./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2444303192

<...>
Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts.
execve("./syz-executor2444303192", ["./syz-executor2444303192"], 0x7ffc27cde360 /* 10 vars */) = 0
brk(NULL)                               = 0x555556554000
brk(0x555556554d00)                     = 0x555556554d00
arch_prctl(ARCH_SET_FS, 0x555556554380) = 0
set_tid_address(0x555556554650)         = 5034
set_robust_list(0x555556554660, 24)     = 0
rseq(0x555556554ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2444303192", 4096) = 28
getrandom("\x2d\x00\x27\xb0\xb1\xed\x56\xd6", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556554d00
brk(0x555556575d00)                     = 0x555556575d00
brk(0x555556576000)                     = 0x555556576000
mprotect(0x7fbc6b4a3000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/bus/usb/002/001", O_RDONLY) = 3
mmap(0x20000000, 4194304, PROT_WRITE|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK|MAP_EXECUTABLE, 3, 0) = 0x20000000
[   54.314512][ T5034] 
[   54.317052][ T5034] =============================
[   54.322024][ T5034] WARNING: suspicious RCU usage
[   54.326855][ T5034] 6.5.0-rc3-next-20230725-syzkaller #0 Not tainted
[   54.333482][ T5034] -----------------------------
[   54.338325][ T5034] lib/maple_tree.c:839 suspicious rcu_dereference_check() usage!
[   54.346229][ T5034] 
[   54.346229][ T5034] other info that might help us debug this:
[   54.346229][ T5034] 
[   54.356633][ T5034] 
[   54.356633][ T5034] rcu_scheduler_active = 2, debug_locks = 1
[   54.364942][ T5034] 1 lock held by syz-executor244/5034:
[   54.370523][ T5034]  #0: ffff88802b3f0148 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x201/0x950
[   54.381009][ T5034] 
[   54.381009][ T5034] stack backtrace:
[   54.386921][ T5034] CPU: 0 PID: 5034 Comm: syz-executor244 Not tainted 6.5.0-rc3-next-20230725-syzkaller #0
[   54.396803][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   54.406853][ T5034] Call Trace:
[   54.410122][ T5034]  <TASK>
[   54.413041][ T5034]  dump_stack_lvl+0x125/0x1b0
[   54.417731][ T5034]  lockdep_rcu_suspicious+0x20c/0x3b0
[   54.423103][ T5034]  mas_walk+0x55e/0x7d0
[   54.427297][ T5034]  find_mergeable_anon_vma+0x102/0x890
[   54.432755][ T5034]  ? vma_merge+0x2bd0/0x2bd0
[   54.437342][ T5034]  ? kmem_cache_alloc+0x34e/0x3b0
[   54.442361][ T5034]  ? reacquire_held_locks+0x4b0/0x4b0
[   54.447749][ T5034]  __anon_vma_prepare+0x7d/0x550
[   54.452682][ T5034]  do_wp_page+0x1bbf/0x2e10
[   54.457185][ T5034]  ? lock_sync+0x190/0x190
[   54.461596][ T5034]  ? finish_mkwrite_fault+0x300/0x300
[   54.466968][ T5034]  ? spin_bug+0x1d0/0x1d0
[   54.471312][ T5034]  __handle_mm_fault+0x1704/0x4030
[   54.476443][ T5034]  ? vm_iomap_memory+0x170/0x170
[   54.481392][ T5034]  ? mas_walk+0x423/0x7d0
[   54.485755][ T5034]  ? lock_mm_and_find_vma+0x780/0x780
[   54.491189][ T5034]  ? xfd_validate_state+0x5d/0x180
[   54.496342][ T5034]  handle_mm_fault+0x47a/0xa00
[   54.501127][ T5034]  do_user_addr_fault+0x2e7/0xfe0
[   54.506168][ T5034]  ? rcu_is_watching+0x12/0xb0
[   54.510946][ T5034]  exc_page_fault+0x5c/0xd0
[   54.515466][ T5034]  asm_exc_page_fault+0x26/0x30
[   54.520356][ T5034] RIP: 0033:0x7fbc6b3fd6e5
[   54.524796][ T5034] Code: 6a 00 41 b8 12 10 01 00 be 00 00 00 20 4c 8b 0d 21 9a 0a 00 bf 09 00 00 00 e8 37 2a 03 00 b9 00 04 00 20 ba 46 ae 20 40 31 c0 <c7> 04 25 00 04 00 20 00 00 00 00 be ff ff ff ff bf 10 00 00 00 c7
[   54.544426][ T5034] RSP: 002b:00007ffd68c881f0 EFLAGS: 00010246
[   54.550509][ T5034] RAX: 0000000000000000 RBX: 00007ffd68c883c8 RCX: 0000000020000400
[   54.558486][ T5034] RDX: 000000004020ae46 RSI: 0000000000400000 RDI: 0000000020000000
[   54.566466][ T5034] RBP: 00007fbc6b4a3610 R08: 0000000000000003 R09: 0000000000000000
[   54.574446][ T5034] R10: 0000000000011012 R11: 0000000000000246 R12: 0000000000000001
[   54.582425][ T5034] R13: 00007ffd68c883b8 R14: 0000000000000001 R15: 0000000000000001
[   54.590425][ T5034]  </TASK>
[   54.594625][ T5034] 
[   54.597003][ T5034] =============================
[   54.601895][ T5034] WARNING: suspicious RCU usage
[   54.606737][ T5034] 6.5.0-rc3-next-20230725-syzkaller #0 Not tainted
[   54.613296][ T5034] -----------------------------
[   54.618144][ T5034] lib/maple_tree.c:795 suspicious rcu_dereference_check() usage!
[   54.625993][ T5034] 
[   54.625993][ T5034] other info that might help us debug this:
[   54.625993][ T5034] 
[   54.636269][ T5034] 
[   54.636269][ T5034] rcu_scheduler_active = 2, debug_locks = 1
[   54.644376][ T5034] 1 lock held by syz-executor244/5034:
[   54.649880][ T5034]  #0: ffff88802b3f0148 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x201/0x950
[   54.660236][ T5034] 
[   54.660236][ T5034] stack backtrace:
[   54.666146][ T5034] CPU: 0 PID: 5034 Comm: syz-executor244 Not tainted 6.5.0-rc3-next-20230725-syzkaller #0
[   54.676060][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   54.686143][ T5034] Call Trace:
[   54.689445][ T5034]  <TASK>
[   54.692371][ T5034]  dump_stack_lvl+0x125/0x1b0
[   54.697079][ T5034]  lockdep_rcu_suspicious+0x20c/0x3b0
[   54.702458][ T5034]  mtree_range_walk+0x6c5/0x9b0
[   54.707313][ T5034]  mas_walk+0x389/0x7d0
[   54.711465][ T5034]  find_mergeable_anon_vma+0x102/0x890
[   54.716921][ T5034]  ? vma_merge+0x2bd0/0x2bd0
[   54.721521][ T5034]  ? kmem_cache_alloc+0x34e/0x3b0
[   54.726546][ T5034]  ? reacquire_held_locks+0x4b0/0x4b0
[   54.732041][ T5034]  __anon_vma_prepare+0x7d/0x550
[   54.736987][ T5034]  do_wp_page+0x1bbf/0x2e10
[   54.741501][ T5034]  ? lock_sync+0x190/0x190
[   54.745917][ T5034]  ? finish_mkwrite_fault+0x300/0x300
[   54.751292][ T5034]  ? spin_bug+0x1d0/0x1d0
[   54.760658][ T5034]  __handle_mm_fault+0x1704/0x4030
[   54.765764][ T5034]  ? vm_iomap_memory+0x170/0x170
[   54.770692][ T5034]  ? mas_walk+0x423/0x7d0
[   54.775020][ T5034]  ? lock_mm_and_find_vma+0x780/0x780
[   54.780424][ T5034]  ? xfd_validate_state+0x5d/0x180
[   54.785580][ T5034]  handle_mm_fault+0x47a/0xa00
[   54.790368][ T5034]  do_user_addr_fault+0x2e7/0xfe0
[   54.795392][ T5034]  ? rcu_is_watching+0x12/0xb0
[   54.800156][ T5034]  exc_page_fault+0x5c/0xd0
[   54.804677][ T5034]  asm_exc_page_fault+0x26/0x30
[   54.809526][ T5034] RIP: 0033:0x7fbc6b3fd6e5
[   54.813933][ T5034] Code: 6a 00 41 b8 12 10 01 00 be 00 00 00 20 4c 8b 0d 21 9a 0a 00 bf 09 00 00 00 e8 37 2a 03 00 b9 00 04 00 20 ba 46 ae 20 40 31 c0 <c7> 04 25 00 04 00 20 00 00 00 00 be ff ff ff ff bf 10 00 00 00 c7
[   54.833534][ T5034] RSP: 002b:00007ffd68c881f0 EFLAGS: 00010246
[   54.839594][ T5034] RAX: 0000000000000000 RBX: 00007ffd68c883c8 RCX: 0000000020000400
[   54.847557][ T5034] RDX: 000000004020ae46 RSI: 0000000000400000 RDI: 0000000020000000
[   54.855533][ T5034] RBP: 00007fbc6b4a3610 R08: 0000000000000003 R09: 0000000000000000
ioctl(-1, KVM_SET_USER_MEMORY_REGION, 0x20000400) = -1 EBADF (Bad file descriptor)
exit_group(0)                           = ?
+++ exited with 0 +++
[   54.863512][ T5034] R10: 000000000001101