blktrace: Concurrent blktraces are not allowed on sg0 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:5381] Modules linked in: irq event stamp: 9485909 hardirqs last enabled at (9485908): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (9485909): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (9365736): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (9365739): [] __irq_exit_rcu+0xcc/0x110 CPU: 1 PID: 5381 Comm: syz-executor.0 Not tainted 6.2.0-rc5-next-20230127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 b8 e5 fc 48 89 ef e8 0e 35 e6 fc 80 e7 02 74 06 e8 94 f5 0a fd fb 65 ff 0d f4 02 bc 7b <74> 07 5b 5d e9 27 28 00 00 0f 1f 44 00 00 5b 5d e9 1b 28 00 00 0f RSP: 0018:ffff88806cf09a88 EFLAGS: 00000206 RAX: 000000000090bd46 RBX: 0000000000000246 RCX: ffffffff812c9c2f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8447868c RBP: ffffffff856d3100 R08: 0000000000000001 R09: ffffffff8769898f R10: fffffbfff0ed3131 R11: 0000000000000001 R12: ffff888008795dc0 R13: 0000000000000820 R14: 0000000000000000 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bf27000 CR3: 0000000005482000 CR4: 0000000000350ee0 Call Trace: kmem_cache_alloc_node+0x215/0x330 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb08/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:strlen+0x22/0xa0 Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 fd 53 48 c1 ea 03 48 83 ec 08 0f b6 04 02 <48> 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 50 80 7d 00 00 74 3d 48 bb RSP: 0018:ffff888042227510 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff88800d3fe990 RCX: ffffffff812d433b RDX: 1ffffffff090a7e4 RSI: ffff8880140c49d8 RDI: ffffffff84853f20 RBP: ffffffff84853f20 R08: 0000000000000000 R09: ffffffff85d0ff97 R10: fffffbfff0ba1ff2 R11: 0000000000000001 R12: 1ffff11008444eac R13: ffff8880422275e0 R14: ffffffff8550d5a0 R15: 0000000000000000 perf_trace_lock+0xc1/0x480 lock_release+0x4a9/0x710 _raw_spin_unlock+0x16/0x40 unmap_page_range+0x1206/0x2da0 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f945926cb19 Code: Unable to access opcode bytes at 0x7f945926caef. RSP: 002b:00007f94567c1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f9459380020 RCX: 00007f945926cb19 RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000007 RBP: 00007f94592c6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff435d259f R14: 00007f94567c1300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-rc5-next-20230127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc50 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 d5 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 6e 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84478edb RDX: fffffbfff0b48f89 RSI: 0000000000000004 RDI: ffffffff85a47c40 RBP: ffffffff85a47c40 R08: 0000000000000000 R09: ffffffff85a47c43 R10: fffffbfff0b48f88 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48f88 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde8785c000 CR3: 00000000068b6000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6de/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 83 dd 3c 00 fb f4 e9 9f 0e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85407e38 EFLAGS: 00000202 RAX: 0000000000327167 RBX: ffffffff8542a800 RCX: ffffffff84458ffe RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812835c0 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce34f83 R10: ffffed100d9c69f0 R11: 0000000000000001 R12: fffffbfff0a85500 R13: ffffffff85d0ff90 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x300/0x3d0 cpu_startup_entry+0x18/0x20 rest_init+0x166/0x290 arch_call_rest_init+0x13/0x40 start_kernel+0x372/0x530 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 86 b8 e5 fc callq 0xfce5b895 f: 48 89 ef mov %rbp,%rdi 12: e8 0e 35 e6 fc callq 0xfce63525 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 94 f5 0a fd callq 0xfd0af5b5 21: fb sti 22: 65 ff 0d f4 02 bc 7b decl %gs:0x7bbc02f4(%rip) # 0x7bbc031d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 27 28 00 00 jmpq 0x2859 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 1b 28 00 00 jmpq 0x2859 3e: 0f .byte 0xf