watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.6:4634] Modules linked in: irq event stamp: 5145491 hardirqs last enabled at (5145490): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5145491): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5094842): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5094845): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 4634 Comm: syz-executor.6 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x4e/0xa0 Code: 7e 59 8b 03 85 c0 75 09 31 c0 5b 5d e9 ff 2f 2e 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 36 48 8b 7b 58 e8 77 ea 0b 00 85 c0 74 cf 48 b8 00 00 00 00 00 RSP: 0018:ffff88806ce09658 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806ce09670 RCX: 0000000000000000 RDX: 1ffff1100d9c12d9 RSI: ffff88800fc6f6f0 RDI: ffff88806ce09670 RBP: ffff88806ce096c8 R08: ffffffff86051af0 R09: ffffffff86051af4 R10: ffff88806ce09ff8 R11: ffff88806ce096b0 R12: ffff88806ce09738 R13: 0000000000000000 R14: ffff888020099ac0 R15: 00000000000000f0 FS: 00007fc9d3b86700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005642ff91e118 CR3: 000000000cb3e000 CR4: 0000000000350ef0 Call Trace: 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/0xc40 kmem_cache_alloc_node+0x283/0x420 __alloc_skb+0x21a/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/0xc70 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_release+0x3e1/0x750 Code: ff ff ff ff 65 0f c1 05 75 aa d6 7e 83 f8 01 0f 85 b1 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88800fc6f5c8 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 440458de1b33b369 RCX: ffff88800fc6f618 RDX: 1ffff11004013482 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff11001f8debb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000003 R14: ffff88802009a418 R15: ffff888020099ac0 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x48/0xc0 __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/0xc40 kmem_cache_alloc_bulk+0x41a/0x780 mas_alloc_nodes+0x2ff/0x800 mas_preallocate+0x1bf/0x370 mmap_region+0x769/0x1c20 do_mmap+0x82c/0xf50 ioctx_alloc+0x838/0x1eb0 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc9d6610b19 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:00007fc9d3b86188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007fc9d6723f60 RCX: 00007fc9d6610b19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007fc9d666af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6c61addf R14: 00007fc9d3b86300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc1-next-20221226 #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 de 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:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8440b92b RDX: fffffbfff0b48571 RSI: 0000000000000004 RDI: ffffffff85a42b80 RBP: ffffffff85a42b80 R08: 0000000000000000 R09: ffffffff85a42b83 R10: fffffbfff0b48570 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48570 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005642ff942630 CR3: 000000000e99a000 CR4: 0000000000350ee0 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/0xc70 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: 70 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 43 e9 41 00 fb f4 80 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff888008df7e58 EFLAGS: 00000206 RAX: ffffffff844094f0 RBX: ffff888008d85040 RCX: ffffffff843ea842 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf34f03 R10: ffffed100d9e69e0 R11: 0000000000000001 R12: ffffed10011b0a08 R13: ffffffff85d09410 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 start_secondary+0x1cc/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 7e 59 jle 0x5b 2: 8b 03 mov (%rbx),%eax 4: 85 c0 test %eax,%eax 6: 75 09 jne 0x11 8: 31 c0 xor %eax,%eax a: 5b pop %rbx b: 5d pop %rbp c: e9 ff 2f 2e 03 jmpq 0x32e3010 11: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 18: fc ff df 1b: 48 8d 6b 58 lea 0x58(%rbx),%rbp 1f: 48 89 ea mov %rbp,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 75 36 jne 0x62 <-- trapping instruction 2c: 48 8b 7b 58 mov 0x58(%rbx),%rdi 30: e8 77 ea 0b 00 callq 0xbeaac 35: 85 c0 test %eax,%eax 37: 74 cf je 0x8 39: 48 rex.W 3a: b8 00 00 00 00 mov $0x0,%eax