================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: null-ptr-deref in atomic_inc include/linux/atomic/atomic-instrumented.h:190 [inline] BUG: KASAN: null-ptr-deref in io_req_track_inflight fs/io_uring.c:1972 [inline] BUG: KASAN: null-ptr-deref in io_file_get_normal fs/io_uring.c:8678 [inline] BUG: KASAN: null-ptr-deref in io_tee fs/io_uring.c:5196 [inline] BUG: KASAN: null-ptr-deref in io_issue_sqe+0xa504/0x13680 fs/io_uring.c:8491 Write of size 4 at addr 0000000000000118 by task iou-wrk-3617/3618 CPU: 0 PID: 3618 Comm: iou-wrk-3617 Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_report+0xdd/0x210 mm/kasan/report.c:432 kasan_report+0xfb/0x130 mm/kasan/report.c:491 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:190 [inline] io_req_track_inflight fs/io_uring.c:1972 [inline] io_file_get_normal fs/io_uring.c:8678 [inline] io_tee fs/io_uring.c:5196 [inline] io_issue_sqe+0xa504/0x13680 fs/io_uring.c:8491 io_wq_submit_work+0x4be/0x990 fs/io_uring.c:8597 io_worker_handle_work+0x8e1/0xee0 fs/io-wq.c:597 io_wqe_worker+0x39c/0xe90 fs/io-wq.c:644 ret_from_fork+0x1f/0x30 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3618 Comm: iou-wrk-3617 Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 panic+0x312/0x76e kernel/panic.c:274 end_report+0x91/0xa0 mm/kasan/report.c:168 kasan_report+0x108/0x130 mm/kasan/report.c:493 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc include/linux/atomic/atomic-instrumented.h:190 [inline] io_req_track_inflight fs/io_uring.c:1972 [inline] io_file_get_normal fs/io_uring.c:8678 [inline] io_tee fs/io_uring.c:5196 [inline] io_issue_sqe+0xa504/0x13680 fs/io_uring.c:8491 io_wq_submit_work+0x4be/0x990 fs/io_uring.c:8597 io_worker_handle_work+0x8e1/0xee0 fs/io-wq.c:597 io_wqe_worker+0x39c/0xe90 fs/io-wq.c:644 ret_from_fork+0x1f/0x30 Kernel Offset: disabled Rebooting in 86400 seconds..