INFO: task syz-executor.2:11142 blocked for more than 143 seconds.
Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:21680 pid:11142 tgid:11141 ppid:5097 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
io_schedule+0x8c/0x100 kernel/sched/core.c:8998
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1273
__filemap_get_folio+0xa3/0xbb0 mm/filemap.c:1864
pagecache_get_page+0x2c/0x1f0 mm/folio-compat.c:99
find_get_page_flags include/linux/pagemap.h:696 [inline]
__ntfs_grab_cache_pages fs/ntfs/file.c:496 [inline]
ntfs_perform_write+0x4ab/0x8040 fs/ntfs/file.c:1826
ntfs_file_write_iter+0x107c/0x1970 fs/ntfs/file.c:1909
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x792/0xb20 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe86627cae9
RSP: 002b:00007fe866faf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe86639bf80 RCX: 00007fe86627cae9
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 00007fe8662c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe86639bf80 R15: 00007fff7cde8668
</TASK>
INFO: task syz-executor.2:11169 blocked for more than 144 seconds.
Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24976 pid:11169 tgid:11141 ppid:5097 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6a3/0xd60 kernel/locking/mutex.c:747
__fdget_pos+0x2b0/0x340 fs/file.c:1177
fdget_pos include/linux/file.h:74 [inline]
ksys_write+0x82/0x2c0 fs/read_write.c:628
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe86627cae9
RSP: 002b:00007fe866f8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe86639c050 RCX: 00007fe86627cae9
RDX: 0000000000000020 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00007fe8662c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe86639c050 R15: 00007fff7cde8668
</TASK>
INFO: task syz-executor.2:11172 blocked for more than 144 seconds.
Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28272 pid:11172 tgid:11141 ppid:5097 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
rwsem_down_write_slowpath+0xeea/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:802 [inline]
ntfs_file_write_iter+0x81/0x1970 fs/ntfs/file.c:1905
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x792/0xb20 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe86627cae9
RSP: 002b:00007fe866f6d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe86639c120 RCX: 00007fe86627cae9
RDX: 0000000000000038 RSI: 00000000200001c0 RDI: 0000000000000005
RBP: 00007fe8662c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe86639c120 R15: 00007fff7cde8668
</TASK>
INFO: task syz-executor.2:11173 blocked for more than 145 seconds.
Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27376 pid:11173 tgid:11141 ppid:5097 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
rwsem_down_write_slowpath+0xeea/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:802 [inline]
ntfs_file_fsync+0xa5/0x2d0 fs/ntfs/file.c:1952
vfs_fsync_range fs/sync.c:188 [inline]
vfs_fsync fs/sync.c:202 [inline]
do_fsync fs/sync.c:212 [inline]
__do_sys_fsync fs/sync.c:220 [inline]
__se_sys_fsync fs/sync.c:218 [inline]
__x64_sys_fsync+0x196/0x1e0 fs/sync.c:218
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe86627cae9
RSP: 002b:00007fe866f4c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
RAX: ffffffffffffffda RBX: 00007fe86639c1f0 RCX: 00007fe86627cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fe8662c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe86639c1f0 R15: 00007fff7cde8668
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by kworker/u4:7/1063:
#0: ffff8880b993c358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b9928808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
3 locks held by kworker/u4:10/2806:
2 locks held by getty/4821:
#0: ffff88814b1b60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.3/5084:
#0: ffffffff8d932938 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#0: ffffffff8d932938 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:996
5 locks held by kworker/0:4/5154:
#0: ffff8880b983c358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1:
ffff8880b9828808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline]
#2: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:799 [inline]
#2: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: keep_key_fresh drivers/net/wireguard/send.c:129 [inline]
#2: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline]
#2: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_tx_worker+0x25f/0x810 drivers/net/wireguard/send.c:276
#3: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#3: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#3: ffffffff8d92cf60 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x1bc/0x500 net/ipv4/ip_input.c:232
