INFO: task syz-executor.0:23835 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D
stack:27624 pid:23835 ppid:3631 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882
f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656
sync_fs_one_sb fs/sync.c:84 [inline]
sync_fs_one_sb+0x107/0x140 fs/sync.c:80
iterate_supers+0x13c/0x290 fs/super.c:723
ksys_sync+0xa8/0x150 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
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+0x63/0xcd
RIP: 0033:0x7fa444c8b5a9
RSP: 002b:00007fa44595e168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa444dac050 RCX: 00007fa444c8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa444ce67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe0ad35ff R14: 00007fa44595e300 R15: 0000000000022000
INFO: task syz-executor.4:23851 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:29968 pid:23851 ppid:3634 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882
f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656
sync_fs_one_sb fs/sync.c:84 [inline]
sync_fs_one_sb+0x107/0x140 fs/sync.c:80
iterate_supers+0x13c/0x290 fs/super.c:723
ksys_sync+0xa8/0x150 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
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+0x63/0xcd
RIP: 0033:0x7ff53508b5a9
RSP: 002b:00007ff535d62168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007ff5351ac050 RCX: 00007ff53508b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ff5350e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde9998ddf R14: 00007ff535d62300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x32f/0x3c0 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+0xc71/0xfc0 kernel/hung_task.c:377
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:local_lock_acquire include/linux/local_lock_internal.h:30 [inline]
RIP: 0010:___slab_alloc+0xe1/0x1400 mm/slub.c:3099
Code: 0f 87 74 10 00 00 4e 03 3c f5 a0 a8 99 8b 45 31 c9 31 c9 31 d2 68 dd 6a c8 81 31 f6 41 b8 01 00 00 00 4c 89 ff e8 bf 4d 97 ff <58> 8b 05 78 9d 57 0f 85 c0 0f 84 92 00 00 00 65 48 8b 04 25 80 6f
RSP: 0018:ffffc90000147878 EFLAGS: 00000092
RAX: 0000000000000000 RBX: ffff8880b9a43410 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de21a10
RBP: ffff8880127ba280 R08: 0000000000000000 R09: ffffffff8de21a17
R10: fffffbfff1bc4342 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000246 R14: 0000000000000000 R15: ffff8880b9a43430
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe371bca88 CR3: 000000001d8d6000 CR4: 0000000000350ef0
Call Trace:
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279
slab_alloc_node mm/slub.c:3364 [inline]
kmem_cache_alloc_node+0x189/0x400 mm/slub.c:3443
__alloc_skb+0x210/0x2f0 net/core/skbuff.c:497
skb_copy+0x139/0x3c0 net/core/skbuff.c:1715
mac80211_hwsim_tx_frame_no_nl.isra.0+0xb67/0x12c0 drivers/net/wireless/mac80211_hwsim.c:1719
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:2048
mac80211_hwsim_beacon_tx+0x55c/0xab0 drivers/net/wireless/mac80211_hwsim.c:2111
__iterate_interfaces+0x2c8/0x550 net/mac80211/util.c:796
ieee80211_iterate_active_interfaces_atomic+0x70/0x180 net/mac80211/util.c:832
mac80211_hwsim_beacon+0xfd/0x1f0 drivers/net/wireless/mac80211_hwsim.c:2137
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x690/0xfb0 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x1f7/0xad8 kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:934 [inline]
run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
smpboot_thread_fn+0x645/0xa00 kernel/smpboot.c:164
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306