INFO: task syz-executor.3:4713 blocked for more than 143 seconds.
Not tainted 5.15.174-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29184 pid: 4713 ppid: 4485 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__fdget_pos+0x2cb/0x380 fs/file.c:1057
fdget_pos include/linux/file.h:75 [inline]
ksys_lseek fs/read_write.c:307 [inline]
__do_sys_lseek fs/read_write.c:324 [inline]
__se_sys_lseek fs/read_write.c:322 [inline]
__x64_sys_lseek+0x76/0x1e0 fs/read_write.c:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fcbfb767ea9
RSP: 002b:00007fcbfaac70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007fcbfb896050 RCX: 00007fcbfb767ea9
RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007fcbfb7b44a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcbfb896050 R15: 00007ffc2da941f8
INFO: task syz-executor.2:4745 blocked for more than 144 seconds.
Not tainted 5.15.174-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29816 pid: 4745 ppid: 4490 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__fdget_pos+0x2cb/0x380 fs/file.c:1057
fdget_pos include/linux/file.h:75 [inline]
ksys_lseek fs/read_write.c:307 [inline]
__do_sys_lseek fs/read_write.c:324 [inline]
__se_sys_lseek fs/read_write.c:322 [inline]
__x64_sys_lseek+0x76/0x1e0 fs/read_write.c:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f51203ccea9
RSP: 002b:00007f511f72c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007f51204fb050 RCX: 00007f51203ccea9
RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f51204194a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f51204fb050 R15: 00007ffda9cf01f8
INFO: task syz-executor.1:4759 blocked for more than 144 seconds.
Not tainted 5.15.174-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29816 pid: 4759 ppid: 4491 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__fdget_pos+0x2cb/0x380 fs/file.c:1057
fdget_pos include/linux/file.h:75 [inline]
ksys_lseek fs/read_write.c:307 [inline]
__do_sys_lseek fs/read_write.c:324 [inline]
__se_sys_lseek fs/read_write.c:322 [inline]
__x64_sys_lseek+0x76/0x1e0 fs/read_write.c:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7fcefccea9
RSP: 002b:00007f7fce32c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007f7fcf0fb050 RCX: 00007f7fcefccea9
RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f7fcf0194a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7fcf0fb050 R15: 00007ffee2071788
INFO: task syz-executor.4:4769 blocked for more than 145 seconds.
Not tainted 5.15.174-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29816 pid: 4769 ppid: 4492 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__fdget_pos+0x2cb/0x380 fs/file.c:1057
fdget_pos include/linux/file.h:75 [inline]
ksys_lseek fs/read_write.c:307 [inline]
__do_sys_lseek fs/read_write.c:324 [inline]
__se_sys_lseek fs/read_write.c:322 [inline]
__x64_sys_lseek+0x76/0x1e0 fs/read_write.c:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f66c5f9aea9
RSP: 002b:00007f66c52fa0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007f66c60c9050 RCX: 00007f66c5f9aea9
RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f66c5fe74a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f66c60c9050 R15: 00007ffeb0f6b728
INFO: task syz-executor.0:4771 blocked for more than 146 seconds.
Not tainted 5.15.174-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29816 pid: 4771 ppid: 4489 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
__fdget_pos+0x2cb/0x380 fs/file.c:1057
fdget_pos include/linux/file.h:75 [inline]
ksys_lseek fs/read_write.c:307 [inline]
__do_sys_lseek fs/read_write.c:324 [inline]
__se_sys_lseek fs/read_write.c:322 [inline]
__x64_sys_lseek+0x76/0x1e0 fs/read_write.c:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f62603bfea9
RSP: 002b:00007f625f71f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007f62604ee050 RCX: 00007f62603bfea9
RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f626040c4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f62604ee050 R15: 00007fff60f6dd68
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1fd20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by udevd/3545:
2 locks held by getty/3931:
#0: ffff88814ccab098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
4 locks held by kworker/u4:5/4644:
3 locks held by syz-executor.3/4704:
1 lock held by syz-executor.3/4713:
#0: ffff8880201cd770 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1057
3 locks held by syz-executor.2/4734:
1 lock held by syz-executor.2/4745:
#0: ffff888077689270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1057
3 locks held by syz-executor.1/4751:
1 lock held by syz-executor.1/4759:
#0: ffff888029458d70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1057
3 locks held by syz-executor.4/4763:
1 lock held by syz-executor.4/4769:
#0: ffff888078edd9f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1057
3 locks held by syz-executor.0/4767:
1 lock held by syz-executor.0/4771:
#0: ffff888065d07270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2cb/0x380 fs/file.c:1057
4 locks held by syz-executor.4/11083:
#0: ffff8880b8f3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
#2: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_enqueue kernel/sched/stats.h:104 [inline]
#2: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: enqueue_task+0x2fe/0x3a0 kernel/sched/core.c:1970
#3: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_enqueue kernel/sched/stats.h:104 [inline]
#3: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: enqueue_task+0x2fe/0x3a0 kernel/sched/core.c:1970
1 lock held by syz-executor.1/11100:
2 locks held by syz-executor.2/11101:
3 locks held by syz-executor.3/11102:
4 locks held by syz-executor.0/11103:
#0: ffff8880b8e3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffff8880b8e27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
#2: ffff88805cdb5f78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#2: ffff88805cdb5f78 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: filemap_map_pages+0xbc5/0x15c0 mm/filemap.c:3324
#3: ffffffff8cb1fd20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by syz-executor.4/11119:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4714 Comm: kworker/u4:6 Not tainted 5.15.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:mark_lock+0x56/0x340
Code: c1 e8 03 42 0f b6 04 28 84 c0 0f 85 81 02 00 00 31 ed f6 43 02 03 40 0f 94 c5 83 f5 09 eb 0b 89 d5 83 fa 20 0f 83 d0 02 00 00 <41> be 01 00 00 00 89 e9 41 d3 e6 49 8d 5f 20 48 89 d8 48 c1 e8 03
RSP: 0018:ffffc90002eef9d8 EFLAGS: 00000087
RAX: 00000000000407fc RBX: ffff888027416458 RCX: ffffffff81633db8
RDX: 0000000000000002 RSI: ffff888027416458 RDI: ffff888027415940
RBP: 0000000000000002 R08: dffffc0000000000 R09: fffffbfff2131249
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888027416478
R13: dffffc0000000000 R14: ffff888027416428 R15: ffff888027416458
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0a8890198 CR3: 00000000643cc000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_held_locks kernel/locking/lockdep.c:4193 [inline]
__trace_hardirqs_on_caller kernel/locking/lockdep.c:4211 [inline]
lockdep_hardirqs_on_prepare+0x27d/0x7a0 kernel/locking/lockdep.c:4278
trace_hardirqs_on+0x67/0x80 kernel/trace/trace_preemptirq.c:49
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
_raw_spin_unlock_irqrestore+0x8b/0x130 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
skb_dequeue+0x10f/0x140 net/core/skbuff.c:3287
ieee80211_iface_work+0x9d7/0xcc0 net/mac80211/iface.c:1517
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287