/inode.c:2277
reiserfs_setattr+0xa4d/0xf90 fs/reiserfs/inode.c:3409
notify_change+0xc6d/0xf50 fs/attr.c:505
do_truncate+0x21c/0x300 fs/open.c:65
do_sys_ftruncate+0x2eb/0x390 fs/open.c:193
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+0x61/0xcb
RIP: 0033:0x7f4b01089ce9
RSP: 002b:00007f4aff5ea0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f4b011a9050 RCX: 00007f4b01089ce9
RDX: 0000000000000000 RSI: 0000000000000e06 RDI: 0000000000000004
RBP: 00007f4b010d647a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4b011a9050 R15: 00007fffcf8d1738
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91f220 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3261:
#0: ffff8880248b7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
4 locks held by kworker/1:11/5573:
#0: ffff888011c71538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90004787d20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff88801f5640e0 (&type->s_umount_key#75){++++}-{3:3}, at: flush_old_commits+0xc7/0x2e0 fs/reiserfs/super.c:97
#3: ffff8880b0f02090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27
3 locks held by syz-executor.5/11700:
#0: ffff8880782654f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1088
#1: ffff8880a73c1f00 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline]
#1: ffff8880a73c1f00 (mapping.invalidate_lock#9){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195
#2: ffff8880b0f02090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27
4 locks held by syz-executor.5/11728:
#0: ffff88801f564460 (sb_writers#24){.+.+}-{0:0}, at: do_sys_ftruncate+0x25a/0x390 fs/open.c:190
#1: ffff8880a73c1d60 (&sb->s_type->i_mutex_key#32){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
#1: ffff8880a73c1d60 (&sb->s_type->i_mutex_key#32){+.+.}-{3:3}, at: do_truncate+0x208/0x300 fs/open.c:63
#2: ffff8880a73c1b38 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xa14/0xf90 fs/reiserfs/inode.c:3407
#3: ffff8880b0f02090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.145-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb 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:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570