watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:7403] Modules linked in: irq event stamp: 11178987 hardirqs last enabled at (11178986): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (11178987): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (11153232): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (11153235): [] __irq_exit_rcu+0x11b/0x190 CPU: 0 PID: 7403 Comm: syz-executor.2 Not tainted 6.1.0-rc2-next-20221028 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0x105/0x140 Code: ff 65 0f c1 05 bc 9e cb 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f 36 3e 02 00 45 31 ed eb bc 0f 0b 48 c7 c7 20 f5 66 84 e8 f3 0d RSP: 0018:ffff88806ce099b8 EFLAGS: 00000286 RAX: 0000000000000000 RBX: 1ffff1100d9c133c RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000103 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8590b457 R10: fffffbfff0b2168a R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffffff85207a20 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7951b59010 CR3: 0000000005026000 CR4: 0000000000350ef0 Call Trace: rcu_read_lock_sched_held+0x3e/0x90 lock_acquire+0x45e/0x540 ieee80211_iterate_active_interfaces_atomic+0x42/0x190 mac80211_hwsim_addr_match+0x128/0x190 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb93/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:unmap_page_range+0x19e1/0x2a50 Code: 21 f0 ff ff e8 b0 41 dc ff 48 8d 45 08 48 89 84 24 80 00 00 00 48 c1 e8 03 42 80 3c 30 00 0f 85 7a 07 00 00 4c 8b 6d 08 31 ff <4d> 89 ef 41 83 e7 01 4c 89 fe e8 e0 3d dc ff 4d 85 ff 0f 85 96 05 RSP: 0018:ffff888017c7f700 EFLAGS: 00000246 RAX: 1ffffd40001e2a99 RBX: ffff888017c7fad8 RCX: 0000000000000000 RDX: ffff888044705040 RSI: ffffffff816bd8c0 RDI: 0000000000000000 RBP: ffffea0000f154c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803430ee70 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fdde8e59b19 Code: Unable to access opcode bytes at 0x7fdde8e59aef. RSP: 002b:00007fdde63cee98 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: 0000000000000005 RBX: 0000000020001f00 RCX: 00007fdde8e59b19 RDX: 0000000000020000 RSI: 0000000000000000 RDI: 00007fdde8eb30fb RBP: 0000000000000002 R08: 0000000000010000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 00007ffe5e68a49f R14: 0000000000020000 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 14 Comm: rcu_preempt Not tainted 6.1.0-rc2-next-20221028 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc90 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ce 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8438f6b7 RDX: fffffbfff0ac8239 RSI: 0000000000000004 RDI: ffffffff856411c0 RBP: ffffffff856411c0 R08: 0000000000000000 R09: ffffffff856411c3 R10: fffffbfff0ac8238 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac8238 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056016b1df648 CR3: 000000001589a000 CR4: 0000000000350ee0 Call Trace: do_raw_spin_lock+0x1dc/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x2e/0x70 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 4a 92 f2 fc 48 89 ef e8 c2 09 f3 fc 80 e7 02 74 06 e8 88 35 16 fd fb bf 01 00 00 00 7d 7f e8 fc 65 8b 05 de 88 ca 7b 85 c0 74 07 5b 5d e9 0b 29 00 RSP: 0018:ffff888008567b38 EFLAGS: 00000206 RAX: 00000000002d09a3 RBX: 0000000000000293 RCX: 1ffffffff0b21189 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88806cf28080 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed100d9e5010 R11: 0000000000000001 R12: 000000010003c984 R13: ffff88806cf28080 R14: 0000000000000000 R15: 00000000ffffffff __mod_timer+0x81e/0xda0 schedule_timeout+0x18a/0x490 rcu_gp_fqs_loop+0x1c4/0xc60 rcu_gp_kthread+0x3c4/0x5b0 kthread+0x2ed/0x3b0 ret_from_fork+0x2c/0x50 ---------------- Code disassembly (best guess): 0: ff 65 0f jmpq *0xf(%rbp) 3: c1 05 bc 9e cb 7b 83 roll $0x83,0x7bcb9ebc(%rip) # 0x7bcb9ec6 a: f8 clc b: 01 75 26 add %esi,0x26(%rbp) e: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 15: 00 16: 74 01 je 0x19 18: fb sti 19: 48 83 c4 08 add $0x8,%rsp 1d: 44 89 e8 mov %r13d,%eax 20: 5b pop %rbx 21: 5d pop %rbp 22: 41 5c pop %r12 24: 41 5d pop %r13 26: 41 5e pop %r14 28: 41 5f pop %r15 * 2a: e9 36 3e 02 00 jmpq 0x23e65 <-- trapping instruction 2f: 45 31 ed xor %r13d,%r13d 32: eb bc jmp 0xfffffff0 34: 0f 0b ud2 36: 48 c7 c7 20 f5 66 84 mov $0xffffffff8466f520,%rdi 3d: e8 .byte 0xe8 3e: f3 repz 3f: 0d .byte 0xd