INFO: task syz-executor.0:19494 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27152 pid:19494 tgid:19494 ppid:28475 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
bdev_release+0x161/0xb30 block/bdev.c:1028
blkdev_release+0x15/0x20 block/fops.c:628
__fput+0x270/0xb80 fs/file_table.c:422
__fput_sync+0x47/0x50 fs/file_table.c:507
__do_sys_close fs/open.c:1556 [inline]
__se_sys_close fs/open.c:1541 [inline]
__x64_sys_close+0x86/0x100 fs/open.c:1541
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7ff2bec7cc9a
RSP: 002b:00007fff75dff0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff2bec7cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007ff2bedad980 R08: 0000001b2cb20000 R09: 00000000000005ee
R10: 0000000081323edd R11: 0000000000000293 R12: 000000000022f4c6
R13: ffffffffffffffff R14: 00007ff2be800000 R15: 000000000022f185
INFO: task syz-executor.0:19497 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27040 pid:19497 tgid:19494 ppid:28475 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
bdev_release+0x161/0xb30 block/bdev.c:1028
blkdev_release+0x15/0x20 block/fops.c:628
__fput+0x270/0xb80 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x275/0x2a0 kernel/entry/common.c:212
do_syscall_64+0xe2/0x260 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7ff2bec7dda9
RSP: 002b:00007ff2bf9730c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007ff2bedabf80 RCX: 00007ff2bec7dda9
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
RBP: 00007ff2becca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff2bedabf80 R15: 00007fff75dfeff8
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by getty/4816:
#0: ffff88802a31f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015e02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
2 locks held by kworker/u8:1/7435:
1 lock held by udevd/19475:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19494:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.0/19497:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by udevd/19559:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19568:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.1/19570:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.3/19578:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.3/19579:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by udevd/19587:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by udevd/19636:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by udevd/19637:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19655:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.4/19656:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.2/19662:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.2/19663:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x161/0xb30 block/bdev.c:1028
1 lock held by syz-executor.0/19762:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19764:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19768:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.3/19765:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.3/19769:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.3/19773:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19778:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19779:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19780:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19825:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19826:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19827:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.2/19870:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.2/19871:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.2/19872:
#0: ffff88801ff004c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19922:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19924:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.0/19925:
#0: ffff88801fe2e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.3/19932:
#0: ffff88801fa924c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19935:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19936:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.1/19937:
#0: ffff88801fe4b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19953:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19954:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
1 lock held by syz-executor.4/19955:
#0: ffff88801ff044c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0x444/0xe30 block/bdev.c:862
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 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+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2806 Comm: kworker/u8:8 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:206 [inline]
RIP: 0010:unwind_next_frame+0x1ca/0x23a0 arch/x86/kernel/unwind_orc.c:494
Code: 4c 8b 63 48 e8 b7 5a 50 00 45 84 ed 0f 84 c9 02 00 00 e8 29 60 50 00 31 ff 4c 89 e6 e8 2f 5b 50 00 4d 85 e4 0f 84 ee 0a 00 00 11 60 50 00 48 c7 c6 00 00 00 81 4c 89 e7 e8 52 5a 50 00 49 81
RSP: 0018:ffffc90009d7f570 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffc90009d7f5f0 RCX: ffffffff813c9891
RDX: ffff88802b1c3c00 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: ffffffff81e72e7a R11: 0000000000000003 R12: ffffffff81e72e7a
R13: 0000000000000000 R14: ffffc90009d7f6b0 R15: ffffc90009d7f625
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001c8f000 CR3: 000000007e5aa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:240 [inline]
__kasan_slab_free+0x11d/0x1a0 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2106 [inline]
slab_free mm/slub.c:4280 [inline]
kfree+0x129/0x370 mm/slub.c:4390
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1ae9/0x30d0 net/mac80211/ibss.c:1605
ieee80211_iface_process_skb net/mac80211/iface.c:1605 [inline]
ieee80211_iface_work+0xc07/0xf00 net/mac80211/iface.c:1659
cfg80211_wiphy_work+0x255/0x330 net/wireless/core.c:437
process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254
process_scheduled_works kernel/workqueue.c:3335 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243