loop5: detected capacity change from 0 to 12
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010105c000
[0000000000000000] pgd=080000013ffb7003, p4d=080000013ffb7003, pud=080000013ef99003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 15471 Comm: syz-executor.5 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : filemap_read_folio+0x68/0x33c mm/filemap.c:2394
sp : ffff800013623bb0
x29: ffff800013623bb0 x28: 00000000ffffffff x27: 0000000000080001
x26: ffff000101326a00 x25: 0000000000000000 x24: 0000000000000000
x23: fffffc00040c6700 x22: fffffc00040c6700 x21: 0000000000000000
x20: 0000000000000000 x19: fffffc00040c6700 x18: 00000000000000c0
x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000e4c74f80
x14: 0000000000000000 x13: 01ffffffffffffff x12: 0000000000040000
x11: 0000000000009068 x10: ffff800012a0d000 x9 : ffff8000083d0b00
x8 : 0000000000000100 x7 : ffff8000083ed3f0 x6 : 0000000000000000
x5 : ffff80000e22ba90 x4 : 0000000000000008 x3 : ffff80000db61248
x2 : fffffc00040c6700 x1 : fffffc00040c6700 x0 : 0000000000000000
Call trace:
 0x0
 do_read_cache_folio+0x1c8/0x588 mm/filemap.c:3519
 do_read_cache_page mm/filemap.c:3561 [inline]
 read_cache_page+0x40/0x178 mm/filemap.c:3570
 read_mapping_page include/linux/pagemap.h:756 [inline]
 dir_get_page fs/minix/dir.c:70 [inline]
 minix_empty_dir+0x80/0x568 fs/minix/dir.c:372
 minix_rmdir+0x3c/0x120 fs/minix/namei.c:177
 vfs_rmdir+0x1e4/0x264 fs/namei.c:4098
 do_rmdir+0x164/0x2a4 fs/namei.c:4159
 __do_sys_unlinkat fs/namei.c:4339 [inline]
 __se_sys_unlinkat fs/namei.c:4333 [inline]
 __arm64_sys_unlinkat+0x90/0xa8 fs/namei.c:4333
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: bad PC value
---[ end trace 0000000000000000 ]---