INFO: task syz-executor.3:15408 blocked for more than 143 seconds.
Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24792 pid:15408 ppid:25812 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
blk_mq_freeze_queue_wait+0x105/0x190 block/blk-mq.c:180
nbd_add_socket+0x17b/0x8e0 drivers/block/nbd.c:1121
__nbd_ioctl drivers/block/nbd.c:1464 [inline]
nbd_ioctl+0x1d5/0x5b0 drivers/block/nbd.c:1521
blkdev_ioctl+0x3a6/0x760 block/ioctl.c:614
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff744a8b5f9
RSP: 002b:00007ff745ca8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff744babf80 RCX: 00007ff744a8b5f9
RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003
RBP: 00007ff744ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0d2a960f R14: 00007ff745ca8300 R15: 0000000000022000
INFO: task syz-executor.3:15423 blocked for more than 144 seconds.
Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26584 pid:15423 ppid:25812 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
__bio_queue_enter+0x372/0x6c0 block/blk-core.c:338
bio_queue_enter block/blk.h:76 [inline]
blk_mq_get_new_requests block/blk-mq.c:2794 [inline]
blk_mq_submit_bio+0xa51/0x1ed0 block/blk-mq.c:2896
__submit_bio block/blk-core.c:591 [inline]
__submit_bio_noacct_mq block/blk-core.c:668 [inline]
submit_bio_noacct_nocheck+0xdcd/0x1040 block/blk-core.c:685
submit_bh fs/buffer.c:2707 [inline]
block_read_full_folio+0xa80/0xef0 fs/buffer.c:2325
filemap_read_folio+0x1ba/0x7f0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
read_mapping_folio include/linux/pagemap.h:762 [inline]
read_part_sector+0xcb/0x360 block/partitions/core.c:717
adfspart_check_ICS+0xd4/0x950 block/partitions/acorn.c:360
check_partition block/partitions/core.c:146 [inline]
blk_add_partitions block/partitions/core.c:602 [inline]
bdev_disk_changed+0x79d/0x1420 block/partitions/core.c:688
blkdev_get_whole+0x329/0x3b0 block/bdev.c:685
blkdev_get_by_dev+0x30b/0xa40 block/bdev.c:822
blkdev_open+0x128/0x2e0 block/fops.c:485
do_dentry_open+0x85f/0x11b0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x260e/0x2e00 fs/namei.c:3713
do_filp_open+0x275/0x500 fs/namei.c:3740
do_sys_openat2+0x13b/0x500 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff744a3d6a4
RSP: 002b:00007ff745c86ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007ff744a3d6a4
RDX: 0000000000000000 RSI: 00007ff745c86d40 RDI: 00000000ffffff9c
RBP: 00007ff745c86d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fff0d2a960f R14: 00007ff745c87300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3803 Comm: kworker/u4:11 Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: phy34 ieee80211_iface_work
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:58 [inline]
RIP: 0010:unwind_next_frame+0x1a4f/0x24c0 arch/x86/kernel/unwind_orc.c:622
Code: 0f e8 55 68 a2 00 49 b9 00 00 00 00 00 fc ff df 4c 8b 7d 10 42 8a 04 0b 84 c0 0f 85 72 09 00 00 83 7d 00 00 0f 84 ad 00 00 00 <4d> 39 e6 0f 87 a4 00 00 00 4d 39 e7 0f 86 9b 00 00 00 49 8d 44 24
RSP: 0018:ffffc9000514eca0 EFLAGS: 00000202
RAX: 1ffff92000a29d00 RBX: 1ffff92000a29db0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffc90005148000 RDI: ffffc9000514ed90
RBP: ffffc9000514ed80 R08: ffffc9000514f3b0 R09: dffffc0000000000
R10: fffff52000a29dbc R11: 1ffff92000a29dba R12: ffffc9000514f3c0
R13: ffffffff8f39b53e R14: ffffc90005148000 R15: ffffc90005150000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201a2030 CR3: 000000007e74d000 CR4: 00000000003506e0
Call Trace:
arch_stack_walk+0x112/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:122
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:481
kvfree_call_rcu+0x118/0x8c0 kernel/rcu/tree.c:3341
cfg80211_update_known_bss+0x16a/0x9e0
cfg80211_bss_update+0x175/0x20b0 net/wireless/scan.c:1727
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2496 [inline]
cfg80211_inform_bss_frame_data+0x9f5/0x21a0 net/wireless/scan.c:2529
ieee80211_bss_info_update+0x751/0xfe0 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+0x1973/0x2cd0 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1630 [inline]
ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1684
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306