Unable to handle kernel paging request at virtual address dfff80000000003d KASAN: null-ptr-deref in range [0x00000000000001e8-0x00000000000001ef] 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 [dfff80000000003d] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 91 Comm: jfsCommit Not tainted 6.1.105-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x104/0x7680 kernel/locking/lockdep.c:4919 lr : lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 sp : ffff80001db57880 x29: ffff80001db57b20 x28: 1ffff00002b3a0af x27: ffff8000099e04a8 x26: 0000000000000001 x25: ffff700003b6af34 x24: 0000000000000000 x23: 0000000000000080 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 00000000000001e8 x18: ffff80001db57960 x17: ffff800018aa7000 x16: ffff80001228fa8c x15: ffff80001858cf80 x14: 1ffff00002b3a0b0 x13: ffff80001db579a0 x12: dfff800000000000 x11: ffff8000083090e0 x10: ffff8000159d057c x9 : 00000000000000f3 x8 : 000000000000003d x7 : ffff8000099e04a8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00000000000001e8 Call trace: __lock_acquire+0x104/0x7680 kernel/locking/lockdep.c:4919 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x70/0x9c 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+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Code: f006bb48 b94b6108 34000208 d343fe68 (386c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f006bb48 adrp x8, 0xd76b000 4: b94b6108 ldr w8, [x8, #2912] 8: 34000208 cbz w8, 0x48 c: d343fe68 lsr x8, x19, #3 * 10: 386c6908 ldrb w8, [x8, x12] <-- trapping instruction