Bluetooth: hci7: command 0x0409 tx timeout Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci7: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:6239] Modules linked in: irq event stamp: 5157943 hardirqs last enabled at (5157942): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5157943): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (5111956): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5111959): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 6239 Comm: syz-executor.0 Not tainted 5.10.157 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:find_stack lib/stackdepot.c:185 [inline] RIP: 0010:stack_depot_save+0x10b/0x400 lib/stackdepot.c:257 Code: df 41 81 e7 ff ff 0f 00 4a 8b 2c fd 60 33 10 87 48 85 ed 75 12 e9 b4 00 00 00 48 8b 6d 00 48 85 ed 0f 84 a7 00 00 00 39 5d 08 <75> ee 44 3b 6d 0c 75 e8 31 c0 48 8b 74 c5 18 49 39 34 c4 75 db 48 RSP: 0018:ffff88806cf09708 EFLAGS: 00000246 RAX: 00000000532c76c7 RBX: 0000000052ec1807 RCX: 0000000000092a20 RDX: 00000000a6e499d8 RSI: 0000000000000003 RDI: 00000000c8a66658 RBP: ffff88801ac464f0 R08: 00000000ded9885b R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806cf09758 R13: 0000000000000012 R14: 0000000000000012 R15: 00000000000c1807 FS: 00007fb1d3663700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc90a2c46f4 CR3: 000000004bc24000 CR4: 0000000000350ee0 Call Trace: kasan_save_stack+0x32/0x40 mm/kasan/common.c:50 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/0x360 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x360 mm/slub.c:2909 __skb_ext_alloc+0x19/0x90 net/core/skbuff.c:6225 skb_ext_add+0x508/0x670 net/core/skbuff.c:6320 skb_set_kcov_handle include/linux/skbuff.h:4632 [inline] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:446 netdev_alloc_skb include/linux/skbuff.h:2836 [inline] dev_alloc_skb include/linux/skbuff.h:2849 [inline] __ieee80211_beacon_get+0x3af/0x13a0 net/mac80211/tx.c:4874 ieee80211_beacon_get_tim+0x88/0x910 net/mac80211/tx.c:4988 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x86b 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:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:qlink_free mm/kasan/quarantine.c:151 [inline] RIP: 0010:qlist_free_all+0x3f/0xe0 mm/kasan/quarantine.c:170 Code: 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 05 d8 6b 81 48 29 c6 48 89 f0 48 c1 e8 03 c6 04 28 fb e8 RSP: 0018:ffff88801eb6f710 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffea0000384f00 RDX: 0000000000000001 RSI: ffff88800e13d7a0 RDI: ffff888007c4d640 RBP: dffffc0000000000 R08: 0000000000000011 R09: ffffffff816bd801 R10: ffff888014a6a6c0 R11: 0000000000000001 R12: ffff88801eb6f748 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff88800e13c870 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/0x360 mm/slub.c:2909 ptlock_alloc mm/memory.c:5332 [inline] ptlock_init include/linux/mm.h:2196 [inline] pmd_ptlock_init include/linux/mm.h:2282 [inline] pgtable_pmd_page_ctor include/linux/mm.h:2318 [inline] pmd_alloc_one include/asm-generic/pgalloc.h:129 [inline] __pmd_alloc+0x94/0x5e0 mm/memory.c:4777 pmd_alloc include/linux/mm.h:2146 [inline] copy_pmd_range mm/memory.c:1050 [inline] copy_pud_range mm/memory.c:1107 [inline] copy_p4d_range mm/memory.c:1131 [inline] copy_page_range+0x2c76/0x38c0 mm/memory.c:1204 dup_mmap kernel/fork.c:593 [inline] dup_mm+0x8b9/0x1110 kernel/fork.c:1368 copy_mm kernel/fork.c:1424 [inline] copy_process+0x23fc/0x66f0 kernel/fork.c:2106 kernel_clone+0xe7/0xa20 kernel/fork.c:2467 __do_sys_fork+0x8a/0xc0 kernel/fork.c:2530 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fb1d60edb19 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:00007fb1d3663188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fb1d6200f60 RCX: 00007fb1d60edb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb1d6147f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8ceab7af R14: 00007fb1d3663300 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:689 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 41 81 e7 ff ff 0f 00 and $0xfffff,%r15d 7: 4a 8b 2c fd 60 33 10 mov -0x78efcca0(,%r15,8),%rbp e: 87 f: 48 85 ed test %rbp,%rbp 12: 75 12 jne 0x26 14: e9 b4 00 00 00 jmpq 0xcd 19: 48 8b 6d 00 mov 0x0(%rbp),%rbp 1d: 48 85 ed test %rbp,%rbp 20: 0f 84 a7 00 00 00 je 0xcd 26: 39 5d 08 cmp %ebx,0x8(%rbp) * 29: 75 ee jne 0x19 <-- trapping instruction 2b: 44 3b 6d 0c cmp 0xc(%rbp),%r13d 2f: 75 e8 jne 0x19 31: 31 c0 xor %eax,%eax 33: 48 8b 74 c5 18 mov 0x18(%rbp,%rax,8),%rsi 38: 49 39 34 c4 cmp %rsi,(%r12,%rax,8) 3c: 75 db jne 0x19 3e: 48 rex.W