INFO: task syz-executor.1:26441 blocked for more than 143 seconds.
Not tainted 6.8.0-rc6-syzkaller-00037-g805d849d7c3c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26672 pid:26441 tgid:26422 ppid:16692 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
io_schedule+0x8c/0x110 kernel/sched/core.c:9023
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1274
__filemap_get_folio+0xa3/0xbc0 mm/filemap.c:1865
pagecache_get_page+0x2c/0x200 mm/folio-compat.c:93
find_or_create_page include/linux/pagemap.h:757 [inline]
ni_readpage_cmpr+0x313/0xa60 fs/ntfs3/frecord.c:2135
ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:719
filemap_read_folio+0x1a0/0x790 mm/filemap.c:2324
filemap_update_page mm/filemap.c:2408 [inline]
filemap_get_pages+0x15a8/0x2090 mm/filemap.c:2522
filemap_splice_read+0x5fe/0xe00 mm/filemap.c:2872
do_splice_read fs/splice.c:985 [inline]
splice_file_to_pipe+0x299/0x500 fs/splice.c:1295
do_sendfile+0x515/0xdc0 fs/read_write.c:1301
__do_sys_sendfile64 fs/read_write.c:1356 [inline]
__se_sys_sendfile64+0x100/0x1e0 fs/read_write.c:1348
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fcbd787dda9
RSP: 002b:00007fcbd86500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcbd79ac050 RCX: 00007fcbd787dda9
RDX: 0000000020000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007fcbd78ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcbd79ac050 R15: 00007ffc9d667ce8
INFO: task syz-executor.1:26442 blocked for more than 143 seconds.
Not tainted 6.8.0-rc6-syzkaller-00037-g805d849d7c3c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26832 pid:26442 tgid:26422 ppid:16692 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
io_schedule+0x8c/0x110 kernel/sched/core.c:9023
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1274
__filemap_get_folio+0xa3/0xbc0 mm/filemap.c:1865
pagecache_get_page+0x2c/0x200 mm/folio-compat.c:93
find_or_create_page include/linux/pagemap.h:757 [inline]
ntfs_get_frame_pages+0xbc/0x480 fs/ntfs3/file.c:820
ntfs_compress_write+0xeea/0x1900 fs/ntfs3/file.c:970
ntfs_file_write_iter+0x4b6/0x770 fs/ntfs3/file.c:1119
do_iter_readv_writev+0x46c/0x640
vfs_writev+0x395/0xbb0 fs/read_write.c:971
do_pwritev fs/read_write.c:1072 [inline]
__do_sys_pwritev2 fs/read_write.c:1131 [inline]
__se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1122
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fcbd787dda9
RSP: 002b:00007fcbd862f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fcbd79ac120 RCX: 00007fcbd787dda9
RDX: 0000000000000001 RSI: 00000000200014c0 RDI: 0000000000000005
RBP: 00007fcbd78ca47a R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcbd79ac120 R15: 00007ffc9d667ce8
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4813:
#0: ffff88802f2310a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-fuzzer/5058:
#0: ffff88802a01dc68 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:103 [inline]
#0: ffff88802a01dc68 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_release+0x51/0x330 fs/pipe.c:737
2 locks held by kworker/u4:19/5194:
#0: ffff8880b943c918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9428988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
3 locks held by syz-executor.1/26441:
#0: ffff88802a01dc68 (&pipe->mutex/1){+.+.}-{3:3}, at: splice_file_to_pipe+0x2e/0x500 fs/splice.c:1292
#1: ffff888038ea8ca0 (mapping.invalidate_lock#9){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:859 [inline]
#1: ffff888038ea8ca0 (mapping.invalidate_lock#9){++++}-{3:3}, at: filemap_update_page mm/filemap.c:2374 [inline]
#1: ffff888038ea8ca0 (mapping.invalidate_lock#9){++++}-{3:3}, at: filemap_get_pages+0x8b1/0x2090 mm/filemap.c:2522
#2: ffff888038ea8860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1121 [inline]
#2: ffff888038ea8860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:718
2 locks held by syz-executor.1/26442:
#0: ffff88803a2d4420 (sb_writers#23){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2794 [inline]
#0: ffff88803a2d4420 (sb_writers#23){.+.+}-{0:0}, at: vfs_writev+0x2d9/0xbb0 fs/read_write.c:969
#1: ffff888038ea8b00 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:824 [inline]
#1: ffff888038ea8b00 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: ntfs_file_write_iter+0x25a/0x770 fs/ntfs3/file.c:1093
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc6-syzkaller-00037-g805d849d7c3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5194 Comm: kworker/u4:19 Not tainted 6.8.0-rc6-syzkaller-00037-g805d849d7c3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline]
RIP: 0010:lock_acquire+0x110/0x530 kernel/locking/lockdep.c:5730
Code: 84 c1 02 00 00 48 c7 c0 fc 6f 84 8f 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 e9 02 00 00 83 3d 82 59 13 0e 00 0f 84 41 01 00 00 <65> 8b 05 39 74 91 7e 85 c0 0f 85 8e 01 00 00 65 48 8b 1d 29 a8 92
RSP: 0018:ffffc900049ef8a0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81711644
RDX: 0000000000000000 RSI: ffffffff8bfd9a00 RDI: ffffffff8bfd99c0
RBP: ffffc900049ef9e8 R08: ffffffff8f843cef R09: 1ffffffff1f0879d
R10: dffffc0000000000 R11: fffffbfff1f0879e R12: 1ffff9200093df1c
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888029accc48
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00f2ea9c0 CR3: 000000000df32000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
rcu_read_lock include/linux/rcupdate.h:750 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:754 [inline]
batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:825 [inline]
batadv_iv_ogm_schedule+0x43f/0x1090 net/batman-adv/bat_iv_ogm.c:868
batadv_iv_send_outstanding_bat_ogm_packet+0x6fe/0x810 net/batman-adv/bat_iv_ogm.c:1712
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243