R13: 00007feb8ba35f63 R14: 000055555d2194e8 R15: 00007fff1b02c440 ---[ end trace 0000000000000000 ]--- ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455 Write of size 4 at addr 0000000000000170 by task syz-executor/289 CPU: 1 PID: 289 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_report+0x3d/0x60 mm/kasan/report.c:423 kasan_report+0x122/0x150 mm/kasan/report.c:524 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 ihold+0x