device lo entered promiscuous mode watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:12401] Modules linked in: irq event stamp: 4843859 hardirqs last enabled at (4843858): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4843859): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4838138): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4838141): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 12401 Comm: syz-executor.2 Not tainted 6.2.0-rc2-next-20230105 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 Code: be a8 01 00 00 e8 a0 ff ff ff 31 c0 e9 7d fe fa 02 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 9d 14 ba 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffff88806cf09b88 EFLAGS: 00000246 RAX: ffff88803f909568 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff888040029ac0 RSI: ffffffff84018ef7 RDI: 0000000000000005 RBP: ffff88803f908b40 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: ffffed1007f212ad R14: 1ffff1100d9e1373 R15: ffff88806cf09d88 FS: 00007f5c6672d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfe6dfd308 CR3: 00000000159ca000 CR4: 0000000000350ee0 Call Trace: link_sta_info_get_bss+0x2fe/0x480 ieee80211_rx_for_interface+0x76/0x3b0 ieee80211_rx_list+0x18b1/0x2f10 ieee80211_rx_napi+0xde/0x3c0 ieee80211_tasklet_handler+0xd8/0x140 tasklet_action_common.constprop.0+0x208/0x2f0 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:___slab_alloc+0x2ba/0x1080 Code: 0a 00 00 49 c7 47 28 00 00 00 00 48 c7 c6 c3 11 7d 81 4c 89 ff e8 16 07 af ff 4d 85 ed 74 06 e8 bc 79 d3 ff fb 48 8b 44 24 38 97 fd ff ff 48 8b 45 00 48 8d 78 20 49 89 ff e8 b1 30 c5 02 be RSP: 0018:ffff888039fbf4a0 EFLAGS: 00000202 RAX: ffffea00005a94c0 RBX: ffff88806cf3d940 RCX: ffffffff812b7aef RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88800844f780 R08: 0000000000000001 R09: ffffffff8764d95f R10: fffffbfff0ec9b2b R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000200 R14: ffff888040029ac0 R15: ffff88806cf3d960 __slab_alloc.constprop.0+0x4d/0x90 kmem_cache_alloc+0x2e7/0x300 __create_object+0x3d/0xc40 kmem_cache_alloc+0x204/0x300 jbd2__journal_start+0x194/0x6b0 __ext4_journal_start_sb+0x4c2/0x6f0 ext4_dirty_inode+0xa5/0x130 __mark_inode_dirty+0x1aa/0xee0 generic_update_time+0x21b/0x2b0 file_modified_flags+0x2d4/0x330 ext4_buffered_write_iter+0xf9/0x460 ext4_file_write_iter+0x3ff/0x1930 __kernel_write_iter+0x264/0x740 __kernel_write+0xcb/0x110 do_acct_process+0xd8a/0x1400 acct_pin_kill+0x2d/0x100 pin_kill+0x16f/0x8f0 mnt_pin_kill+0x66/0x1f0 cleanup_mnt+0x321/0x3d0 task_work_run+0x174/0x280 exit_to_user_mode_prepare+0x199/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f5c691b7b19 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:00007f5c6672d188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f5c692caf60 RCX: 00007f5c691b7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f5c69211f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd637fc4f R14: 00007f5c6672d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 12441 Comm: syz-executor.3 Not tainted 6.2.0-rc2-next-20230105 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x45b/0x5e70 Code: 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 3c 11 00 00 41 0f b7 6d 20 66 81 e5 ff 1f 0f b7 ed be 08 00 00 00 <48> 89 e8 48 c1 e8 06 48 8d 3c c5 00 d9 64 87 e8 71 df 51 00 48 0f RSP: 0018:ffff88806ce08fc8 EFLAGS: 00000002 RAX: 0000000000000000 RBX: ffff8880162a8960 RCX: ffffffff812bb26a RDX: 1ffff11002c55144 RSI: 0000000000000008 RDI: ffffffff8764e0d8 RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffff8764d907 R10: fffffbfff0ec9b20 R11: 0000000000000001 R12: ffff8880162a8000 R13: ffff8880162a8a00 R14: 0000000000000002 R15: 0000000000026000 FS: 00007f343ca1f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555674f098 CR3: 000000001f2b2000 CR4: 0000000000350ef0 Call Trace: lock_acquire.part.0+0x11e/0x340 perf_output_begin_forward+0xb4/0xb50 perf_event_output_forward+0xf5/0x2c0 __perf_event_overflow+0x3ed/0x760 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x17f/0xcb0 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x510 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__stack_depot_save+0x139/0x4e0 Code: 95 83 ff 02 0f 84 80 00 00 00 83 ff 03 74 78 83 ff 01 74 79 48 8b 05 b6 39 b9 05 89 da 23 15 ba 39 b9 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 RSP: 0018:ffff88806ce09928 EFLAGS: 00000206 RAX: ffff88806c400000 RBX: 00000000e38be666 RCX: 000000000000000e RDX: 00000000000be666 RSI: ffff88806ce09a04 RDI: 0000000000000001 RBP: 0000000000000000 R08: 000000000000000e R09: ffff888034d50ff0 R10: ffff88806c9f3330 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000800 R15: ffff88806ce09998 kasan_save_stack+0x35/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa00 __kmem_cache_free+0x8b/0x2f0 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x50/0x70 Code: 0e 85 c9 74 35 8b 82 14 14 00 00 85 c0 74 2b 8b 82 f0 13 00 00 83 f8 02 75 20 48 8b 8a f8 13 00 00 8b 92 f4 13 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 01 48 89 34 c1 e9 ff fd fa 02 66 RSP: 0018:ffff888047477130 EFLAGS: 00000246 RAX: 000000000000bf97 RBX: 0000000000000001 RCX: ffffc900047ff000 RDX: 0000000000040000 RSI: ffffffff8149f2b4 RDI: ffff8880162a83f4 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff8564eea8 R15: 00000000000000f0 __is_insn_slot_addr+0x134/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x172/0x300 __create_object+0x3d/0xc40 __kmem_cache_alloc_node+0x1ed/0x2f0 kmalloc_trace+0x26/0x120 selinux_sk_alloc_security+0x94/0x210 security_sk_alloc+0x5a/0xb0 sk_prot_alloc+0x20b/0x280 sk_alloc+0x38/0x7b0 __netlink_create+0x63/0x340 __netlink_kernel_create+0x114/0x870 diag_net_init+0xc0/0x150 ops_init+0xbb/0x6c0 setup_net+0x40c/0x9d0 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2a5e/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f343f4ebb19 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:00007f343ca1f188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f343f5ff0e0 RCX: 00007f343f4ebb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f343f545f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff84d00f8f R14: 00007f343ca1f300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: be a8 01 00 00 mov $0x1a8,%esi 5: e8 a0 ff ff ff callq 0xffffffaa a: 31 c0 xor %eax,%eax c: e9 7d fe fa 02 jmpq 0x2fafe8e 11: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 18: 00 00 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 65 8b 05 9d 14 ba 7e mov %gs:0x7eba149d(%rip),%eax # 0x7eba14d2 35: 89 c1 mov %eax,%ecx 37: 48 8b 34 24 mov (%rsp),%rsi 3b: 81 .byte 0x81 3c: e1 00 loope 0x3e 3e: 01 00 add %eax,(%rax)