watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:5190] Modules linked in: irq event stamp: 6489259 hardirqs last enabled at (6489258): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (6489259): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (6487916): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6487919): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5190 Comm: syz-executor.2 Not tainted 5.19.0-rc7-next-20220722 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:link_sta_info_get_bss+0xd7/0x430 Code: e8 8e c3 3f fd e8 19 d6 46 fd 31 ff 89 c3 89 c6 e8 3e 73 5b fd 58 84 db 0f 84 54 02 00 00 e8 c0 76 5b fd 48 8b 35 41 45 f2 00 <48> 8b 05 22 45 f2 00 49 8d bd 10 0b 00 00 48 8b 15 1c 45 f2 00 48 RSP: 0018:ffff88806cf09b90 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffff8880094c8000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff888044190b40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88804490a45a R13: ffff88801d3d8de0 R14: 1ffff1100d9e1373 R15: ffff88806cf09d90 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000790000 CR3: 0000000017954000 CR4: 0000000000350ee0 Call Trace: ieee80211_rx_for_interface+0x76/0x1f0 ieee80211_rx_list+0x1180/0x26d0 ieee80211_rx_napi+0xdb/0x380 ieee80211_tasklet_handler+0xd4/0x130 tasklet_action_common.constprop.0+0x208/0x2f0 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:free_swap_cache+0x53/0x380 Code: 0f 85 f8 02 00 00 4c 8b 65 08 31 ff 4c 89 e3 83 e3 01 48 89 de e8 bd 5a d3 ff 48 85 db 0f 85 0f 01 00 00 e8 df 5d d3 ff 66 90 d8 5d d3 ff 49 89 ed 49 89 ec e8 cd 5d d3 ff be 08 00 00 00 4c RSP: 0018:ffff888044f775b8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880094c8000 RSI: ffffffff81724411 RDI: 0000000000000007 RBP: ffffea0000d62f40 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801a668010 R14: ffffea0000d62f48 R15: 00000000000001fe free_pages_and_swap_cache+0x58/0x90 tlb_batch_pages_flush+0xa8/0x1b0 unmap_page_range+0x16b7/0x2cc0 unmap_single_vma+0x190/0x350 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0xb44/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0b51ab6b19 Code: Unable to access opcode bytes at RIP 0x7f0b51ab6aef. RSP: 002b:00007f0b4f02c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007f0b51bc9f68 RCX: 00007f0b51ab6b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0b51bc9f68 RBP: 00007f0b51bc9f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b51bc9f6c R13: 00007ffc00eaa1ef R14: 00007f0b4f02c300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5191 Comm: syz-executor.5 Not tainted 5.19.0-rc7-next-20220722 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:core_kernel_text+0x7d/0xa0 Code: dc 95 91 04 01 76 0b 44 89 e0 5b 41 5c e9 cb 12 43 03 48 81 fb 00 90 35 86 72 ec 48 81 fb 42 34 44 86 73 e3 41 bc 01 00 00 00 <5b> 44 89 e0 41 5c e9 a8 12 43 03 48 c7 c7 84 bd ae 85 e8 cc 36 5b RSP: 0018:ffff88806ce09828 EFLAGS: 00000287 RAX: dffffc0000000000 RBX: ffffffff841f0d4e RCX: 0000000000000000 RDX: 1ffff1100d9c131b RSI: ffff88806ce09ff0 RDI: ffffffff841f0d4e RBP: ffffffff841f0d4e R08: ffffffff85e28bb6 R09: ffffffff85e28bba R10: ffffed100d9c131d R11: ffff88806ce098c0 R12: 0000000000000001 R13: 0000000000000000 R14: ffff888018291ac0 R15: ffff88800847bdc0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c643891648 CR3: 000000000e036000 CR4: 0000000000350ef0 Call Trace: kernel_text_address+0xd/0xb0 __kernel_text_address+0x9/0x40 unwind_get_return_address+0x55/0xa0 arch_stack_walk+0x99/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_record_aux_stack+0x97/0xb0 call_rcu+0x6a/0xa30 kmem_cache_free+0xc1/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xcf/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:vm_normal_page+0x14d/0x2e0 Code: 04 31 ff e8 b5 e3 dc ff e8 60 e7 dc ff 48 c7 c0 90 87 13 85 48 c1 e3 06 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 4a 01 00 00 48 03 1d d6 cc aa 03 49 89 dc e8 2e e7 dc ff 48 RSP: 0018:ffff888045ac75c8 EFLAGS: 00000246 RAX: 1ffffffff0a270f2 RBX: 0000000000d29540 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff8168ba90 RDI: 0000000000000006 RBP: 1ffff11008b58eba R08: 0000000000000006 R09: 0000000000034a55 R10: 000000000007ffdf R11: 0000000000000001 R12: ffff888008b2fb60 R13: 00007fc398890000 R14: 000000000007ffdf R15: 0000000000000000 unmap_page_range+0xba6/0x2cc0 unmap_single_vma+0x190/0x350 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0xb44/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc399876b19 Code: Unable to access opcode bytes at RIP 0x7fc399876aef. RSP: 002b:00007fc396dec188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: 0000000000000000 RBX: 00007fc399989f60 RCX: 00007fc399876b19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007fc3998d0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe65a8797f R14: 00007fc396dec300 R15: 0000000000022000 hpet: Lost 4 RTC interrupts ---------------- Code disassembly (best guess): 0: e8 8e c3 3f fd callq 0xfd3fc393 5: e8 19 d6 46 fd callq 0xfd46d623 a: 31 ff xor %edi,%edi c: 89 c3 mov %eax,%ebx e: 89 c6 mov %eax,%esi 10: e8 3e 73 5b fd callq 0xfd5b7353 15: 58 pop %rax 16: 84 db test %bl,%bl 18: 0f 84 54 02 00 00 je 0x272 1e: e8 c0 76 5b fd callq 0xfd5b76e3 23: 48 8b 35 41 45 f2 00 mov 0xf24541(%rip),%rsi # 0xf2456b * 2a: 48 8b 05 22 45 f2 00 mov 0xf24522(%rip),%rax # 0xf24553 <-- trapping instruction 31: 49 8d bd 10 0b 00 00 lea 0xb10(%r13),%rdi 38: 48 8b 15 1c 45 f2 00 mov 0xf2451c(%rip),%rdx # 0xf2455b 3f: 48 rex.W