Hello, syzbot found the following issue on: HEAD commit: e3cb714fb489 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=10dd1dbd880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ec7118319bfb771e dashboard link: https://syzkaller.appspot.com/bug?extid=95214da0d40d4ec44f1c compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/832eb1866f2c/disk-e3cb714f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5fd572b7d96d/vmlinux-e3cb714f.xz kernel image: https://storage.googleapis.com/syzbot-assets/34c82908beda/Image-e3cb714f.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+95214da0d40d4ec44f1c@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use)) WARNING: CPU: 1 PID: 17591 at kernel/locking/lockdep.c:5025 __lock_acquire+0x2758/0x3084 Modules linked in: CPU: 1 PID: 17591 Comm: syz-executor.3 Not tainted 6.1.0-rc7-syzkaller-33097-ge3cb714fb489 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x2758/0x3084 lr : __lock_acquire+0x2754/0x3084 kernel/locking/lockdep.c:5025 sp : ffff80001697b610 x29: ffff80001697b6f0 x28: 0000000000000003 x27: ffff00011ec3cf38 x26: ffff00011ec3d920 x25: ffff00011ec3d940 x24: ffff00011ec3d940 x23: 00000000000000c0 x22: 0000000000000001 x21: 0000000000000000 x20: ffff00011ec3cec0 x19: 555555555554015a x18: fffffffffffffff8 x17: ffff80000dda8198 x16: 0000000000000001 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000012 x12: ffff80000d93b650 x11: ff808000081c4d64 x10: 0000000000000000 x9 : 3906fb84f6442900 x8 : 3906fb84f6442900 x7 : 4e5241575f534b43 x6 : ffff80000c091044 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000001 x0 : 0000000000000000 Call trace: __lock_acquire+0x2758/0x3084 lock_acquire+0x100/0x1f8 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/0x4a0 fs/hfsplus/catalog.c:395 hfsplus_fill_super+0x828/0x864 fs/hfsplus/super.c:576 mount_bdev+0x1b8/0x210 fs/super.c:1401 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:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 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:584 irq event stamp: 4491 hardirqs last enabled at (4491): [<ffff80000c0960d4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (4491): [<ffff80000c0960d4>] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (4490): [<ffff80000c095f10>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (4490): [<ffff80000c095f10>] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (4068): [<ffff8000080102e4>] _stext+0x2e4/0x37c softirqs last disabled at (4033): [<ffff800008017c88>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address ffff80000d2e2c80 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=00000001c54dc000 [ffff80000d2e2c80] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fffa003, pte=0000000000000000 Internal error: Oops: 0000000096000047 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 17591 Comm: syz-executor.3 Tainted: G W 6.1.0-rc7-syzkaller-33097-ge3cb714fb489 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queued_spin_lock_slowpath+0x198/0x394 kernel/locking/qspinlock.c:474 lr : queued_spin_lock_slowpath+0x114/0x394 kernel/locking/qspinlock.c:405 sp : ffff80001697b780 x29: ffff80001697b780 x28: ffff00011ec3cec0 x27: 000000000000000a x26: ffff00011f8bd400 x25: ffff00011b6c87b8 x24: ffff0001fefefc80 x23: 0000000000000000 x22: ffff80000d37d050 x21: ffff80000d2e2c80 x20: 0000000000000001 x19: ffff00011b6c8770 x18: fffffffffffffff8 x17: ffff80000dda8198 x16: 0000000000000001 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000001b6c x12: 0000000000000000 x11: ffff80000d2e2c80 x10: 0000000000080000 x9 : ffff0001fefefc88 x8 : ffff0001fefefc80 x7 : 4e5241575f534b43 x6 : ffff80000c091044 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : ffff80000ce8920b x0 : 0000000000000001 Call trace: decode_tail kernel/locking/qspinlock.c:131 [inline] queued_spin_lock_slowpath+0x198/0x394 kernel/locking/qspinlock.c:471 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x10c/0x110 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 spin_lock include/linux/spinlock.h:350 [inline] hfsplus_delete_cat+0x1fc/0x4a0 fs/hfsplus/catalog.c:395 hfsplus_fill_super+0x828/0x864 fs/hfsplus/super.c:576 mount_bdev+0x1b8/0x210 fs/super.c:1401 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:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 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:584 Code: 8b2c4ecc f85f818c 1200056b 8b2b52ab (f82b6988) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 8b2c4ecc add x12, x22, w12, uxtw #3 4: f85f818c ldur x12, [x12, #-8] 8: 1200056b and w11, w11, #0x3 c: 8b2b52ab add x11, x21, w11, uxtw #4 * 10: f82b6988 str x8, [x12, x11] <-- trapping instruction --- This report is generated by a bot. 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