Unable to handle kernel NULL pointer dereference at virtual address 0000000000000009
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
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010ec84000
[0000000000000009] pgd=0800000114a12403, p4d=0800000114a12403, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6709 Comm: syz.2.23 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : const_folio_flags include/linux/page-flags.h:310 [inline]
pc : folio_test_active include/linux/page-flags.h:519 [inline]
pc : slab_test_pfmemalloc mm/slab.h:176 [inline]
pc : pfmemalloc_match mm/slub.c:3558 [inline]
pc : ___slab_alloc+0x27c/0xf4c mm/slub.c:3699
lr : __slab_alloc+0x74/0xd0 mm/slub.c:3916
sp : ffff8000a4927330
x29: ffff8000a4927390 x28: 0000000000000000 x27: 0000000000000d40
x26: 0000000000000001 x25: 00000000ffffffff x24: 00007dfe9ba5c140
x23: 0000000000000001 x22: ffff8000828f1d08 x21: ffff8000977f7688
x20: fffffdffbf704140 x19: ffff0000d7bc4dc0 x18: ffff8000a4927100
x17: 0000000000020e58 x16: ffff8000832b5180 x15: 0000000000000001
x14: 1ffff000126db5b4 x13: dfff800000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000000003 x9 : ffff80008fbc1170
x8 : d9857198dde56c00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 00000000000000cc x4 : fffffdffbf704140 x3 : ffff8000828f1d08
x2 : 00000000ffffffff x1 : 0000000000000d40 x0 : ffff0000d7bc4dc0
Call trace:
 ___slab_alloc+0x27c/0xf4c (P)
 __slab_alloc+0x74/0xd0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 kmem_cache_alloc_noprof+0x300/0x410 mm/slub.c:4171
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2855 [inline]
 xattr_alloc fs/f2fs/xattr.c:30 [inline]
 lookup_all_xattrs fs/f2fs/xattr.c:333 [inline]
 f2fs_getxattr+0x400/0xcbc fs/f2fs/xattr.c:533
 f2fs_xattr_generic_get+0x130/0x174 fs/f2fs/xattr.c:63
 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:423
 cap_inode_need_killpriv+0x50/0x78 security/commoncap.c:330
 security_inode_need_killpriv+0x90/0x298 security/security.c:2638
 dentry_needs_remove_privs fs/inode.c:2220 [inline]
 file_remove_privs_flags+0x1d8/0x4d0 fs/inode.c:2251
 file_modified_flags+0x5c/0x444 fs/inode.c:2411
 file_modified+0x24/0x34 fs/inode.c:2440
 f2fs_write_checks fs/f2fs/file.c:4765 [inline]
 f2fs_file_write_iter+0x328/0x1db8 fs/f2fs/file.c:5057
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x704/0xa9c fs/read_write.c:679
 ksys_pwrite64 fs/read_write.c:786 [inline]
 __do_sys_pwrite64 fs/read_write.c:794 [inline]
 __se_sys_pwrite64 fs/read_write.c:791 [inline]
 __arm64_sys_pwrite64+0x188/0x220 fs/read_write.c:791
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: aa1703e1 94a62da8 17ffffe3 12800019 (394022e8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1703e1 	mov	x1, x23
   4:	94a62da8 	bl	0x298b6a4
   8:	17ffffe3 	b	0xffffffffffffff94
   c:	12800019 	mov	w25, #0xffffffff            	// #-1
* 10:	394022e8 	ldrb	w8, [x23, #8] <-- trapping instruction