INFO: task syz-executor.0:5987 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-14587-g51094a24b85e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:19960 pid:5987 ppid:5118 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6690
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
ntfs_get_block_vbo+0x31f/0xc40 fs/ntfs3/inode.c:573
do_mpage_readpage+0x970/0x1c50 fs/mpage.c:208
mpage_readahead+0x210/0x380 fs/mpage.c:361
read_pages+0x169/0x9c0 mm/readahead.c:161
page_cache_ra_unbounded+0x703/0x820 mm/readahead.c:270
filemap_readahead mm/filemap.c:2576 [inline]
filemap_get_pages+0x72f/0x10d0 mm/filemap.c:2616
filemap_read+0x3cf/0xea0 mm/filemap.c:2694
call_read_iter include/linux/fs.h:2180 [inline]
generic_file_splice_read+0x1ff/0x5d0 fs/splice.c:309
do_splice_to fs/splice.c:793 [inline]
splice_direct_to_actor+0x41b/0xc00 fs/splice.c:865
do_splice_direct+0x279/0x3d0 fs/splice.c:974
do_sendfile+0x5fb/0xf80 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309
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+0x63/0xcd
RIP: 0033:0x7f845028c0a9
RSP: 002b:00007f84510b8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f84503abf80 RCX: 00007f845028c0a9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f84502e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3e3c160f R14: 00007f84510b8300 R15: 0000000000022000
INFO: task syz-executor.0:5999 blocked for more than 144 seconds.
Not tainted 6.1.0-syzkaller-14587-g51094a24b85e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:22616 pid:5999 ppid:5118 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
io_schedule+0x83/0x100 kernel/sched/core.c:8811
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1297
folio_lock include/linux/pagemap.h:938 [inline]
truncate_inode_pages_range+0xc7d/0x1690 mm/truncate.c:421
truncate_inode_pages mm/truncate.c:448 [inline]
truncate_pagecache mm/truncate.c:743 [inline]
truncate_setsize+0xcb/0xf0 mm/truncate.c:768
ntfs_truncate fs/ntfs3/file.c:395 [inline]
ntfs3_setattr+0x5a5/0xca0 fs/ntfs3/file.c:696
notify_change+0xe50/0x1100 fs/attr.c:482
do_truncate+0x200/0x2f0 fs/open.c:65
handle_truncate fs/namei.c:3216 [inline]
do_open fs/namei.c:3561 [inline]
path_openat+0x272b/0x2dd0 fs/namei.c:3714
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_open fs/open.c:1334 [inline]
__se_sys_open fs/open.c:1330 [inline]
__x64_sys_open+0x221/0x270 fs/open.c:1330
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+0x63/0xcd
RIP: 0033:0x7f845028c0a9
RSP: 002b:00007f8451097168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f84503ac050 RCX: 00007f845028c0a9
RDX: 0000000000000000 RSI: 000000000014d27e RDI: 0000000020000180
RBP: 00007f84502e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3e3c160f R14: 00007f8451097300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326e90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by udevd/4434:
#0: ffff8880b993a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
2 locks held by getty/4748:
#0: ffff888149f02098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
3 locks held by syz-executor.0/5987:
#0: ffff888026f20460 (sb_writers#13){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254
#1: ffff8880325fddc0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff8880325fddc0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xe9/0x820 mm/readahead.c:226
#2: ffff8880325fd980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880325fd980 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
3 locks held by syz-executor.0/5999:
#0: ffff888026f20460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880325fdc20 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880325fdc20 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x1ec/0x2f0 fs/open.c:63
#2: ffff8880325fd980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff8880325fd980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff8880325fd980 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
3 locks held by syz-executor.3/7663:
#0: ffff888031a70460 (sb_writers#13){.+.+}-{0:0}, at: do_sendfile+0x5d6/0xf80 fs/read_write.c:1254
#1: ffff88803272c7a0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff88803272c7a0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xe9/0x820 mm/readahead.c:226
#2: ffff88803272c360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff88803272c360 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x315/0x2d70 fs/ntfs3/attrib.c:919
3 locks held by syz-executor.3/7669:
#0: ffff888031a70460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff88803272c600 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88803272c600 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x1ec/0x2f0 fs/open.c:63
#2: ffff88803272c360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1122 [inline]
#2: ffff88803272c360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_truncate fs/ntfs3/file.c:393 [inline]
#2: ffff88803272c360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs3_setattr+0x596/0xca0 fs/ntfs3/file.c:696
2 locks held by kworker/u4:9/7675:
#0: ffff8880b993a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
3 locks held by syz-executor.2/7696:
5 locks held by syz-executor.5/7698:
#0: ffff888080bde460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:508
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
#2: ffff88801d813168 (&(&sig->stats_lock)->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
#2: ffff88801d813168 (&(&sig->stats_lock)->lock){....}-{2:2}, at: write_seqlock include/linux/seqlock.h:886 [inline]
#2: ffff88801d813168 (&(&sig->stats_lock)->lock){....}-{2:2}, at: __exit_signal kernel/exit.c:185 [inline]
#2: ffff88801d813168 (&(&sig->stats_lock)->lock){....}-{2:2}, at: release_task+0x75f/0x1810 kernel/exit.c:255
#3: ffff88801d813120 (&____s->seqcount#5){....}-{0:0}, at: exit_notify kernel/exit.c:761 [inline]
#3: ffff88801d813120 (&____s->seqcount#5){....}-{0:0}, at: do_exit+0x16e5/0x2150 kernel/exit.c:887
#4: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:324
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-14587-g51094a24b85e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5346 Comm: kworker/u4:7 Not tainted 6.1.0-syzkaller-14587-g51094a24b85e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:__lock_acquire+0xf9c/0x1f60 kernel/locking/lockdep.c:5051
Code: 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 11 7e 90 be 08 00 00 00 e8 ec 64 76 00 48 0f a3 1d 74 f1 12 0f <0f> 82 ec 01 00 00 48 c7 c0 80 90 fd 91 48 c1 e8 03 48 bf 00 00 00
RSP: 0018:ffffc90004d4f9a8 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 00000000000006cb RCX: ffffffff816b2004
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff907e1258
RBP: ffff88802d97c528 R08: dffffc0000000000 R09: fffffbfff20fc24c
R10: fffffbfff20fc24c R11: 1ffffffff20fc24b R12: 1ffff11005b2f895
R13: aecd1c49024e2631 R14: ffff88802d97c4a8 R15: 0000000000004000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d30000 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:325
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xc8/0x5b0 net/batman-adv/network-coding.c:719
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308