REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. loop0: detected capacity change from 0 to 64 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 5143 at kernel/locking/mutex.c:575 __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575 Modules linked in: CPU: 1 PID: 5143 Comm: syz.0.116 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575 lr : __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575 sp : ffff8000228b72c0 x29: ffff8000228b7450 x28: dfff800000000000 x27: 1ffff000036e6da4 x26: ffff80001b736000 x25: ffff700004516e74 x24: 0000000000000000 x23: 0000000000000000 x22: ffff800008d15504 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000e8735828 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011ac0478 x15: 00000000ffffffff x14: ffff0000d4db8000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : b2f4c675a3ee4600 x8 : b2f4c675a3ee4600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000228b6a38 x4 : ffff800014bb0660 x3 : ffff800008555fe4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000028 Call trace: __mutex_lock_common+0x1614/0x2154 kernel/locking/mutex.c:575 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3440 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0xd9c/0x26cc fs/namei.c:3739 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769 do_sys_openat2+0x128/0x3e0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 27971 hardirqs last enabled at (27971): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (27970): [] kasan_quarantine_put+0x9c/0x204 mm/kasan/quarantine.c:204 softirqs last enabled at (27940): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (27938): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 2324411fd66781e9 ]--- ================================================================================ UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9 index 12781 is out of range for type 'unsigned long[8]' CPU: 1 PID: 5143 Comm: syz.0.116 Tainted: G W 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __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+0x108/0x15c lib/ubsan.c:282 decode_tail kernel/locking/qspinlock.c:130 [inline] queued_spin_lock_slowpath+0x854/0x938 kernel/locking/qspinlock.c:468 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154 __mutex_lock_common+0x380/0x2154 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3440 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0xd9c/0x26cc fs/namei.c:3739 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769 do_sys_openat2+0x128/0x3e0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ================================================================================ Unable to handle kernel paging request at virtual address ffff7000c2946ee0 Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001ae2f2000 [ffff7000c2946ee0] pgd=000000023ec49003, p4d=000000023ec49003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5143 Comm: syz.0.116 Tainted: G W 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queued_spin_lock_slowpath+0x354/0x938 kernel/locking/qspinlock.c:471 lr : decode_tail kernel/locking/qspinlock.c:130 [inline] lr : queued_spin_lock_slowpath+0x854/0x938 kernel/locking/qspinlock.c:468 sp : ffff8000228b70a0 x29: ffff8000228b7140 x28: 1ffff00004516e20 x27: 0000000000000000 x26: dfff800000000000 x25: ffff700004516e18 x24: 0000000000080000 x23: ffff800614a37700 x22: ffff0001b41c0708 x21: ffff0001b41c0700 x20: ffff800014a37700 x19: ffff0000e8735830 x18: 0000000000000003 x17: 0000000000000000 x16: ffff800008336558 x15: 00000000ffffffff x14: ffff0000d4db8000 x13: 0000000000000001 x12: ffff700002e24564 x11: 0000000000000002 x10: ffff800014a37700 x9 : 0000000000000000 x8 : 1ffff000c2946ee0 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000228b6798 x4 : ffff800014bb0660 x3 : ffff80000819c3ec x2 : 0000000000000001 x1 : 0000000000000002 x0 : 00000000ffffffff Call trace: queued_spin_lock_slowpath+0x354/0x938 kernel/locking/qspinlock.c:471 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154 __mutex_lock_common+0x380/0x2154 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_lookup+0x130/0x3c4 fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3440 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0xd9c/0x26cc fs/namei.c:3739 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769 do_sys_openat2+0x128/0x3e0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 941744cd f94002e8 8b140117 d343fee8 (387a6908) ---[ end trace 2324411fd66781ea ]--- ---------------- Code disassembly (best guess): 0: 941744cd bl 0x5d1334 4: f94002e8 ldr x8, [x23] 8: 8b140117 add x23, x8, x20 c: d343fee8 lsr x8, x23, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction