Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4918 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : f_getowner_uids fs/fcntl.c:-1 [inline]
pc : do_fcntl+0xcb4/0x19fc fs/fcntl.c:396
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : f_getowner_uids fs/fcntl.c:252 [inline]
lr : do_fcntl+0xc98/0x19fc fs/fcntl.c:396
sp : ffff80001f1a7be0
x29: ffff80001f1a7ce0 x28: 0000000000000000 x27: 1fffe00018420004
x26: dfff800000000000 x25: ffff700003e34f80 x24: 00000000fffffff2
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000c2100000
x20: ffff0000c2100024 x19: 0000000000000000 x18: 0000000000000000
x17: ffff800016e24000 x16: ffff8000089254f0 x15: ffff800016904500
x14: 0000000000000003 x13: 1ffff0000285202b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff8000087586bc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 f_getowner_uids fs/fcntl.c:252 [inline]
 do_fcntl+0xcb4/0x19fc fs/fcntl.c:396
 __do_sys_fcntl fs/fcntl.c:466 [inline]
 __se_sys_fcntl fs/fcntl.c:451 [inline]
 __arm64_sys_fcntl+0x110/0x1e8 fs/fcntl.c:451
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: ea29011f 9a9f026a d503229f b8000957 (14000003) 
---[ end trace ad3591c42dfa0c95 ]---
----------------
Code disassembly (best guess):
   0:	ea29011f 	bics	xzr, x8, x9
   4:	9a9f026a 	csel	x10, x19, xzr, eq	// eq = none
   8:	d503229f 	csdb
   c:	b8000957 	sttr	w23, [x10]
* 10:	14000003 	b	0x1c <-- trapping instruction