BUG: sleeping function called from invalid context at net/core/sock.c:3545 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5316, name: syz.3.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. irq event stamp: 4498 hardirqs last enabled at (4497): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1500 [inline] hardirqs last enabled at (4497): [] finish_lock_switch kernel/sched/core.c:5065 [inline] hardirqs last enabled at (4497): [] finish_task_switch+0x1e5/0x870 kernel/sched/core.c:5183 hardirqs last disabled at (4498): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1037 softirqs last enabled at (4368): [] mptcp_close+0x34/0x1a0 net/mptcp/protocol.c:3135 softirqs last disabled at (4366): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (4366): [] release_sock+0x30/0x1f0 net/core/sock.c:3556 Preemption disabled at: [] __schedule_loop kernel/sched/core.c:6753 [inline] [] schedule+0x144/0x320 kernel/sched/core.c:6769 CPU: 0 UID: 0 PID: 5316 Comm: syz.3.4 Not tainted 6.11.0-rc4-next-20240821-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8629 lock_sock_nested+0x5d/0x100 net/core/sock.c:3545 lock_sock include/net/sock.h:1607 [inline] raw_release+0x1c2/0x8b0 net/can/raw.c:416 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x24b/0x890 fs/file_table.c:424 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe1a2979e79 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc61af8ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fe1a2b17a80 RCX: 00007fe1a2979e79 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fe1a2b17a80 R08: 00007fe1a2b02000 R09: 00007ffc61af91bf R10: 00000000005f2d6c R11: 0000000000000246 R12: 0000000000011057 R13: 00007ffc61af8fd0 R14: 00007ffc61af8ff0 R15: ffffffffffffffff