syz-executor.1 uses obsolete (PF_INET,SOCK_PACKET) syz-executor.0 (4093) used greatest stack depth: 23512 bytes left Bluetooth: hci0: command 0x2019 tx timeout Bluetooth: hci0: command 0x2019 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.2:4094] Modules linked in: irq event stamp: 11002633 hardirqs last enabled at (11002632): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (11002633): [<ffffffff83e6275b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (10972428): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (10972431): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4094 Comm: syz-executor.2 Not tainted 5.10.228 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xb6/0x1a90 arch/x86/kernel/unwind_orc.c:424 Code: 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 65 48 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 81 13 00 00 49 8b 45 48 48 89 44 24 10 <49> 8d 45 38 48 89 c2 48 89 44 24 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff88806cf095c8 EFLAGS: 00000246 RAX: ffffffff83e5f863 RBX: 0000000000000001 RCX: ffffffff85986b01 RDX: 1ffff1100d9e12dd RSI: ffffffff83e5f863 RDI: ffff88806cf096a0 RBP: ffff88806cf09728 R08: 0000000000000003 R09: ffff888017367f48 R10: 0000000000032042 R11: 1ffff1100d9e12c1 R12: ffff88806cf096e8 R13: ffff88806cf096a0 R14: 1ffff1100d9e12c1 R15: 0000000000000170 FS: 00007fbaff2c3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f1af099678 CR3: 000000000fe26000 CR4: 0000000000350ee0 Call Trace: <IRQ> arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:447 netdev_alloc_skb include/linux/skbuff.h:2854 [inline] dev_alloc_skb include/linux/skbuff.h:2867 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 </IRQ> __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:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:qlist_free_all+0x3c/0xe0 mm/kasan/quarantine.c:168 Code: f6 0f 84 a3 00 00 00 49 89 fc 41 bd 00 00 00 80 49 c7 c6 00 00 00 80 48 bd 00 00 00 00 00 fc ff df eb 2c 48 63 87 c0 00 00 00 <4c> 8b 3e 48 c7 c2 65 b6 6c 81 48 29 c6 48 89 f0 48 c1 e8 03 c6 04 RSP: 0018:ffff8880173679d0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffffffffff RDX: 0000000000000000 RSI: ffff888016de4510 RDI: ffff88800804d640 RBP: dffffc0000000000 R08: 0000000000000011 R09: ffffffff816cb601 R10: ffff88800f64d7a0 R11: 0000000000000001 R12: ffff888017367a08 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff888016de4510 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 kmem_cache_zalloc include/linux/slab.h:654 [inline] __proc_create+0x2b3/0x8b0 fs/proc/generic.c:431 proc_create_reg+0xb2/0x180 fs/proc/generic.c:558 proc_create_net_data+0x8c/0x1b0 fs/proc/proc_net.c:110 udplite6_proc_init_net+0x55/0x80 net/ipv6/udplite.c:107 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 unshare_nsproxy_namespaces+0xbd/0x1f0 kernel/nsproxy.c:231 ksys_unshare+0x449/0x8a0 kernel/fork.c:3003 __do_sys_unshare kernel/fork.c:3071 [inline] __se_sys_unshare kernel/fork.c:3069 [inline] __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3069 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbb01d4db19 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:00007fbaff2c3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007fbb01e60f60 RCX: 00007fbb01d4db19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048020200 RBP: 00007fbb01da7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27eab3ff R14: 00007fbaff2c3300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 9: fc ff df c: 4d 8d 65 48 lea 0x48(%r13),%r12 10: 4c 89 e2 mov %r12,%rdx 13: 48 c1 ea 03 shr $0x3,%rdx 17: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1b: 0f 85 81 13 00 00 jne 0x13a2 21: 49 8b 45 48 mov 0x48(%r13),%rax 25: 48 89 44 24 10 mov %rax,0x10(%rsp) * 2a: 49 8d 45 38 lea 0x38(%r13),%rax <-- trapping instruction 2e: 48 89 c2 mov %rax,%rdx 31: 48 89 44 24 08 mov %rax,0x8(%rsp) 36: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3d: fc ff df