EXT4-fs (loop4): revision level too high, forcing read-only mode
EXT4-fs (loop4): failed to initialize system zone (-117)
EXT4-fs (loop4): mount failed
./file1: Can't lookup blockdev
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=0000000111053000
[0000000000000000] pgd=08000001079ea003, p4d=08000001079ea003, pud=0800000119739003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 8062 Comm: syz.4.270 Not tainted 6.12.0-rc3-syzkaller-g77a9c08f0659 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : filemap_read_folio+0x108/0x318 mm/filemap.c:2367
sp : ffff80009e8776c0
x29: ffff80009e877730 x28: 1fffffbff878abe0 x27: 1fffffbff878abe1
x26: 1ffff00013d0eed8 x25: dfff800000000000 x24: 0000000000000000
x23: ffff80009e8776e0 x22: 0000000000000000 x21: fffffdffc3c55f08
x20: 0000000000000000 x19: fffffdffc3c55f00 x18: ffff0000d39ba240
x17: 0000000000037dee x16: ffff8000830be328 x15: ffff700012e6ca00
x14: 1ffff00012e6ca00 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000040000 x10: 0000000000007f2a x9 : ffff80009ef99000
x8 : 0000000000007f2b x7 : ffff8000808971b8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080892b04
x2 : fffffdffc3c55f00 x1 : fffffdffc3c55f00 x0 : 0000000000000000
Call trace:
 0x0
 do_read_cache_folio+0x368/0x5c0 mm/filemap.c:3825
 read_cache_folio+0x68/0x84 mm/filemap.c:3857
 read_mapping_folio include/linux/pagemap.h:1011 [inline]
 erofs_bread+0x300/0x678 fs/erofs/data.c:41
 erofs_read_metabuf+0xfc/0x114 fs/erofs/data.c:76
 erofs_read_superblock fs/erofs/super.c:277 [inline]
 erofs_fc_fill_super+0x2e4/0x13c0 fs/erofs/super.c:621
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb4/0x144 fs/super.c:1299
 erofs_fc_get_tree+0x118/0x134 fs/erofs/super.c:717
 vfs_get_tree+0x90/0x28c fs/super.c:1800
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount fs/namespace.c:4032 [inline]
 __arm64_sys_mount+0x45c/0x5a8 fs/namespace.c:4032
 __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:732
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:750
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: ???????? ???????? ???????? ???????? (????????) 
---[ end trace 0000000000000000 ]---