SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51 sclass=netlink_route_socket pid=4012 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=64 sclass=netlink_route_socket pid=4012 comm=syz-executor.4 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.7:4015] Modules linked in: irq event stamp: 4391909 hardirqs last enabled at (4391908): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4391909): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (4388938): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4388941): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4015 Comm: syz-executor.7 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:jhash+0x31d/0x610 include/linux/jhash.h:88 Code: c6 e8 a7 1f 4e ff 44 89 f0 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 a1 a1 2d 02 83 fd 01 0f 84 5b ff ff ff eb da 83 fd 05 <74> 3a e8 7c 1f 4e ff 48 8d 7b 05 48 b8 00 00 00 00 00 fc ff df 48 RSP: 0018:ffff88806ce09a20 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff88804990405a RCX: ffffffff81f29ce3 RDX: 0000000000000006 RSI: ffff88800cc70000 RDI: 0000000000000005 RBP: 0000000000000006 R08: 000000005c0ca242 R09: ffffffff8686a6e7 R10: 000000000000000c R11: 0000000000000001 R12: 000000005c0ca242 R13: 000000003aba6137 R14: 000000003aba6137 R15: 000000003aba6137 FS: 00007fd24d02f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563ad0c70050 CR3: 000000001cc98000 CR4: 0000000000350ef0 Call Trace: rht_key_hashfn include/linux/rhashtable.h:159 [inline] __rhashtable_lookup+0x207/0x7d0 include/linux/rhashtable.h:596 rhltable_lookup include/linux/rhashtable.h:688 [inline] sta_info_hash_lookup net/mac80211/sta_info.c:162 [inline] sta_info_get_bss+0x12d/0x470 net/mac80211/sta_info.c:199 __ieee80211_rx_handle_packet net/mac80211/rx.c:4725 [inline] ieee80211_rx_list+0xdb0/0x2370 net/mac80211/rx.c:4846 ieee80211_rx_napi+0xdc/0x3c0 net/mac80211/rx.c:4867 ieee80211_rx include/net/mac80211.h:4502 [inline] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x244/0x2f0 kernel/softirq.c:560 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:196 Code: ff ff ff b8 08 00 00 00 4d 8b 17 49 8b 16 48 0f bd c8 48 63 c9 e9 5e ff ff ff 4c 01 d2 49 89 17 e9 cd fd ff ff 90 48 8b 34 24 <65> 48 8b 14 25 80 6f 02 00 65 8b 05 7c b1 c1 7e a9 00 01 ff 00 74 RSP: 0018:ffff888048667578 EFLAGS: 00000246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffc900029f4000 RDX: 0000000000040000 RSI: ffffffff818fde66 RDI: ffff88801a270178 RBP: ffff88801a270178 R08: 0000000000000001 R09: 0000000000000003 R10: fffffffffffff000 R11: 0000000000000001 R12: dffffc0000000000 R13: ffff88801a270178 R14: ffff88801a187800 R15: ffff8880486677c0 drop_sysctl_table+0x76/0x4e0 fs/proc/proc_sysctl.c:1669 get_subdir fs/proc/proc_sysctl.c:1027 [inline] __register_sysctl_table+0x961/0x1090 fs/proc/proc_sysctl.c:1348 __devinet_sysctl_register+0x15e/0x280 net/ipv4/devinet.c:2583 devinet_init_net+0x17b/0x650 net/ipv4/devinet.c:2706 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2d8/0x810 net/core/net_namespace.c:354 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:495 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x3fb/0x4f0 kernel/nsproxy.c:179 copy_process+0x385b/0x7800 kernel/fork.c:2129 kernel_clone+0xe7/0x980 kernel/fork.c:2506 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2781 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fd24fab9b19 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:00007fd24d02f188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd24fbccf60 RCX: 00007fd24fab9b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0 RBP: 00007fd24fb13f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5cd709ef R14: 00007fd24d02f300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 a7 1f 4e ff callq 0xff4e1fac 5: 44 89 f0 mov %r14d,%eax 8: 48 83 c4 08 add $0x8,%rsp c: 5b pop %rbx d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: 41 5e pop %r14 14: 41 5f pop %r15 16: e9 a1 a1 2d 02 jmpq 0x22da1bc 1b: 83 fd 01 cmp $0x1,%ebp 1e: 0f 84 5b ff ff ff je 0xffffff7f 24: eb da jmp 0x0 26: 83 fd 05 cmp $0x5,%ebp * 29: 74 3a je 0x65 <-- trapping instruction 2b: e8 7c 1f 4e ff callq 0xff4e1fac 30: 48 8d 7b 05 lea 0x5(%rbx),%rdi 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 48 rex.W