INFO: task syz-executor.0:22816 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28248 pid:22816 ppid:5097 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0x17d8/0x4990 kernel/sched/core.c:6622
schedule+0xc3/0x180 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common+0x61/0x2c0 kernel/locking/rwsem.c:1250
inode_lock_shared include/linux/fs.h:768 [inline]
open_last_lookups fs/namei.c:3483 [inline]
path_openat+0x7ab/0x3170 fs/namei.c:3712
do_filp_open+0x234/0x490 fs/namei.c:3742
do_sys_openat2+0x13f/0x500 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_open fs/open.c:1372 [inline]
__se_sys_open fs/open.c:1368 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1368
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ad868c0f9
RSP: 002b:00007f5ad9356168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5ad87ac050 RCX: 00007f5ad868c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0
RBP: 00007f5ad86e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2ca3551f R14: 00007f5ad9356300 R15: 0000000000022000
INFO: task syz-executor.0:22817 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28248 pid:22817 ppid:5097 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0x17d8/0x4990 kernel/sched/core.c:6622
schedule+0xc3/0x180 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common+0x61/0x2c0 kernel/locking/rwsem.c:1250
inode_lock_shared include/linux/fs.h:768 [inline]
open_last_lookups fs/namei.c:3483 [inline]
path_openat+0x7ab/0x3170 fs/namei.c:3712
do_filp_open+0x234/0x490 fs/namei.c:3742
do_sys_openat2+0x13f/0x500 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_open fs/open.c:1372 [inline]
__se_sys_open fs/open.c:1368 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1368
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ad868c0f9
RSP: 002b:00007f5ad9335168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5ad87ac120 RCX: 00007f5ad868c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0
RBP: 00007f5ad86e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2ca3551f R14: 00007f5ad9335300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d127a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d128270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8d1278a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4746:
#0: ffff88814a2be098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
5 locks held by syz-executor.3/5112:
#0: ffff8880b983be98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:539
#1: ffff88807cdc6cb0 (&mm->cid_lock#2){....}-{2:2}, at: mm_cid_get kernel/sched/sched.h:3280 [inline]
#1: ffff88807cdc6cb0 (&mm->cid_lock#2){....}-{2:2}, at: switch_mm_cid kernel/sched/sched.h:3302 [inline]
#1: ffff88807cdc6cb0 (&mm->cid_lock#2){....}-{2:2}, at: prepare_task_switch kernel/sched/core.c:5114 [inline]
#1: ffff88807cdc6cb0 (&mm->cid_lock#2){....}-{2:2}, at: context_switch kernel/sched/core.c:5255 [inline]
#1: ffff88807cdc6cb0 (&mm->cid_lock#2){....}-{2:2}, at: __schedule+0x1361/0x4990 kernel/sched/core.c:6622
#2: ffffffff8d1278a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
#3: ffff88814a337450 (elock-AF_INET6){....}-{2:2}, at: skb_dequeue net/core/skbuff.c:3563 [inline]
#3: ffff88814a337450 (elock-AF_INET6){....}-{2:2}, at: skb_queue_purge+0x32/0x1c0 net/core/skbuff.c:3601
#4: ffff88807d92c3f0 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb2/0x1210 kernel/sched/core.c:4159
1 lock held by syz-executor.4/5116:
3 locks held by kworker/u4:13/8055:
4 locks held by syz-executor.0/22801:
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: reiserfs_dir_fsync+0x98/0x100 fs/reiserfs/dir.c:41
#1: ffffc9000ae910f0 (&journal->j_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#1: ffffc9000ae910f0 (&journal->j_mutex){+.+.}-{3:3}, at: lock_journal fs/reiserfs/journal.c:534 [inline]
#1: ffffc9000ae910f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x390/0x4770 fs/reiserfs/journal.c:4027
#2: ffffc9000ae91180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#2: ffffc9000ae91180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x18d/0x1c70 fs/reiserfs/journal.c:1369
#3: ffff8880b993be98 (&rq->__lock){-.-.}-{2:2}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#3: ffff8880b993be98 (&rq->__lock){-.-.}-{2:2}, at: flush_commit_list+0x66a/0x1bf0 fs/reiserfs/journal.c:1007
1 lock held by syz-executor.0/22816:
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: open_last_lookups fs/namei.c:3483 [inline]
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: path_openat+0x7ab/0x3170 fs/namei.c:3712
1 lock held by syz-executor.0/22817:
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: open_last_lookups fs/namei.c:3483 [inline]
#0: ffff88803b8937e0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: path_openat+0x7ab/0x3170 fs/namei.c:3712
2 locks held by syz-executor.1/24822:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e5/0x560 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1b4/0x410 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x1024/0x1070 kernel/hung_task.c:379
kthread+0x270/0x300 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: 8052 Comm: kworker/u4:11 Not tainted 6.2.0-syzkaller-13534-gb01fe98d34f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: phy3 ieee80211_iface_work
RIP: 0010:__stack_depot_save+0x145/0x650 lib/stackdepot.c:384
Code: c0 0e 29 c5 41 31 ee c1 c5 18 41 29 ee eb 06 44 89 ee 44 89 e7 48 8b 2d d1 54 8e 0d 8b 1d c7 54 8e 0d 44 21 f3 4c 8b 64 dd 00 <45> 89 c5 eb 04 4d 8b 24 24 4d 85 e4 74 2c 45 39 74 24 08 75 f0 45
RSP: 0018:ffffc90016cd7118 EFLAGS: 00000202
RAX: 00000000be5dba1a RBX: 00000000000ca5ce RCX: 00000000854a9c58
RDX: ffffc90016cd71c4 RSI: 0000000000000001 RDI: 0000000000000920
RBP: ffff88823b400000 R08: 000000000000000b R09: ffffc90016cd70d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888027602f20
R13: 0000000000000001 R14: 0000000017aca5ce R15: ffffc90016cd7170
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52bd785058 CR3: 000000000cf30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x61/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:196 [inline]
__do_kmalloc_node mm/slab_common.c:967 [inline]
__kmalloc+0xb3/0x1a0 mm/slab_common.c:980
kmalloc include/linux/slab.h:584 [inline]
kzalloc include/linux/slab.h:720 [inline]
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2464 [inline]
cfg80211_inform_bss_frame_data+0x642/0x24c0 net/wireless/scan.c:2525
ieee80211_bss_info_update+0x801/0xf00 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1a3c/0x2e80 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1637
process_one_work+0x915/0x13a0 kernel/workqueue.c:2390
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308