#4: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline]
#4: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:799 [inline]
#4: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_consume_data drivers/net/wireguard/receive.c:515 [inline]
#4: ffffffff8d92cfc0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_receive+0x11bf/0x2480 drivers/net/wireguard/receive.c:576
2 locks held by kworker/1:7/5160:
#0: ffff888012c72938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#0: ffff888012c72938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2703
#1: ffffc9000480fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#1: ffffc9000480fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2703
3 locks held by syz-executor.2/11142:
#0: ffff88807f1374c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2b0/0x340 fs/file.c:1177
#1: ffff88801d01e418 (sb_writers#37){.+.+}-{0:0}, at: vfs_write+0x223/0xb20 fs/read_write.c:580
#2: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#2: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: ntfs_file_write_iter+0x81/0x1970 fs/ntfs/file.c:1905
1 lock held by syz-executor.2/11169:
#0: ffff88807f1374c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2b0/0x340 fs/file.c:1177
3 locks held by syz-executor.2/11172:
#0: ffff8880759700c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2b0/0x340 fs/file.c:1177
#1: ffff88801d01e418 (sb_writers#37){.+.+}-{0:0}, at: vfs_write+0x223/0xb20 fs/read_write.c:580
#2: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#2: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: ntfs_file_write_iter+0x81/0x1970 fs/ntfs/file.c:1905
1 lock held by syz-executor.2/11173:
#0: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff888046edbe30 (&sb->s_type->i_mutex_key#45){+.+.}-{3:3}, at: ntfs_file_fsync+0xa5/0x2d0 fs/ntfs/file.c:1952
1 lock held by udevd/11213:
2 locks held by syz-executor.0/12537:
3 locks held by syz-executor.2/12541:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
<TASK>
__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+0x198/0x310 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+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5204 Comm: syz-fuzzer Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:240 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4774 [inline]
RIP: 0010:__lock_acquire+0x5d3/0x1fd0 kernel/locking/lockdep.c:5087
Code: 1f 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 60 43 dd 90 be 08 00 00 00 e8 97 52 7d 00 48 0f a3 1d 4f 12 70 0f 73 22 <48> 69 c3 d0 00 00 00 48 8d 98 60 a2 aa 90 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000481ef70 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000635 RCX: ffffffff816d3109
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90dd4420
RBP: 0000000000000000 R08: ffffffff90dd4427 R09: 1ffffffff21ba884
R10: dffffc0000000000 R11: fffffbfff21ba885 R12: 0000000000000001
R13: ffff88807a689dc0 R14: 000000000000000f R15: ffff88807a68a918
FS: 000000c00325b090(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efdede99288 CR3: 000000001773a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
seqcount_lockdep_reader_access include/linux/seqlock.h:102 [inline]
read_seqbegin include/linux/seqlock.h:847 [inline]
neigh_hh_output include/net/neighbour.h:496 [inline]
neigh_output include/net/neighbour.h:540 [inline]
ip_finish_output2+0x85d/0x1360 net/ipv4/ip_output.c:235
dst_output include/net/dst.h:451 [inline]
ip_local_out net/ipv4/ip_output.c:129 [inline]
__ip_queue_xmit+0x1245/0x1c20 net/ipv4/ip_output.c:535
__tcp_transmit_skb+0x1e97/0x3aa0 net/ipv4/tcp_output.c:1462
tcp_transmit_skb net/ipv4/tcp_output.c:1480 [inline]
tcp_write_xmit+0x1449/0x6180 net/ipv4/tcp_output.c:2792
__tcp_push_pending_frames+0x9b/0x350 net/ipv4/tcp_output.c:2977
tcp_sendmsg_locked+0x42be/0x4cf0 net/ipv4/tcp.c:1308
tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1340
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
sock_write_iter+0x39a/0x520 net/socket.c:1158
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x792/0xb20 fs/read_write.c:584
ksys_write+0x1a0/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x403ace
Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48
RSP: 002b:000000c000503100 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
RDX: 00000000000000f0 RSI: 000000c000228200 RDI: 0000000000000003
RBP: 000000c000503140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000503280
R13: 0000000000000000 R14: 000000c0002541a0 R15: 000000c0000ae900
</TASK>