EXT4-fs (loop4): mounted filesystem without journal. Opts: lazytime,noblock_validity,inode_readahead_blks=0x0000000000001000,barrier=0x0000000000000000,journal_dev=0x0000000000000005,dioread_lock,data_err=ignore,noinit_itable,resgid=0x000000000000ee002,errors=continue. Quota mode: writeback.
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4271 Comm: syz.4.31 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : filldir64+0x37c/0x9e4 fs/readdir.c:335
lr : filldir64+0x358/0x9e4 fs/readdir.c:335
sp : ffff800020ac7890
x29: ffff800020ac7900 x28: 0000000020000f88 x27: 00000020000f8800
x26: ffff800020ac7cb8 x25: 0000000000000002 x24: 0000000000000000
x23: 0000000000000001 x22: ffff0000cb776008 x21: dfff800000000000
x20: 0000000000400140 x19: 00000000fffffff2 x18: 0000000000000000
x17: 0000000000000002 x16: ffff800008925a48 x15: 000000000000002e
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000020000f88 x9 : 0000ffffffffffff
x8 : 0000000020000f88 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 filldir64+0x37c/0x9e4 fs/readdir.c:335
 dir_emit include/linux/fs.h:3713 [inline]
 ext4_readdir+0x10f4/0x2fc8 fs/ext4/dir.c:275
 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/0x340 fs/readdir.c:354
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d503229f 2a1f03f3 2a1f03e0 f8000958 (2a1303e1) 
---[ end trace b34f5731ed1fe246 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f3 	mov	w19, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	f8000958 	sttr	x24, [x10]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction