------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 23948 at kernel/locking/lockdep.c:201 check_wait_context kernel/locking/lockdep.c:4686 [inline] WARNING: CPU: 1 PID: 23948 at kernel/locking/lockdep.c:201 __lock_acquire+0x774/0x7638 kernel/locking/lockdep.c:4962 Modules linked in: CPU: 1 PID: 23948 Comm: syz.0.8889 Not tainted 5.15.176-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4686 [inline] pc : __lock_acquire+0x774/0x7638 kernel/locking/lockdep.c:4962 lr : hlock_class kernel/locking/lockdep.c:201 [inline] lr : check_wait_context kernel/locking/lockdep.c:4686 [inline] lr : __lock_acquire+0x768/0x7638 kernel/locking/lockdep.c:4962 sp : ffff800021907000 x29: ffff8000219072a0 x28: ffff0000d25e89d8 x27: ffff0000d25e8a50 x26: ffff0000d25e8000 x25: 0000000000000002 x24: 1fffe0001a4bd14a x23: ffff0000d25e8a30 x22: 00000000000010a4 x21: 0000000000000000 x20: ffff8000174d0050 x19: 0000001000000000 x18: 0000000000000002 x17: 0000000000000002 x16: ffff800011b4c240 x15: 00000000ffffffff x14: ffff0000d25e8000 x13: 000000000000d8a8 x12: dfff800000000000 x11: 0000000000003a84 x10: ffff800020469000 x9 : 66c226d105b9dc00 x8 : 0000000000000000 x7 : 000000000000d8a8 x6 : 000000000000d858 x5 : ffff800021906778 x4 : ffff800014c297d0 x3 : ffff8000085567f8 x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: check_wait_context kernel/locking/lockdep.c:4686 [inline] __lock_acquire+0x774/0x7638 kernel/locking/lockdep.c:4962 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] ocfs2_is_hard_readonly fs/ocfs2/ocfs2.h:624 [inline] ocfs2_inode_lock_full_nested+0x12c/0x1930 fs/ocfs2/dlmglue.c:2443 ocfs2_inode_lock_tracker+0x1ec/0x63c fs/ocfs2/dlmglue.c:2690 ocfs2_permission+0xc0/0x1c4 fs/ocfs2/file.c:1352 do_inode_permission fs/namei.c:459 [inline] inode_permission+0x1d0/0x3b4 fs/namei.c:526 xattr_permission+0x100/0x468 fs/xattr.c:138 __vfs_removexattr_locked+0x6c/0x380 fs/xattr.c:493 vfs_removexattr+0xe0/0x23c fs/xattr.c:527 removexattr fs/xattr.c:857 [inline] path_removexattr+0x1ec/0x2ec fs/xattr.c:871 __do_sys_removexattr fs/xattr.c:885 [inline] __se_sys_removexattr fs/xattr.c:882 [inline] __arm64_sys_removexattr+0x60/0x78 fs/xattr.c:882 __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: 5073 hardirqs last enabled at (5073): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (5072): [] kasan_quarantine_put+0x9c/0x204 mm/kasan/quarantine.c:204 softirqs last enabled at (5046): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (5044): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 15c7d3464d9730a8 ]--- Unable to handle kernel paging request at virtual address dfff800000000017 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 [dfff800000000017] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 23948 Comm: syz.0.8889 Tainted: G W 5.15.176-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4686 [inline] pc : __lock_acquire+0x550/0x7638 kernel/locking/lockdep.c:4962 lr : hlock_class kernel/locking/lockdep.c:201 [inline] lr : check_wait_context kernel/locking/lockdep.c:4686 [inline] lr : __lock_acquire+0x768/0x7638 kernel/locking/lockdep.c:4962 sp : ffff800021907000 x29: ffff8000219072a0 x28: ffff0000d25e89d8 x27: ffff0000d25e8a50 x26: ffff0000d25e8000 x25: 0000000000000002 x24: 1fffe0001a4bd14a x23: ffff0000d25e8a30 x22: 00000000000010a4 x21: 0000000000000000 x20: ffff8000174d0050 x19: 00000000000000b8 x18: 0000000000000002 x17: 0000000000000002 x16: ffff800011b4c240 x15: 00000000ffffffff x14: ffff0000d25e8000 x13: 000000000000d8a8 x12: dfff800000000000 x11: 0000000000003a84 x10: ffff800020469000 x9 : 66c226d105b9dc00 x8 : 0000000000000017 x7 : 000000000000d8a8 x6 : 000000000000d858 x5 : ffff800021906778 x4 : ffff800014c297d0 x3 : ffff8000085567f8 x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: check_wait_context kernel/locking/lockdep.c:4686 [inline] __lock_acquire+0x550/0x7638 kernel/locking/lockdep.c:4962 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] ocfs2_is_hard_readonly fs/ocfs2/ocfs2.h:624 [inline] ocfs2_inode_lock_full_nested+0x12c/0x1930 fs/ocfs2/dlmglue.c:2443 ocfs2_inode_lock_tracker+0x1ec/0x63c fs/ocfs2/dlmglue.c:2690 ocfs2_permission+0xc0/0x1c4 fs/ocfs2/file.c:1352 do_inode_permission fs/namei.c:459 [inline] inode_permission+0x1d0/0x3b4 fs/namei.c:526 xattr_permission+0x100/0x468 fs/xattr.c:138 __vfs_removexattr_locked+0x6c/0x380 fs/xattr.c:493 vfs_removexattr+0xe0/0x23c fs/xattr.c:527 removexattr fs/xattr.c:857 [inline] path_removexattr+0x1ec/0x2ec fs/xattr.c:871 __do_sys_removexattr fs/xattr.c:885 [inline] __se_sys_removexattr fs/xattr.c:882 [inline] __arm64_sys_removexattr+0x60/0x78 fs/xattr.c:882 __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: 34000ee8 aa1f03e8 9102e113 d343fe68 (38ec6908) ---[ end trace 15c7d3464d9730a9 ]--- ---------------- Code disassembly (best guess): 0: 34000ee8 cbz w8, 0x1dc 4: aa1f03e8 mov x8, xzr 8: 9102e113 add x19, x8, #0xb8 c: d343fe68 lsr x8, x19, #3 * 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction