================================================================== 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:1978 [inline] BUG: KASAN: null-ptr-deref in io_file_get_normal+0x351/0x3b0 fs/io_uring.c:8595 Write of size 4 at addr 0000000000000118 by task iou-wrk-12550/12566 CPU: 1 PID: 12566 Comm: iou-wrk-12550 Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #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+0xcd/0x134 lib/dump_stack.c:106 print_report mm/kasan/report.c:432 [inline] kasan_report.cold+0x61/0x1c6 mm/kasan/report.c:491 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 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:1978 [inline] io_file_get_normal+0x351/0x3b0 fs/io_uring.c:8595 io_splice fs/io_uring.c:5184 [inline] io_issue_sqe+0x4626/0x91f0 fs/io_uring.c:8399 io_wq_submit_work+0x287/0x740 fs/io_uring.c:8514 io_worker_handle_work+0xb1c/0x1ab0 fs/io-wq.c:597 io_wqe_worker+0x637/0xdb0 fs/io-wq.c:644 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 12566 Comm: iou-wrk-12550 Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #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+0xcd/0x134 lib/dump_stack.c:106 panic+0x2d7/0x64a kernel/panic.c:274 end_report.part.0+0x3f/0x7c mm/kasan/report.c:168 end_report include/trace/events/error_report.h:69 [inline] kasan_report.cold+0x93/0x1c6 mm/kasan/report.c:493 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 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:1978 [inline] io_file_get_normal+0x351/0x3b0 fs/io_uring.c:8595 io_splice fs/io_uring.c:5184 [inline] io_issue_sqe+0x4626/0x91f0 fs/io_uring.c:8399 io_wq_submit_work+0x287/0x740 fs/io_uring.c:8514 io_worker_handle_work+0xb1c/0x1ab0 fs/io-wq.c:597 io_wqe_worker+0x637/0xdb0 fs/io-wq.c:644 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 Kernel Offset: disabled Rebooting in 86400 seconds..