gfs2: fsid=syz:syz.0:  H: s:?? f:na e:-32768 p:0 [(none)] 0x0
Unable to handle kernel paging request at virtual address dfff800000015ad7
KASAN: probably user-memory-access in range [0x00000000000ad6b8-0x00000000000ad6bf]
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
[dfff800000015ad7] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 7007 Comm: syz.2.586 Not tainted 6.1.138-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pid_is_meaningful fs/gfs2/glock.c:1466 [inline]
pc : dump_holder fs/gfs2/glock.c:2326 [inline]
pc : gfs2_dump_glock+0xa44/0x14a0 fs/gfs2/glock.c:2440
lr : rcu_read_lock include/linux/rcupdate.h:792 [inline]
lr : dump_holder fs/gfs2/glock.c:2325 [inline]
lr : gfs2_dump_glock+0x9d4/0x14a0 fs/gfs2/glock.c:2440
sp : ffff800021a17520
x29: ffff800021a17800 x28: ffff800011ea74c0 x27: 0000000000000000
x26: ffff800011ea74a0 x25: dfff800000000000 x24: 00000000000ad6ba
x23: 00000000000ad69a x22: 0000000000015ad7 x21: ffff800021a17600
x20: 0000000000000001 x19: ffff0000ce11aac0 x18: ffff800011a7bd00
x17: 0000000000000000 x16: ffff8000082d1408 x15: 0000000000000000
x14: 00000000ffffffff x13: 1ffff00002a0e0b1 x12: 0000000000ff0100
x11: ff0080000a183c64 x10: 0000000000000000 x9 : ffff80000a183c64
x8 : ffff0000cfbd0000 x7 : ffff80000a190160 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff800011f691e0 x0 : 0000000000000001
Call trace:
 pid_is_meaningful fs/gfs2/glock.c:1466 [inline]
 dump_holder fs/gfs2/glock.c:2326 [inline]
 gfs2_dump_glock+0xa44/0x14a0 fs/gfs2/glock.c:2440
 gfs2_consist_inode_i+0xe8/0x10c fs/gfs2/util.c:467
 gfs2_dirent_scan+0x458/0x584 fs/gfs2/dir.c:602
 gfs2_dir_read+0x61c/0x1378 fs/gfs2/dir.c:1599
 gfs2_readdir+0x160/0x1c0 fs/gfs2/file.c:115
 iterate_dir+0x1f0/0x4cc fs/readdir.c:-1
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x11c/0x318 fs/readdir.c:354
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 39295a88 978565e5 910082f8 d343ff16 (38f96ac8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	39295a88 	strb	w8, [x20, #2646]
   4:	978565e5 	bl	0xfffffffffe159798
   8:	910082f8 	add	x24, x23, #0x20
   c:	d343ff16 	lsr	x22, x24, #3
* 10:	38f96ac8 	ldrsb	w8, [x22, x25] <-- trapping instruction