loop0: detected capacity change from 0 to 32768
find_entry called with index = 0
read_mapping_page failed!
ERROR: (device loop0): txAbort:
Unable to handle kernel paging request at virtual address dfff800000000008
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
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 96000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4068 Comm: syz-executor375 Not tainted 5.15.103-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 : arch_test_bit include/asm-generic/bitops/non-atomic.h:118 [inline]
pc : txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:366
lr : txBegin+0x104/0x5e0 fs/jfs/jfs_txnmgr.c:357
sp : ffff80001ce47840
x29: ffff80001ce47860 x28: dfff800000000000 x27: ffff80001ce47920
x26: 1ffff000029e19cc x25: 0000000000000040 x24: 0000000000000000
x23: ffff800014f18020 x22: ffff0000c1c2a630 x21: 0000000000000150
x20: 0000000000000008 x19: 0000000000000000 x18: 0000000000000000
x17: ff8080000a6111e0 x16: ffff800008307744 x15: ffff80000a6111e0
x14: 1ffff0000293806a x13: ffffffffffffffff x12: 0000000000000000
x11: ff808000098e5910 x10: 0000000000000000 x9 : ffff0000c82f3580
x8 : 1ffff000029e19cc x7 : ffff8000098e58e4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008307874
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:362
jfs_link+0x1ac/0x560 fs/jfs/namei.c:802
vfs_link+0x598/0x74c fs/namei.c:4486
do_linkat+0x2f4/0x898 fs/namei.c:4557
__do_sys_linkat fs/namei.c:4585 [inline]
__se_sys_linkat fs/namei.c:4582 [inline]
__arm64_sys_linkat+0xe4/0x100 fs/namei.c:4582
__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 arch/arm64/kernel/entry.S:584
Code: 9400012e aa1703e0 95990181 350002f8 (387c6a88)
---[ end trace ae92164d26e2cc05 ]---
----------------
Code disassembly (best guess):
0: 9400012e bl 0x4b8
4: aa1703e0 mov x0, x23
8: 95990181 bl 0x664060c
c: 350002f8 cbnz w24, 0x68
* 10: 387c6a88 ldrb w8, [x20, x28] <-- trapping instruction