loop2: detected capacity change from 0 to 1024 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 14420 at kernel/locking/lockdep.c:231 check_wait_context kernel/locking/lockdep.c:4729 [inline] WARNING: CPU: 1 PID: 14420 at kernel/locking/lockdep.c:231 __lock_acquire+0x2c0/0x2f48 kernel/locking/lockdep.c:5005 Modules linked in: CPU: 1 PID: 14420 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4729 [inline] pc : __lock_acquire+0x2c0/0x2f48 kernel/locking/lockdep.c:5005 lr : hlock_class kernel/locking/lockdep.c:231 [inline] lr : check_wait_context kernel/locking/lockdep.c:4729 [inline] lr : __lock_acquire+0x2a8/0x2f48 kernel/locking/lockdep.c:5005 sp : ffff8000218135e0 x29: ffff8000218136c0 x28: ffff0001198b8a68 x27: ffff80000d2c49a4 x26: ffff0001198b8a48 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000001 x22: 0000000000000000 x21: ffff0001198b89d0 x20: 0000000000000003 x19: aaaaaaaaaaa9556a x18: 000000000000ac59 x17: ffff80000dd94158 x16: 0000000000000001 x15: ffff80000dbd2118 x14: ffff0001198b8000 x13: 0000000000000012 x12: 0000000000040000 x11: ffff80000dd94158 x10: ffff80001c6af000 x9 : 4dc52175b3265c00 x8 : 0000000000000000 x7 : 4e5241575f534b43 x6 : ffff80000bf650d4 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: check_wait_context kernel/locking/lockdep.c:4729 [inline] __lock_acquire+0x2c0/0x2f48 kernel/locking/lockdep.c:5005 lock_acquire+0x164/0x334 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] hfsplus_delete_cat+0x1fc/0x49c fs/hfsplus/catalog.c:395 hfsplus_fill_super+0x838/0x874 fs/hfsplus/super.c:576 mount_bdev+0x1b8/0x210 fs/super.c:1359 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1489 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3145 path_mount+0x348/0x86c fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3674 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 4123 hardirqs last enabled at (4123): [<ffff800008516fe8>] put_cpu_partial+0x130/0x178 mm/slub.c:2710 hardirqs last disabled at (4122): [<ffff800008516ef0>] put_cpu_partial+0x38/0x178 mm/slub.c:2685 softirqs last enabled at (4098): [<ffff80000801054c>] _stext+0x54c/0x5e4 softirqs last disabled at (3913): [<ffff8000080179e0>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000109abc000 [00000000000000b8] pgd=080000015e0b3003, p4d=080000015e0b3003, pud=08000001596f5003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 14420 Comm: syz-executor.2 Tainted: G W 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4729 [inline] pc : __lock_acquire+0x2e0/0x2f48 kernel/locking/lockdep.c:5005 lr : hlock_class kernel/locking/lockdep.c:231 [inline] lr : check_wait_context kernel/locking/lockdep.c:4729 [inline] lr : __lock_acquire+0x2a8/0x2f48 kernel/locking/lockdep.c:5005 sp : ffff8000218135e0 x29: ffff8000218136c0 x28: ffff0001198b8a68 x27: ffff80000d2c49a4 x26: ffff0001198b8a48 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000001 x22: 0000000000000000 x21: ffff0001198b89d0 x20: 0000000000000003 x19: aaaaaaaaaaa9556a x18: 000000000000ac59 x17: ffff80000dd94158 x16: 0000000000000001 x15: ffff80000dbd2118 x14: ffff0001198b8000 x13: 0000000000000012 x12: 0000000000040000 x11: ffff80000dd94158 x10: ffff80001c6af000 x9 : 000000000004156a x8 : 0000000000000000 x7 : 4e5241575f534b43 x6 : ffff80000bf650d4 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: hlock_class kernel/locking/lockdep.c:222 [inline] check_wait_context kernel/locking/lockdep.c:4730 [inline] __lock_acquire+0x2e0/0x2f48 kernel/locking/lockdep.c:5005 lock_acquire+0x164/0x334 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] hfsplus_delete_cat+0x1fc/0x49c fs/hfsplus/catalog.c:395 hfsplus_fill_super+0x838/0x874 fs/hfsplus/super.c:576 mount_bdev+0x1b8/0x210 fs/super.c:1359 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1489 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3145 path_mount+0x348/0x86c fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3674 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: 910461ef 9002dfeb 9105616b b9400389 (3942e118) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 910461ef add x15, x15, #0x118 4: 9002dfeb adrp x11, 0x5bfc000 8: 9105616b add x11, x11, #0x158 c: b9400389 ldr w9, [x28] * 10: 3942e118 ldrb w24, [x8, #184] <-- trapping instruction