loop3: detected capacity change from 0 to 64
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 16309 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582
Modules linked in:
CPU: 0 PID: 16309 Comm: syz-executor.3 Not tainted 6.1.61-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582
lr : __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582
sp : ffff8000238b7300
x29: ffff8000238b7490 x28: dfff800000000000 x27: 1ffff00003307efc
x26: ffff80001983f000 x25: ffff700004716e7c x24: 0000000000000000
x23: 0000000000000000 x22: ffff800008dcdbc8 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000d8741028 x18: 1fffe000368ac776
x17: ffff80001580d000 x16: ffff800012134cdc x15: ffff0001b4563bbc
x14: ffff0001b4563bb8 x13: 1fffe000368ac776 x12: 0000000000000001
x11: ff80800008050054 x10: 0000000040000002 x9 : 82d15a6fe0223300
x8 : 82d15a6fe0223300 x7 : 1fffe000368ac777 x6 : ffff80000827db78
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff8000238b6e60 x1 : 0000000000000000 x0 : ffff80000827dc18
Call trace:
 __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3392 [inline]
 open_last_lookups fs/namei.c:3482 [inline]
 path_openat+0xd3c/0x2548 fs/namei.c:3712
 do_filp_open+0x1bc/0x3cc fs/namei.c:3742
 do_sys_openat2+0x128/0x3d8 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1719
hardirqs last  enabled at (1719): [<ffff80000897651c>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (1718): [<ffff8000089764dc>] kasan_quarantine_put+0x9c/0x204 mm/kasan/quarantine.c:215
softirqs last  enabled at (1648): [<ffff800008033064>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1646): [<ffff800008033030>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
================================================================================
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9
index 13200 is out of range for type 'unsigned long[8]'
CPU: 1 PID: 16309 Comm: syz-executor.3 Tainted: G        W          6.1.61-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
 decode_tail kernel/locking/qspinlock.c:131 [inline]
 queued_spin_lock_slowpath+0x9fc/0xe48 kernel/locking/qspinlock.c:471
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x330/0x358 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
 _raw_spin_lock+0x5c/0x6c kernel/locking/spinlock.c:154
 __mutex_lock_common+0x394/0x21a0 kernel/locking/mutex.c:617
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3392 [inline]
 open_last_lookups fs/namei.c:3482 [inline]
 path_openat+0xd3c/0x2548 fs/namei.c:3712
 do_filp_open+0x1bc/0x3cc fs/namei.c:3742
 do_sys_openat2+0x128/0x3d8 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
================================================================================
Unable to handle kernel paging request at virtual address ffff800015775380
KASAN: probably user-memory-access in range [0x00000000abba9c00-0x00000000abba9c07]
Mem abort info:
  ESR = 0x0000000096000047
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000047
  CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001b19aa000
[ffff800015775380] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fffa003, pte=0000000000000000
Internal error: Oops: 0000000096000047 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 16309 Comm: syz-executor.3 Tainted: G        W          6.1.61-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x3f4/0xe48 kernel/locking/qspinlock.c:474
lr : decode_tail kernel/locking/qspinlock.c:131 [inline]
lr : queued_spin_lock_slowpath+0x9fc/0xe48 kernel/locking/qspinlock.c:471
sp : ffff8000238b7100
x29: ffff8000238b71a0 x28: 000000000000ce44 x27: 1ffff00004716e2c
x26: dfff800000000000 x25: 1fffe0001b0e8206 x24: 0000000000080000
x23: ffff0001b4597388 x22: ffff800015775380 x21: ffff0001b4597380
x20: 1fffe000368b2e70 x19: ffff0000d8741030 x18: 1fffe000368ac776
x17: 3d3d3d3d3d3d3d3d x16: ffff80001213619c x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000
x11: 000000000002a1af x10: ffff800015775380 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000238b69b8 x4 : ffff8000158f29c0 x3 : ffff8000081ae614
x2 : 0000000000000001 x1 : 0000000000000004 x0 : ffff0001b4597388
Call trace:
 queued_spin_lock_slowpath+0x3f4/0xe48 kernel/locking/qspinlock.c:477
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x330/0x358 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
 _raw_spin_lock+0x5c/0x6c kernel/locking/spinlock.c:154
 __mutex_lock_common+0x394/0x21a0 kernel/locking/mutex.c:617
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3392 [inline]
 open_last_lookups fs/namei.c:3482 [inline]
 path_openat+0xd3c/0x2548 fs/namei.c:3712
 do_filp_open+0x1bc/0x3cc fs/namei.c:3742
 do_sys_openat2+0x128/0x3d8 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1603e0 97743bf9 aa1703e0 52800081 (f90002d5) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1603e0 	mov	x0, x22
   4:	97743bf9 	bl	0xfffffffffdd0efe8
   8:	aa1703e0 	mov	x0, x23
   c:	52800081 	mov	w1, #0x4                   	// #4
* 10:	f90002d5 	str	x21, [x22] <-- trapping instruction