lbmIODone: I/O error in JFS log
*** Log Format Error ! ***
lmLogInit: exit(-22)
lmLogOpen: exit(-22)
jfs_dirty_inode called on read-only volume
Is remount racy?
Unable to handle kernel paging request at virtual address dfff800000000008
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
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
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6950 Comm: syz.0.16 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline]
pc : txBeginAnon+0xac/0x154 fs/jfs/jfs_txnmgr.c:465
lr : spin_lock include/linux/spinlock.h:351 [inline]
lr : txBeginAnon+0x78/0x154 fs/jfs/jfs_txnmgr.c:458
sp : ffff80009ba271c0
x29: ffff80009ba271c0 x28: ffff800095ec3a88 x27: ffff800095ec3000
x26: ffff800095ec3000 x25: 0000000000000008 x24: 0000000000000150
x23: dfff800000000000 x22: 0000000000000001 x21: 0000000000000000
x20: 0000000000000040 x19: ffff80008eeea1a0 x18: ffff80009ba26ea0
x17: 000000000001bf29 x16: ffff80008045cf84 x15: ffff700013744e20
x14: 1ffff00013744e20 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700013744e20 x10: 1ffff00013744e20 x9 : e26f491795798b00
x8 : e26f491795798b00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800091e815b8 x4 : 0000000000000008 x3 : ffff80008045d0ac
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000001
Call trace:
 txBeginAnon+0xac/0x154 (P)
 extAlloc+0xe8/0xdec fs/jfs/jfs_extent.c:78
 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248
 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116
 block_write_begin+0xa0/0x11c fs/buffer.c:2226
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:299
 generic_perform_write+0x29c/0x868 mm/filemap.c:4055
 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4156
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4182
 do_iter_readv_writev+0x490/0x6d4
 vfs_writev+0x410/0xbc8 fs/read_write.c:1050
 do_pwritev fs/read_write.c:1146 [inline]
 __do_sys_pwritev2 fs/read_write.c:1204 [inline]
 __se_sys_pwritev2 fs/read_write.c:1195 [inline]
 __arm64_sys_pwritev2+0x1d8/0x2ec fs/read_write.c:1195
 __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: aa1803e0 97ffff65 aa1303e0 958a23c8 (38776b28) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1803e0 	mov	x0, x24
   4:	97ffff65 	bl	0xfffffffffffffd98
   8:	aa1303e0 	mov	x0, x19
   c:	958a23c8 	bl	0x6288f2c
* 10:	38776b28 	ldrb	w8, [x25, x23] <-- trapping instruction