Unable to handle kernel paging request at virtual address dfff80000000003d KASAN: null-ptr-deref in range [0x00000000000001e8-0x00000000000001ef] 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, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff80000000003d] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 94 Comm: jfsCommit Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005 lr : lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 sp : ffff800094e57840 x29: ffff800094e57b00 x28: ffff800081a9eb54 x27: ffff7000129caf78 x26: 1ffff00011c9c088 x25: 0000000000000001 x24: 0000000000000000 x23: ffff7000129caf30 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 00000000000001e8 x18: 1fffe000368265ce x17: ffff80008e4dd000 x16: ffff80008a825784 x15: 0000000000000002 x14: 1ffff000129caf88 x13: ffff800094e57980 x12: dfff800000000000 x11: ffff80008031e774 x10: ffff80008e4e0444 x9 : 00000000000000f3 x8 : 000000000000003d x7 : ffff800081a9eb54 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00000000000001e8 Call trace: __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x58/0x70 kernel/locking/spinlock.c:170 spin_lock_irq include/linux/spinlock.h:376 [inline] txLazyCommit fs/jfs/jfs_txnmgr.c:2668 [inline] jfs_lazycommit+0x3f8/0x988 fs/jfs/jfs_txnmgr.c:2732 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857 Code: b0071328 b942a108 34000208 d343fe68 (386c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: b0071328 adrp x8, 0xe265000 4: b942a108 ldr w8, [x8, #672] 8: 34000208 cbz w8, 0x48 c: d343fe68 lsr x8, x19, #3 * 10: 386c6908 ldrb w8, [x8, x12] <-- trapping instruction