do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584
==================================================================
BUG: KASAN: null-ptr-deref in xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
BUG: KASAN: null-ptr-deref in xlog_cil_commit+0x2f4/0x23f4 fs/xfs/xfs_log_cil.c:1264
Write of size 88 at addr 0000000000000000 by task syz-executor.3/11372

CPU: 1 PID: 11372 Comm: syz-executor.3 Not tainted 5.15.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:438 [inline]
 kasan_report+0x168/0x1e4 mm/kasan/report.c:451
 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
 memset+0x58/0x88 mm/kasan/shadow.c:44
 xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
 xlog_cil_commit+0x2f4/0x23f4 fs/xfs/xfs_log_cil.c:1264
 __xfs_trans_commit+0x834/0x1018 fs/xfs/xfs_trans.c:881
 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:925
 xfs_fileattr_set+0xe0c/0x15b8 fs/xfs/xfs_ioctl.c:1478
 vfs_fileattr_set+0x708/0xad0 fs/ioctl.c:700
 do_vfs_ioctl+0x1634/0x2a38
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584
==================================================================
Unable to handle kernel paging request at virtual address dfff800000000003
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
[dfff800000000003] address between user and kernel address ranges
Internal error: Oops: 96000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 11372 Comm: syz-executor.3 Tainted: G    B             5.15.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:227 [inline]
pc : xlog_cil_commit+0x304/0x23f4 fs/xfs/xfs_log_cil.c:1264
lr : xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
lr : xlog_cil_commit+0x2f4/0x23f4 fs/xfs/xfs_log_cil.c:1264
sp : ffff8000269f74e0
x29: ffff8000269f7600 x28: ffff0001061a6140 x27: 1ffff00004d3eeb8
x26: dfff800000000000 x25: 0000000000000000 x24: ffff0001061a6150
x23: 0000000000000150 x22: 1fffe00020c34c38 x21: ffff0001061a61c0
x20: 0000000000000002 x19: dfff800000000000 x18: 1fffe0003690238e
x17: 1fffe0003690238e x16: ffff800011979fe4 x15: ffff8000149cf960
x14: ffff0001b4811c80 x13: ffffffffffffffff x12: 0000000000040000
x11: 000000000003ffff x10: ffff80001fe8b000 x9 : 0000000000000000
x8 : 0000000000000003 x7 : 0000000000000000 x6 : ffff80000826bc28
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000819ea18
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000018
Call trace:
 xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:227 [inline]
 xlog_cil_commit+0x304/0x23f4 fs/xfs/xfs_log_cil.c:1264
 __xfs_trans_commit+0x834/0x1018 fs/xfs/xfs_trans.c:881
 xfs_trans_commit+0x24/0x34 fs/xfs/xfs_trans.c:925
 xfs_fileattr_set+0xe0c/0x15b8 fs/xfs/xfs_ioctl.c:1478
 vfs_fileattr_set+0x708/0xad0 fs/ioctl.c:700
 do_vfs_ioctl+0x1634/0x2a38
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584
Code: 91006320 d2d0001a d343fc08 f2fbfffa (38736908) 
---[ end trace 60d3f6a2ce4d24fd ]---
----------------
Code disassembly (best guess):
   0:	91006320 	add	x0, x25, #0x18
   4:	d2d0001a 	mov	x26, #0x800000000000        	// #140737488355328
   8:	d343fc08 	lsr	x8, x0, #3
   c:	f2fbfffa 	movk	x26, #0xdfff, lsl #48
* 10:	38736908 	ldrb	w8, [x8, x19] <-- trapping instruction