tcp_clear_md5_list, ffff8881153f1f00 tcp_v4_destroy_sock, ffff8881157fe600, ffff8881157fe600 BUG: scheduling while atomic: swapper/0/0/0x00000103 Modules linked in: Preemption disabled at: [] schedule_preempt_disabled+0x1d/0x20 kernel/sched/core.c:6758 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-syzkaller-13115-gee3f96b16468-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x72/0xa0 lib/dump_stack.c:106 __schedule_bug+0x90/0xa0 kernel/sched/core.c:5854 schedule_debug kernel/sched/core.c:5881 [inline] __schedule+0xfc1/0x1310 kernel/sched/core.c:6516 schedule+0x59/0xa0 kernel/sched/core.c:6698 synchronize_rcu_expedited+0x295/0x3b0 kernel/rcu/tree_exp.h:1004 tcp_v4_destroy_sock+0x172/0x340 net/ipv4/tcp_ipv4.c:2322 inet_csk_destroy_sock+0x91/0x1d0 net/ipv4/inet_connection_sock.c:1195 tcp_done+0x134/0x1d0 net/ipv4/tcp.c:4656 tcp_write_err net/ipv4/tcp_timer.c:74 [inline] tcp_write_timeout net/ipv4/tcp_timer.c:277 [inline] tcp_retransmit_timer+0x41c/0xea0 net/ipv4/tcp_timer.c:510 tcp_write_timer_handler net/ipv4/tcp_timer.c:620 [inline] tcp_write_timer_handler+0x229/0x3f0 net/ipv4/tcp_timer.c:594 tcp_write_timer+0x150/0x1b0 net/ipv4/tcp_timer.c:637 call_timer_fn+0x34/0x200 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers.part.0+0x32a/0x440 kernel/time/timer.c:2022 __run_timers kernel/time/timer.c:2000 [inline] run_timer_softirq+0x48/0xa0 kernel/time/timer.c:2035 __do_softirq+0xf5/0x302 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu kernel/softirq.c:650 [inline] irq_exit_rcu+0xb0/0x110 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0xa2/0xd0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113 Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 40 d3 02 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 3f a3 4a 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffffff85c03e10 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: 00000029d522e362 RDX: ffff88813bc00000 RSI: ffff88814115b000 RDI: ffff88814115b064 RBP: ffff88810492dc00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffffffff85ec81a0 R13: ffff88814115b064 R14: 0000000000000001 R15: 0000000000000000 acpi_idle_enter+0xa3/0xf0 drivers/acpi/processor_idle.c:711 cpuidle_enter_state+0x77/0x2e0 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x2d/0x40 drivers/cpuidle/cpuidle.c:388 cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x1b1/0x210 kernel/sched/idle.c:282 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 rest_init+0xc4/0xd0 init/main.c:732 arch_call_rest_init+0xe/0x20 init/main.c:894 start_kernel+0x600/0x9a0 init/main.c:1148 secondary_startup_64_no_verify+0xce/0xdb ---------------- Code disassembly (best guess): 0: ed in (%dx),%eax 1: c3 ret 2: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 00 d: 66 90 xchg %ax,%ax f: 65 48 8b 04 25 40 d3 mov %gs:0x2d340,%rax 16: 02 00 18: 48 8b 00 mov (%rax),%rax 1b: a8 08 test $0x8,%al 1d: 75 0c jne 0x2b 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 3f a3 4a 00 verw 0x4aa33f(%rip) # 0x4aa367 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: c3 ret 2c: 0f 1f 00 nopl (%rax) 2f: 0f b6 47 08 movzbl 0x8(%rdi),%eax 33: 3c 01 cmp $0x1,%al 35: 74 0b je 0x42 37: 3c 02 cmp $0x2,%al 39: 74 05 je 0x40 3b: 8b 7f 04 mov 0x4(%rdi),%edi 3e: eb 9f jmp 0xffffffdf