watchdog: BUG: soft lockup - CPU#1 stuck for 27s! [syz-executor.7:8338] Modules linked in: irq event stamp: 4427695 hardirqs last enabled at (4427694): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4427695): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4339504): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4339507): [] __irq_exit_rcu+0x11b/0x190 CPU: 1 PID: 8338 Comm: syz-executor.7 Not tainted 6.1.0-rc1-next-20221021 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:filter_irq_stacks+0x2b/0xa0 Code: 54 41 89 f4 55 53 48 83 ec 08 85 f6 74 30 48 bd 00 00 00 00 00 fc ff df 31 db 48 89 f8 48 c1 e8 03 80 3c 28 00 75 53 48 8b 07 <48> 3d 10 02 40 84 72 1c 48 3d d0 0e 40 84 73 14 44 8d 63 01 48 83 RSP: 0018:ffff88806cf09918 EFLAGS: 00000246 RAX: ffffffff817bad8a RBX: 0000000000000002 RCX: 0000000000000800 RDX: 0000000000000000 RSI: 000000000000001f RDI: ffff88806cf099c0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 000000000000001f R13: 0000000000000001 R14: 0000000000000800 R15: ffff88806cf099b0 FS: 00007f9cb9b15700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f43160d9718 CR3: 0000000043760000 CR4: 0000000000350ee0 Call Trace: __stack_depot_save+0x3a/0x4e0 kasan_save_stack+0x31/0x50 kasan_set_track+0x21/0x40 kasan_save_free_info+0x2a/0x60 __kasan_slab_free+0x106/0x1a0 __kmem_cache_free+0xcb/0x410 skb_release_data+0x6d8/0x820 consume_skb+0xc2/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2b0 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:lock_acquire+0x1db/0x540 Code: 03 b8 ff ff ff ff 65 0f c1 05 b1 ed d6 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff888015cdfb70 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11002b9bf70 RCX: 00000000ef9e39f0 RDX: 1ffff1100309fb36 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff87207807 R10: fffffbfff0e40f00 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85207920 R15: 0000000000000000 memcg_slab_post_alloc_hook+0x126/0x450 kmem_cache_alloc+0x1dc/0x3f0 __alloc_file+0x21/0x250 alloc_empty_file+0x6d/0x180 alloc_file+0x59/0x810 alloc_file_pseudo+0x16a/0x260 sock_alloc_file+0x4f/0x1b0 __sys_socket+0x1a8/0x260 __x64_sys_socket+0x6f/0xc0 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f9cbc59fb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9cb9b15188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f9cbc6b2f60 RCX: 00007f9cbc59fb19 RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010 RBP: 00007f9cbc5f9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd62f042f R14: 00007f9cb9b15300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8342 Comm: syz-executor.5 Not tainted 6.1.0-rc1-next-20221021 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__stack_depot_save+0x14f/0x4e0 Code: 05 89 da 23 15 5e 87 99 05 4c 8d 14 d0 4d 8b 0a 4d 85 c9 75 11 e9 a5 00 00 00 4d 8b 09 4d 85 c9 0f 84 99 00 00 00 41 39 59 08 <75> ee 41 3b 49 0c 75 e8 31 c0 49 8b 7c c1 18 49 39 3c c7 75 db 48 RSP: 0018:ffff88806ce09968 EFLAGS: 00000246 RAX: ffff88806c300000 RBX: 0000000004675fae RCX: 000000000000000e RDX: 0000000000075fae RSI: ffff88806ce09a44 RDI: 0000000000000001 RBP: 0000000000000000 R08: 000000000000000e R09: ffff88801777f4d0 R10: ffff88806c6afd70 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000800 R15: ffff88806ce099d8 FS: 00007f43160fa700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32b22000 CR3: 00000000440d8000 CR4: 0000000000350ef0 Call Trace: kasan_save_stack+0x31/0x50 __kasan_record_aux_stack+0x95/0xc0 __call_rcu_common.constprop.0+0x6a/0xa50 kmem_cache_free+0xbd/0x620 kfree_skbmem+0xef/0x1c0 consume_skb+0xcf/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2b0 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:lock_acquire+0x1db/0x540 Code: 03 b8 ff ff ff ff 65 0f c1 05 b1 ed d6 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff888045a57658 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11008b4aecd RCX: 0000000069168689 RDX: 1ffff11008d0712e RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff87207807 R10: fffffbfff0e40f00 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85207920 R15: 0000000000000000 __is_insn_slot_addr+0x3d/0x260 kernel_text_address+0x57/0xc0 __kernel_text_address+0x9/0x50 unwind_get_return_address+0x55/0xb0 arch_stack_walk+0x99/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 kasan_set_track+0x21/0x40 __kasan_slab_alloc+0x58/0x80 kmem_cache_alloc_bulk+0x3d7/0x7e0 mas_alloc_nodes+0x2ff/0x810 mas_preallocate+0x1bb/0x370 mmap_region+0x774/0x1a20 do_mmap+0x828/0xf50 ioctx_alloc+0x7eb/0x1e20 __x64_sys_io_setup+0xc4/0x200 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4318b84b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f43160fa188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f4318c97f60 RCX: 00007f4318b84b19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007f4318bdef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff35ae48bf R14: 00007f43160fa300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 54 push %rsp 1: 41 89 f4 mov %esi,%r12d 4: 55 push %rbp 5: 53 push %rbx 6: 48 83 ec 08 sub $0x8,%rsp a: 85 f6 test %esi,%esi c: 74 30 je 0x3e e: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 15: fc ff df 18: 31 db xor %ebx,%ebx 1a: 48 89 f8 mov %rdi,%rax 1d: 48 c1 e8 03 shr $0x3,%rax 21: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 25: 75 53 jne 0x7a 27: 48 8b 07 mov (%rdi),%rax * 2a: 48 3d 10 02 40 84 cmp $0xffffffff84400210,%rax <-- trapping instruction 30: 72 1c jb 0x4e 32: 48 3d d0 0e 40 84 cmp $0xffffffff84400ed0,%rax 38: 73 14 jae 0x4e 3a: 44 8d 63 01 lea 0x1(%rbx),%r12d 3e: 48 rex.W 3f: 83 .byte 0x83