watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:120050] Modules linked in: irq event stamp: 4523141 hardirqs last enabled at (4523140): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4523141): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4516256): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4516259): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 120050 Comm: syz-executor.6 Not tainted 6.1.0-rc7-next-20221205 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0xfc/0x130 Code: 60 02 87 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 50 2f c3 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c6 41 02 00 45 31 ed eb RSP: 0018:ffff88806cf094b0 EFLAGS: 00000292 RAX: 0000000000000001 RBX: 0000000000000006 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000103 RDI: 0000000000000000 RBP: ffffffff85608780 R08: 0000000000000000 R09: ffffffff85d07c17 R10: fffffbfff0ba0f82 R11: 0000000000000001 R12: ffff88804adb3580 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88804adb3fa8 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2be29000 CR3: 00000000192d0000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_read_lock_sched_held+0x42/0x80 lock_release+0x54b/0x750 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc10 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire+0x1df/0x530 Code: 03 b8 ff ff ff ff 65 0f c1 05 15 65 d6 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88804d777588 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11009aeeeb3 RCX: 00000000eb241a10 RDX: 1ffff110095b67db RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8762d8c7 R10: fffffbfff0ec5b18 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85608840 R15: 0000000000000000 folio_memcg_lock+0x3e/0x4a0 page_remove_rmap+0x57/0x620 unmap_page_range+0x1fdf/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f91d0740b19 Code: Unable to access opcode bytes at 0x7f91d0740aef. RSP: 002b:00007f91cdcb6218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f91d0853f68 RCX: 00007f91d0740b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f91d0853f68 RBP: 00007f91d0853f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91d0853f6c R13: 00007ffd77c6ec8f R14: 00007f91cdcb6300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc7-next-20221205 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 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 ce 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:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff844179bb RDX: fffffbfff0b483c1 RSI: 0000000000000004 RDI: ffffffff85a41e00 RBP: ffffffff85a41e00 R08: 0000000000000000 R09: ffffffff85a41e03 R10: fffffbfff0b483c0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b483c0 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5584b48010 CR3: 000000001bdcc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 62 01 fe cc cc cc cc cc cc cc cc 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 b3 28 41 00 fb f4 70 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffffff85407e20 EFLAGS: 00000202 RAX: ffffffff84415580 RBX: ffffffff854328c0 RCX: ffffffff843f6002 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce34f03 R10: ffffed100d9c69e0 R11: 0000000000000001 R12: fffffbfff0a86518 R13: ffffffff85d07c10 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 rest_init+0x166/0x260 arch_call_rest_init+0x13/0x2c start_kernel+0x4a2/0x4c7 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 02 87 84 e8 b5 0e add 0xeb5e884(%rdi),%al 6: 00 00 add %al,(%rax) 8: b8 ff ff ff ff mov $0xffffffff,%eax d: 65 0f c1 05 50 2f c3 xadd %eax,%gs:0x7bc32f50(%rip) # 0x7bc32f65 14: 7b 15: 83 f8 01 cmp $0x1,%eax 18: 75 26 jne 0x40 1a: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 21: 00 22: 74 01 je 0x25 24: fb sti 25: 48 83 c4 08 add $0x8,%rsp * 29: 44 89 e8 mov %r13d,%eax <-- trapping instruction 2c: 5b pop %rbx 2d: 5d pop %rbp 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: 41 5f pop %r15 36: e9 c6 41 02 00 jmpq 0x24201 3b: 45 31 ed xor %r13d,%r13d 3e: eb .byte 0xeb