BUG: scheduling while atomic: syz-executor.1/26384/0x00000002 Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] clear_highpage include/linux/highmem.h:180 [inline] [] kernel_init_free_pages+0x47/0xf0 mm/page_alloc.c:1407 CPU: 1 PID: 26384 Comm: syz-executor.1 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707 schedule_debug kernel/sched/core.c:5734 [inline] __schedule+0xd19/0x1590 kernel/sched/core.c:6402 schedule+0x11f/0x1e0 kernel/sched/core.c:6595 schedule_timeout+0xa9/0x370 kernel/time/timer.c:1866 sock_wait_for_wmem net/core/sock.c:2484 [inline] sock_alloc_send_pskb+0x70e/0xa50 net/core/sock.c:2523 unix_stream_sendpage+0x77c/0x11a0 net/unix/af_unix.c:2162 kernel_sendpage+0x251/0x2d0 net/socket.c:3534 sock_sendpage+0x85/0xb0 net/socket.c:1025 pipe_to_sendpage+0x257/0x340 fs/splice.c:364 splice_from_pipe_feed fs/splice.c:418 [inline] __splice_from_pipe+0x339/0x860 fs/splice.c:562 splice_from_pipe fs/splice.c:597 [inline] generic_splice_sendpage+0x195/0x220 fs/splice.c:746 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xff/0x130 fs/splice.c:936 splice_direct_to_actor+0x4f1/0xbe0 fs/splice.c:891 do_splice_direct+0x27f/0x3c0 fs/splice.c:979 do_sendfile+0x616/0xfe0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1303 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f2505125e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2503e780c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f2505254050 RCX: 00007f2505125e69 RDX: 0000000000000000 RSI: 000000000000000e RDI: 000000000000000d RBP: 00007f250517247a R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0cd R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2505254050 R15: 00007ffd0e250b08