INFO: task udevd:6388 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:26272 pid: 6388 ppid: 2963 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6427
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
blkdev_get_by_dev.part.0+0x9b/0xc70 block/bdev.c:804
blkdev_get_by_dev+0x6b/0x80 block/bdev.c:847
blkdev_open+0x154/0x2e0 block/fops.c:501
do_dentry_open+0x4b9/0x1240 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1241
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+0x44/0xae
RIP: 0033:0x7f43ff8f6697
RSP: 002b:00007ffe137f5200 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f44000b3c80 RCX: 00007f43ff8f6697
RDX: 00000000000a0800 RSI: 00007f4400094fa0 RDI: 00000000ffffff9c
RBP: 00007f4400094fa0 R08: 0000000000000001 R09: 00007ffe137fa080
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 00007f4400094ff0 R14: 0000000000000001 R15: 00007f44000792c0
INFO: task syz-executor.1:11803 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28616 pid:11803 ppid: 3758 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6427
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
blkdev_put+0x99/0x950 block/bdev.c:902
blkdev_close+0x6a/0x80 block/fops.c:515
__fput+0x286/0x9f0 fs/file_table.c:311
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
get_signal+0x21f8/0x28c0 kernel/signal.c:2630
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff5a1074059
RSP: 002b:00007ff59f9e9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffe00 RBX: 00007ff5a1186f60 RCX: 00007ff5a1074059
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
RBP: 00007ff5a10ce08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc0c207cdf R14: 00007ff59f9e9300 R15: 0000000000022000
INFO: task syz-executor.1:11813 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26688 pid:11813 ppid: 3758 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
io_schedule+0xee/0x170 kernel/sched/core.c:8407
folio_wait_bit_common+0x4f2/0xa90 mm/filemap.c:1322
folio_wait_bit mm/filemap.c:1471 [inline]
folio_wait_locked include/linux/pagemap.h:847 [inline]
folio_wait_locked include/linux/pagemap.h:844 [inline]
do_read_cache_folio+0x506/0x760 mm/filemap.c:3495
do_read_cache_page mm/filemap.c:3567 [inline]
read_cache_page+0x59/0x1c0 mm/filemap.c:3576
read_mapping_page include/linux/pagemap.h:641 [inline]
read_part_sector+0xf6/0x5b0 block/partitions/core.c:724
adfspart_check_ICS+0x9d/0xc90 block/partitions/acorn.c:360
check_partition block/partitions/core.c:148 [inline]
blk_add_partitions block/partitions/core.c:609 [inline]
bdev_disk_changed+0x629/0xf60 block/partitions/core.c:695
blkdev_get_whole+0x206/0x2d0 block/bdev.c:679
blkdev_get_by_dev.part.0+0x5c6/0xc70 block/bdev.c:813
blkdev_get_by_dev+0x6b/0x80 block/bdev.c:847
blkdev_open+0x154/0x2e0 block/fops.c:501
do_dentry_open+0x4b9/0x1240 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1241
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+0x44/0xae
RIP: 0033:0x7ff5a1026f74
RSP: 002b:00007ff59f9c7ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007ff5a1026f74
RDX: 0000000000000000 RSI: 00007ff59f9c7d40 RDI: 00000000ffffff9c
RBP: 00007ff59f9c7d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffc0c207cdf R14: 00007ff59f9c8300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb81120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3271:
#0: ffff88814af12098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
1 lock held by udevd/6388:
#0: ffff88801b03f118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xc70 block/bdev.c:804
1 lock held by syz-executor.1/11803:
#0: ffff88801b03f118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x99/0x950 block/bdev.c:902
1 lock held by syz-executor.1/11813:
#0: ffff88801b03f118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xc70 block/bdev.c:804
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0x1b3/0x230 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:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 54 Comm: kworker/u4:3 Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy11 ieee80211_iface_work
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3694 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3714 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:3769 [inline]
RIP: 0010:__lock_acquire+0x1699/0x5470 kernel/locking/lockdep.c:5027
Code: af 6c 24 08 48 c1 ed 30 48 8d 04 ed a0 38 f3 8f 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 d0 2b 00 00 48 8b 1c ed a0 38 f3 8f 48 85 db 74 63 48 83 eb
RSP: 0018:ffffc90001a377d8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000807 RCX: ffffffff815c39b5
RDX: 1ffffffff1ff23f3 RSI: 0000000000000008 RDI: ffffffff8ffc3a40
RBP: 000000000000bcdf R08: 0000000000000000 R09: ffffffff8ffc3a47
R10: fffffbfff1ff8748 R11: 0000000000000001 R12: ffff888017b28c98
R13: ffff888017b281c0 R14: ffffffff8d93bce8 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff1991ccffc CR3: 000000007109d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
__mutex_lock_common kernel/locking/mutex.c:600 [inline]
__mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:733
ieee80211_ibss_sta_expire net/mac80211/ibss.c:1255 [inline]
ieee80211_sta_merge_ibss net/mac80211/ibss.c:1298 [inline]
ieee80211_ibss_work+0x47e/0xe80 net/mac80211/ibss.c:1709
ieee80211_iface_work+0xb74/0xd00 net/mac80211/iface.c:1603
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: af scas %es:(%rdi),%eax
1: 6c insb (%dx),%es:(%rdi)
2: 24 08 and $0x8,%al
4: 48 c1 ed 30 shr $0x30,%rbp
8: 48 8d 04 ed a0 38 f3 lea -0x700cc760(,%rbp,8),%rax
f: 8f
10: 48 89 c2 mov %rax,%rdx
13: 48 89 44 24 10 mov %rax,0x10(%rsp)
18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1f: fc ff df
22: 48 c1 ea 03 shr $0x3,%rdx
26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 2a: 0f 85 d0 2b 00 00 jne 0x2c00 <-- trapping instruction
30: 48 8b 1c ed a0 38 f3 mov -0x700cc760(,%rbp,8),%rbx
37: 8f
38: 48 85 db test %rbx,%rbx
3b: 74 63 je 0xa0
3d: 48 rex.W
3e: 83 .byte 0x83
3f: eb .byte 0xeb