INFO: task udevd:3352 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00250-gd9919d43cbf6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:26168 pid: 3352 ppid: 2976 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
io_schedule+0xba/0x130 kernel/sched/core.c:8645
folio_wait_bit_common+0x4f2/0xa90 mm/filemap.c:1324
folio_wait_bit mm/filemap.c:1473 [inline]
folio_wait_locked include/linux/pagemap.h:1028 [inline]
folio_wait_locked include/linux/pagemap.h:1025 [inline]
do_read_cache_folio+0x4ff/0x760 mm/filemap.c:3530
do_read_cache_page mm/filemap.c:3602 [inline]
read_cache_page+0x59/0x2a0 mm/filemap.c:3611
read_mapping_page include/linux/pagemap.h:759 [inline]
read_part_sector+0xf6/0x920 block/partitions/core.c:715
adfspart_check_ICS+0x9a/0x690 block/partitions/acorn.c:360
check_partition block/partitions/core.c:147 [inline]
blk_add_partitions block/partitions/core.c:600 [inline]
bdev_disk_changed block/partitions/core.c:686 [inline]
bdev_disk_changed+0x629/0xf60 block/partitions/core.c:653
blkdev_get_whole+0x18a/0x2d0 block/bdev.c:686
blkdev_get_by_dev.part.0+0x5ec/0xb90 block/bdev.c:823
blkdev_get_by_dev+0x6b/0x80 block/bdev.c:857
blkdev_open+0x13c/0x2c0 block/fops.c:481
do_dentry_open+0x4a1/0x11f0 fs/open.c:848
do_open fs/namei.c:3520 [inline]
path_openat+0x1c71/0x2910 fs/namei.c:3653
do_filp_open+0x1aa/0x400 fs/namei.c:3680
do_sys_openat2+0x16d/0x4c0 fs/open.c:1278
do_sys_open fs/open.c:1294 [inline]
__do_sys_openat fs/open.c:1310 [inline]
__se_sys_openat fs/open.c:1305 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1305
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fd066d25697
RSP: 002b:00007fff90b740a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000557bb7f578a0 RCX: 00007fd066d25697
RDX: 00000000000a0800 RSI: 0000557bb7f2e4a0 RDI: 00000000ffffff9c
RBP: 0000557bb7f2e4a0 R08: 0000000000000001 R09: 00007fff90b91080
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000557bb7f30a80 R14: 0000000000000001 R15: 0000557bb7f222c0
INFO: task syz-executor.1:3867 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00250-gd9919d43cbf6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28432 pid: 3867 ppid: 3619 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
blkdev_put+0xbc/0x770 block/bdev.c:912
blkdev_close+0x64/0x80 block/fops.c:495
__fput+0x277/0x9d0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fa17223bd4b
RSP: 002b:00007ffc66c5f800 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fa17223bd4b
RDX: 0000001b2d720000 RSI: 0000001b2d723368 RDI: 0000000000000003
RBP: 00007fa17239d960 R08: 0000000000000000 R09: 00000000bdc1951b
R10: 00007ffc66d0d090 R11: 0000000000000293 R12: 0000000000140a8f
R13: 00007ffc66c5f900 R14: 00007fa17239c030 R15: 0000000000000032
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd83ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
1 lock held by syslogd/2958:
#0: ffff8880b9b39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:544
1 lock held by klogd/2965:
#0: ffff8880b9b39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:544
2 locks held by getty/3287:
#0: ffff88801eab7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90001c182e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
4 locks held by kworker/0:0/9970:
#0: ffff8880b9a39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:544
#1: ffff8880b9a277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0 kernel/sched/psi.c:880
#2: ffff8880b9a28398 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:999
#3: ffffffff91108b18 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:658
2 locks held by kworker/u4:1/23904:
1 lock held by udevd/3352:
#0: ffff88801d9b3918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb90 block/bdev.c:814
1 lock held by syz-executor.1/3867:
#0: ffff88801d9b3918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xbc/0x770 block/bdev.c:912
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc5-syzkaller-00250-gd9919d43cbf6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.19.0-rc5-syzkaller-00250-gd9919d43cbf6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5404 [inline]
RIP: 0010:lock_is_held_type+0x90/0x140 kernel/locking/lockdep.c:5708
Code: 24 58 0a 00 00 4d 8d ac 24 60 0a 00 00 65 ff 05 be 76 8b 76 85 c0 7f 12 e9 8a 00 00 00 83 c3 01 41 3b 9c 24 58 0a 00 00 7d 7d <48> 63 c3 48 89 ee 48 8d 04 80 4d 8d 7c c5 00 4c 89 ff e8 99 fe ff
RSP: 0018:ffffc900002ef900 EFLAGS: 00000093
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8bd83ae0 RDI: ffff888012198c88
RBP: ffffffff8bd83ae0 R08: 0000000000000000 R09: ffffffff8dbaf7d7
R10: fffffbfff1b75efa R11: 0000000000000001 R12: ffff888012198200
R13: ffff888012198c60 R14: 00000000ffffffff R15: ffff888012198c88
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b7e93869b8 CR3: 000000007e9d9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:279 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0x480/0x570 kernel/locking/lockdep.c:5636
rcu_lock_acquire include/linux/rcupdate.h:269 [inline]
rcu_read_lock include/linux/rcupdate.h:695 [inline]
ieee80211_vif_get_shift net/mac80211/ieee80211_i.h:1079 [inline]
ieee80211_sta_get_rates+0x13e/0x960 net/mac80211/util.c:2146
ieee80211_update_sta_info net/mac80211/ibss.c:1003 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1117 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11c8/0x33f0 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0xa78/0xd10 net/mac80211/iface.c:1581
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
----------------
Code disassembly (best guess):
0: 24 58 and $0x58,%al
2: 0a 00 or (%rax),%al
4: 00 4d 8d add %cl,-0x73(%rbp)
7: ac lods %ds:(%rsi),%al
8: 24 60 and $0x60,%al
a: 0a 00 or (%rax),%al
c: 00 65 ff add %ah,-0x1(%rbp)
f: 05 be 76 8b 76 add $0x768b76be,%eax
14: 85 c0 test %eax,%eax
16: 7f 12 jg 0x2a
18: e9 8a 00 00 00 jmpq 0xa7
1d: 83 c3 01 add $0x1,%ebx
20: 41 3b 9c 24 58 0a 00 cmp 0xa58(%r12),%ebx
27: 00
28: 7d 7d jge 0xa7
* 2a: 48 63 c3 movslq %ebx,%rax <-- trapping instruction
2d: 48 89 ee mov %rbp,%rsi
30: 48 8d 04 80 lea (%rax,%rax,4),%rax
34: 4d 8d 7c c5 00 lea 0x0(%r13,%rax,8),%r15
39: 4c 89 ff mov %r15,%rdi
3c: e8 .byte 0xe8
3d: 99 cltd
3e: fe (bad)
3f: ff .byte 0xff