watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.6:11071] Modules linked in: irq event stamp: 4813051 hardirqs last enabled at (4813050): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4813051): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4800946): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4800949): [] __irq_exit_rcu+0x11b/0x190 CPU: 1 PID: 11071 Comm: syz-executor.6 Not tainted 6.1.0-rc3-next-20221101 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x83/0x100 Code: 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 <48> 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1 RSP: 0018:ffff88806d109580 EFLAGS: 00000246 RAX: fffffffffbdf5168 RBX: ffffffff859c25bc RCX: ffffffff817b773e RDX: 0000000000000000 RSI: ffffffff85cf0604 RDI: ffffffff859c25ac RBP: ffffffff859c25ac R08: ffffffff85cf0604 R09: ffffffff85cf7112 R10: ffffed100da212d6 R11: 0000000000036001 R12: ffffffff859c25cc R13: ffffffff859c25ac R14: ffffffff859c25ac R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff93c73ff8 CR3: 000000000f454000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x2ad/0x2140 arch_stack_walk+0x83/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 kasan_set_track+0x21/0x40 __kasan_slab_alloc+0x58/0x80 kmem_cache_alloc+0x1a9/0x3f0 __create_object+0x3d/0xc10 __kmem_cache_alloc_node+0x22f/0x3e0 __kmalloc_node_track_caller+0x3d/0xc0 __alloc_skb+0xe5/0x320 skb_copy+0x139/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:check_preemption_disabled+0x2a/0x190 Code: 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 a1 70 cc 7b 65 8b 1d 96 70 cc 7b 81 e3 ff ff ff 7f 31 ff <89> de 0f 1f 44 00 00 85 db 74 15 0f 1f 44 00 00 44 89 e0 5b 5d 41 RSP: 0018:ffff88804320f528 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000003 RCX: 1ffffffff09df315 RDX: 0000000000000001 RSI: ffffffff847edbc0 RDI: 0000000000000000 RBP: ffffffff847edc00 R08: 0000000000000000 R09: ffffffff8590bbd7 R10: fffffbfff0b2177a R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff847edbc0 R14: ffffffff85207aa0 R15: 0000000000000000 rcu_lockdep_current_cpu_online+0x35/0x150 rcu_read_lock_sched_held+0x29/0x90 lock_acquire+0x45e/0x540 folio_memcg_lock+0x3a/0x4b0 page_remove_rmap+0x1e/0x4a0 unmap_page_range+0x1c2d/0x2a50 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fabb9ae58ac Code: Unable to access opcode bytes at 0x7fabb9ae5882. RSP: 002b:00007fabb70a7020 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 0000000000000020 RBX: 00007fabb70a7110 RCX: 00007fabb9ae58ac RDX: 0000000000000020 RSI: 00007fabb70a7160 RDI: 0000000000000006 RBP: 0000000000000000 R08: 00007fabb70a7074 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007fabb70a70c8 R13: 00007fabb70a7160 R14: 0000000000000006 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11119 Comm: syz-executor.1 Not tainted 6.1.0-rc3-next-20221101 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memcpy-0xc/0x30 Code: 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 fd 0f 1f 44 00 00 48 89 ee 48 c7 c7 40 dc 7e 84 5d 27 fe ff ff cc cc cc cc cc cc cc 0f 1f 44 00 00 48 89 f8 48 89 RSP: 0018:ffff88806d009708 EFLAGS: 00000082 RAX: 0000000000000001 RBX: 1ffff1100da012e4 RCX: 0000000000005c06 RDX: 1ffff110085db12b RSI: ffffffff8466f880 RDI: ffffffff847edc40 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8720e807 R10: fffffbfff0e41d00 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85227448 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056004c59f850 CR3: 000000000cfd2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x1b2/0x540 ktime_get+0x7c/0x200 clockevents_program_event+0x14b/0x370 tick_program_event+0xac/0x150 hrtimer_interrupt+0x366/0x780 __sysvec_apic_timer_interrupt+0x144/0x510 sysvec_apic_timer_interrupt+0x3b/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc90 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ee 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806d009a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84391917 RDX: fffffbfff0ac8295 RSI: 0000000000000004 RDI: ffffffff856414a0 RBP: ffffffff856414a0 R08: 0000000000000000 R09: ffffffff856414a3 R10: fffffbfff0ac8294 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac8294 R14: 0000000000000001 R15: 1ffff1100da01346 do_raw_spin_lock+0x1dc/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:__tlb_remove_page_size+0x2/0x430 Code: fe ff ff e8 30 32 0c 00 eb a4 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 <41> 56 41 55 49 89 f5 41 54 55 53 48 89 fb e8 6b a3 d8 ff 48 8d 7b RSP: 0018:ffff88802ff576f0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff88802ff57ad8 RCX: 0000000000000000 RDX: 0000000000001000 RSI: ffffea0000f86b80 RDI: ffff88802ff57ad8 RBP: ffffea0000f86b80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: ffff8880431ae010 R13: 0000000000000002 R14: dffffc0000000000 R15: ffffea0000f86b80 unmap_page_range+0x1ca8/0x2a50 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f7312f9ab19 Code: Unable to access opcode bytes at 0x7f7312f9aaef. RSP: 002b:00007f7310510188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000006 RBX: 00007f73130adf60 RCX: 00007f7312f9ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f7312ff4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce717dbaf R14: 00007f7310510300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 01 d0 add %edx,%eax 2: 48 d1 f8 sar %rax 5: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx a: 48 89 d8 mov %rbx,%rax d: 48 c1 e8 03 shr $0x3,%rax 11: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx 16: 48 89 d8 mov %rbx,%rax 19: 83 e0 07 and $0x7,%eax 1c: 83 c0 03 add $0x3,%eax 1f: 38 d0 cmp %dl,%al 21: 7c 04 jl 0x27 23: 84 d2 test %dl,%dl 25: 75 50 jne 0x77 27: 48 63 03 movslq (%rbx),%rax * 2a: 48 01 d8 add %rbx,%rax <-- trapping instruction 2d: 48 39 c1 cmp %rax,%rcx 30: 73 b0 jae 0xffffffe2 32: 4c 8d 63 fc lea -0x4(%rbx),%r12 36: 49 39 ec cmp %rbp,%r12 39: 73 b3 jae 0xffffffee 3b: 4d 29 ee sub %r13,%r14 3e: 49 rex.WB 3f: c1 .byte 0xc1