INFO: task syz-executor.5:6329 blocked for more than 143 seconds.
Not tainted 6.7.0-rc5-syzkaller-gaedef4a80fb0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:6329 tgid:6329 ppid:6143 flags:0x00000005
Call trace:
__switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1354/0x2360 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xb8/0x19c kernel/sched/core.c:6778
io_schedule+0x8c/0x12c kernel/sched/core.c:8998
folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1273
__folio_lock mm/filemap.c:1611 [inline]
folio_lock include/linux/pagemap.h:1031 [inline]
filemap_page_mkwrite+0x3b0/0x920 mm/filemap.c:3579
do_page_mkwrite+0x140/0x2dc mm/memory.c:2944
wp_page_shared mm/memory.c:3339 [inline]
do_wp_page+0x1214/0x33ac mm/memory.c:3479
handle_pte_fault mm/memory.c:5055 [inline]
__handle_mm_fault mm/memory.c:5180 [inline]
handle_mm_fault+0x1254/0x49f8 mm/memory.c:5345
do_page_fault+0x32c/0xa54 arch/arm64/mm/fault.c:601
do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:846
el0_da+0x60/0x168 arch/arm64/kernel/entry-common.c:546
el0t_64_sync_handler+0xcc/0xfc arch/arm64/kernel/entry-common.c:699
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
INFO: task syz-executor.5:6330 blocked for more than 143 seconds.
Not tainted 6.7.0-rc5-syzkaller-gaedef4a80fb0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:6330 tgid:6329 ppid:6143 flags:0x0000000d
Call trace:
__switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1354/0x2360 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xb8/0x19c kernel/sched/core.c:6778
io_schedule+0x8c/0x12c kernel/sched/core.c:8998
folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1273
__folio_lock mm/filemap.c:1611 [inline]
folio_lock include/linux/pagemap.h:1031 [inline]
__filemap_get_folio+0x1e4/0xa60 mm/filemap.c:1864
pagecache_get_page+0x3c/0x128 mm/folio-compat.c:99
find_or_create_page include/linux/pagemap.h:740 [inline]
grab_cache_page include/linux/pagemap.h:856 [inline]
convert_tail_for_hole fs/reiserfs/inode.c:592 [inline]
reiserfs_get_block+0x2e68/0x45d8 fs/reiserfs/inode.c:921
__block_write_begin_int+0x3f0/0x1504 fs/buffer.c:2119
__block_write_begin+0x7c/0xa0 fs/buffer.c:2168
reiserfs_write_begin+0x328/0x71c fs/reiserfs/inode.c:2767
generic_cont_expand_simple+0x160/0x258 fs/buffer.c:2473
reiserfs_setattr+0x498/0xedc fs/reiserfs/inode.c:3298
notify_change+0x9d4/0xc8c fs/attr.c:499
do_truncate+0x1c0/0x28c fs/open.c:66
do_sys_ftruncate+0x284/0x318 fs/open.c:194
__do_sys_ftruncate fs/open.c:205 [inline]
__se_sys_ftruncate fs/open.c:203 [inline]
__arm64_sys_ftruncate+0x60/0x74 fs/open.c:203
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
INFO: task syz-executor.5:6353 blocked for more than 143 seconds.
Not tainted 6.7.0-rc5-syzkaller-gaedef4a80fb0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:6353 tgid:6329 ppid:6143 flags:0x0000000d
Call trace:
__switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1354/0x2360 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xb8/0x19c kernel/sched/core.c:6778
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835
__mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
map_block_for_writepage fs/reiserfs/inode.c:2380 [inline]
reiserfs_write_full_folio fs/reiserfs/inode.c:2576 [inline]
reiserfs_writepage+0xab4/0x2cc8 fs/reiserfs/inode.c:2729
writepage_cb+0x70/0x18c mm/page-writeback.c:2537
write_cache_pages+0x670/0xd98 mm/page-writeback.c:2474
do_writepages+0x340/0x570 mm/page-writeback.c:2558
filemap_fdatawrite_wbc+0x124/0x174 mm/filemap.c:387
__filemap_fdatawrite_range mm/filemap.c:420 [inline]
file_write_and_wait_range+0x1bc/0x2ac mm/filemap.c:778
reiserfs_sync_file+0x78/0x254 fs/reiserfs/file.c:151
vfs_fsync_range+0x168/0x188 fs/sync.c:188
generic_write_sync include/linux/fs.h:2653 [inline]
generic_file_write_iter+0x228/0x2b4 mm/filemap.c:4043
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x610/0x910 fs/read_write.c:584
ksys_write+0x15c/0x26c fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
Showing all locks held in the system:
3 locks held by kworker/1:0/23:
#0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600
#1: ffff800093fe7c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602
#2: ffff000122b8f240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x32bc drivers/net/netdevsim/fib.c:1489
1 lock held by khungtaskd/29:
#0: ffff80008e6c4e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300
5 locks held by kworker/u4:7/289:
3 locks held by kworker/u4:9/338:
#0: ffff0000c1f44938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600
#1: ffff8000977d7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602
#2: ffff0000d3f220e0 (&type->s_umount_key#25){++++}-{3:3}, at: super_trylock_shared+0x28/0xe4 fs/super.c:610
4 locks held by kworker/1:2/3598:
#0: ffff0000c0021538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600
#1: ffff80009ed17c20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602
#2: ffff0000d3f220e0 (&type->s_umount_key#25){++++}-{3:3}, at: flush_old_commits+0xcc/0x2b8 fs/reiserfs/super.c:97
#3: ffff0000daa57090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
2 locks held by getty/5860:
#0: ffff0000d23660a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff800094e702f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
2 locks held by syz-executor.5/6329:
#0: ffff0000d5775d18 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:663 [inline]
#0: ffff0000d5775d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x288/0x600 mm/memory.c:5501
#1: ffff0000d3f22510 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x140/0x2dc mm/memory.c:2944
3 locks held by syz-executor.5/6330:
#0: ffff0000d3f22418 (sb_writers#12){.+.+}-{0:0}, at: do_sys_ftruncate+0x210/0x318 fs/open.c:191
#1: ffff000126f602e0 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#1: ffff000126f602e0 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c fs/open.c:64
#2: ffff0000daa57090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x68/0xd8 fs/reiserfs/lock.c:78
3 locks held by syz-executor.5/6353:
#0: ffff00011f6a00c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x11c/0x148 fs/file.c:1177
#1: ffff0000d3f22418 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x240/0x910 fs/read_write.c:580
#2: ffff0000daa57090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
2 locks held by syz-executor.1/7358:
#0: ffff0000d3f220e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff0000d3f220e0 (&type->s_umount_key#25){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117
#1: ffff0000c9f127d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff0000c9f127d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 fs/fs-writeback.c:2756
2 locks held by udevd/7406:
2 locks held by syz-executor.4/7663:
#0: ffff800090f71068 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffff800090f71068 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdbc net/core/rtnetlink.c:6555
#1: ffff80008e6ca778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#1: ffff80008e6ca778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ac/0x728 kernel/rcu/tree_exp.h:996
=============================================