INFO: task syz-executor.3:15717 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-01224-g1ef6663a587b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24576 pid:15717 ppid:5052 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
reiserfs_get_block+0x280/0x5130 fs/reiserfs/inode.c:680
do_mpage_readpage+0x911/0x1fa0 fs/mpage.c:234
mpage_readahead+0x454/0x930 fs/mpage.c:382
read_pages+0x183/0x830 mm/readahead.c:161
page_cache_ra_unbounded+0x697/0x7c0 mm/readahead.c:270
do_sync_mmap_readahead+0x7b6/0x9a0 mm/filemap.c:3210
filemap_fault+0x81b/0x1810 mm/filemap.c:3302
__do_fault+0x136/0x500 mm/memory.c:4176
do_shared_fault mm/memory.c:4585 [inline]
do_fault mm/memory.c:4663 [inline]
do_pte_missing mm/memory.c:3647 [inline]
handle_pte_fault mm/memory.c:4947 [inline]
__handle_mm_fault mm/memory.c:5089 [inline]
handle_mm_fault+0x2098/0x5860 mm/memory.c:5243
do_user_addr_fault arch/x86/mm/fault.c:1440 [inline]
handle_page_fault arch/x86/mm/fault.c:1534 [inline]
exc_page_fault+0x7d2/0x910 arch/x86/mm/fault.c:1590
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fdaafa86cdf
RSP: 002b:00007fffeca00b88 EFLAGS: 00010283
RAX: 00000000200000c0 RBX: 0000000000000000 RCX: 00007fdaaf600000
RDX: 0000000000000011 RSI: 00007fdaaf601660 RDI: 00000000200000c0
RBP: 00007fffeca00c48 R08: 00007fdaafa00000 R09: 00007fdaaf600000
R10: 00007fdaaf601648 R11: 0000000000020036 R12: 00000000000adfed
R13: 00007fffeca00c70 R14: 00007fffeca00c90 R15: 0000000000000032
INFO: task syz-executor.3:15719 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-01224-g1ef6663a587b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24064 pid:15719 ppid:5052 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
io_schedule+0x8c/0x100 kernel/sched/core.c:8979
folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1301
__filemap_get_folio+0x90/0xa00 mm/filemap.c:1937
pagecache_get_page+0x2e/0x220 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:635 [inline]
grab_cache_page include/linux/pagemap.h:757 [inline]
grab_tail_page fs/reiserfs/inode.c:2199 [inline]
reiserfs_truncate_file+0x21b/0x820 fs/reiserfs/inode.c:2267
reiserfs_vfs_truncate_file+0x2d/0x40 fs/reiserfs/file.c:133
reiserfs_direct_IO+0x1e2/0x210 fs/reiserfs/inode.c:3256
generic_file_direct_write+0x208/0x460 mm/filemap.c:3870
__generic_file_write_iter+0x1c8/0x400 mm/filemap.c:4030
generic_file_write_iter+0xaf/0x310 mm/filemap.c:4106
call_write_iter include/linux/fs.h:1872 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x782/0xaf0 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdaafa8c389
RSP: 002b:00007fdab0862168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdaafbabf80 RCX: 00007fdaafa8c389
RDX: 0000000000000012 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00007fdaafad7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffeca00b0f R14: 00007fdab0862300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf27530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf278f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf27360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4754:
#0: ffff88814a962098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1db0 drivers/tty/n_tty.c:2176
4 locks held by kworker/1:12/5427:
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2381
#1: ffffc90006077d20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2383
#2: ffff8880395dc0e0 (&type->s_umount_key#64){++++}-{3:3}, at: flush_old_commits+0xcb/0x2f0 fs/reiserfs/super.c:97
#3: ffff888039fc4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
2 locks held by syz-executor.3/15717:
#0: ffff888080156e80 (mapping.invalidate_lock#12){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline]
#0: ffff888080156e80 (mapping.invalidate_lock#12){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:226
#1: ffff888039fc4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
5 locks held by syz-executor.3/15719:
#0: ffff88807bfb6848 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x254/0x2f0 fs/file.c:1047
#1: ffff8880395dc460 (sb_writers#19){.+.+}-{0:0}, at: vfs_write+0x216/0xaf0 fs/read_write.c:580
#2: ffff888080156ce0 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#2: ffff888080156ce0 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: generic_file_write_iter+0x83/0x310 mm/filemap.c:4103
#3: ffff888080156ab8 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_vfs_truncate_file+0x20/0x40 fs/reiserfs/file.c:132
#4: ffff888039fc4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
2 locks held by syz-executor.3/17396:
#0: ffff8880395dc0e0 (&type->s_umount_key#64){++++}-{3:3}, at: iterate_supers+0xb0/0x1e0 fs/super.c:743
#1: ffff888039fc4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-syzkaller-01224-g1ef6663a587b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
SeaBIOS (version 1.8.2-google)
audit: type=2000 audit(1687890170.416:1): state=initialized audit_enabled=0 res=1