INFO: task syz-executor.3:22217 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc1-syzkaller-00134-ge35184f32151 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:27976 pid:22217 ppid:3638   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 request_wait_answer+0x46d/0x850 fs/fuse/dev.c:407
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x71d/0xe50 fs/fuse/dev.c:511
 fuse_dentry_revalidate+0x3b9/0xb00 fs/fuse/dir.c:243
 d_revalidate fs/namei.c:856 [inline]
 d_revalidate fs/namei.c:853 [inline]
 lookup_fast+0x434/0x520 fs/namei.c:1641
 walk_component+0x5e/0x5a0 fs/namei.c:1989
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x1ba/0x840 fs/namei.c:2474
 filename_lookup+0x1ce/0x590 fs/namei.c:2503
 kern_path+0x34/0x50 fs/namei.c:2593
 lookup_bdev+0xc3/0x260 block/bdev.c:981
 quotactl_block+0xcb/0x410 fs/quota/quota.c:877
 __do_sys_quotactl fs/quota/quota.c:954 [inline]
 __se_sys_quotactl fs/quota/quota.c:916 [inline]
 __x64_sys_quotactl+0x15c/0x400 fs/quota/quota.c:916
 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: 0033:0x7f5dc0a8b5f9
RSP: 002b:00007f5dc1c21168 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f5dc0bac050 RCX: 00007f5dc0a8b5f9
RDX: ffffffffffffffff RSI: 00000000200021c0 RDI: 0000000000000000
RBP: 00007f5dc0ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda88f476f R14: 00007f5dc1c21300 R15: 0000000000022000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc1-syzkaller-00134-ge35184f32151 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __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
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 20475 Comm: kworker/u4:11 Not tainted 6.1.0-rc1-syzkaller-00134-ge35184f32151 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:101 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x5c/0x180 mm/kasan/generic.c:189
Code: e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 48 89 da <48> 29 ea 48 83 fa 10 7e 63 41 89 eb 41 83 e3 07 75 74 4c 8d 5a 07
RSP: 0018:ffffc9000ab97ba0 EFLAGS: 00000286
RAX: fffffbfff1bc4142 RBX: fffffbfff1bc4143 RCX: ffffffff815fa015
RDX: fffffbfff1bc4143 RSI: 0000000000000008 RDI: ffffffff8de20a10
RBP: fffffbfff1bc4142 R08: 0000000000000000 R09: ffffffff8de20a17
R10: fffffbfff1bc4142 R11: 0000000000000001 R12: ffffffff8bf88880
R13: 0000000000000000 R14: 0000000000000001 R15: 000000000000024c
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed21000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:444 [inline]
 cpu_online include/linux/cpumask.h:1030 [inline]
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xd5/0x810 kernel/locking/lockdep.c:5679
 rcu_lock_release include/linux/rcupdate.h:309 [inline]
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x86b/0xfa0 net/batman-adv/network-coding.c:719
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
vkms_vblank_simulate: vblank timer overrun