loop5: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.3:11309] Modules linked in: irq event stamp: 4715213 hardirqs last enabled at (4715212): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4715213): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4641284): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (4641287): [] irq_exit_rcu+0x11f/0x190 CPU: 0 PID: 11309 Comm: syz-executor.3 Not tainted 6.2.0-rc4-next-20230120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 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 RSP: 0018:ffff88806ce09638 EFLAGS: 00000216 RAX: 1ffffffff0c02db2 RBX: ffffffff86016d90 RCX: ffffffff84425d1e RDX: 0000000000000000 RSI: ffffffff86471776 RDI: ffffffff86016d80 RBP: ffffffff86016d80 R08: ffffffff86471776 R09: ffffffff86368496 R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffffffff86016da0 R13: ffffffff86016d80 R14: ffffffff86016d80 R15: dffffc0000000000 FS: 00007f2d2e926700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3092d000 CR3: 000000003e028000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x300 __create_object+0x3d/0xc40 kmem_cache_alloc_node+0x215/0x310 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d3/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:kmem_cache_alloc+0x42/0x300 Code: 8b 1d b6 22 54 04 44 8b 7f 1c 65 48 8b 04 25 28 00 00 00 48 89 44 24 10 31 c0 4c 8b 6c 24 48 21 f3 89 df e8 d0 e5 f7 ff 89 df f9 e3 f7 ff f6 c7 04 0f 85 61 02 00 00 89 de 4c 89 e7 e8 66 d9 RSP: 0018:ffff88803f7dfca8 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000092cc0 RCX: ffff88803f7dfc30 RDX: 1ffff11002c657da RSI: 0000000000000000 RDI: 0000000000092cc0 RBP: ffff888045c30000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800844f780 R13: ffffffff8180dd6d R14: 0000000000092cc0 R15: 00000000000000f0 __create_object+0x3d/0xc40 kmem_cache_alloc_lru+0x2a8/0x570 sock_alloc_inode+0x27/0x1d0 alloc_inode+0x63/0x240 new_inode_pseudo+0x17/0x80 sock_alloc+0x40/0x270 __sock_create+0xc1/0x7e0 __sys_socket+0x137/0x250 __x64_sys_socket+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f2d313b0b19 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:00007f2d2e926188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f2d314c3f60 RCX: 00007f2d313b0b19 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 00007f2d3140af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9288a8ff R14: 00007f2d2e926300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11333 Comm: syz-executor.6 Not tainted 6.2.0-rc4-next-20230120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__this_cpu_preempt_check+0x0/0x20 Code: 44 00 00 48 c7 c6 a0 17 9f 84 48 c7 c7 e0 17 9f 84 e9 54 fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 fd 0f 1f 44 00 00 48 89 ee 48 c7 c7 20 18 9f RSP: 0018:ffff88806cf099d0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8560ae60 RDI: ffffffff84870a20 RBP: ffffffff8560ae60 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888045060000 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8880450609d8 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a5f65e6648 CR3: 000000000efc6000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_is_held_type+0xdb/0x130 rcu_read_lock_sched_held+0x42/0x80 __hrtimer_run_queues+0x9e6/0xcb0 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x510 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:mac80211_hwsim_monitor_rx+0x1ac/0x820 Code: 8d 5e 38 48 89 df e8 33 e0 7e fe 48 89 d9 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 bb 05 00 00 49 8b 5e 38 <31> ff 83 e3 01 89 de e8 a8 f3 4a fe 84 db 75 13 48 83 c4 10 5b 5d RSP: 0018:ffff88806cf09ca8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 1ffff110013fac07 RDX: ffffed10013fac08 RSI: 0000000000000008 RDI: ffff888009fd6038 RBP: ffff88801a09ddc0 R08: 0000000000000000 R09: ffff888009fd603f R10: ffffed10013fac07 R11: 0000000000000001 R12: ffff88804482df38 R13: 000000000000000a R14: ffff888009fd6000 R15: ffff88804482b3a0 mac80211_hwsim_tx_frame+0xde/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+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:get_page_from_freelist+0x4f7/0x2d50 Code: d2 0f 85 26 28 00 00 8b 84 24 b4 00 00 00 48 8b 0c 24 4c 89 7c 24 50 8b b4 24 80 00 00 00 44 8b a4 24 b0 00 00 00 66 d1 79 4c <44> 8d 34 30 49 8d 46 05 48 c1 e0 04 48 01 c8 48 89 44 24 28 48 8d RSP: 0018:ffff8880455873e0 EFLAGS: 00000256 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88806cf3f6c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806cf3f70c RBP: ffff88807ffdc980 R08: 0000000000000000 R09: ffffffff8765b947 R10: fffffbfff0ecb728 R11: 0000000000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000697 R15: ffff88807ffdc500 __alloc_pages+0x1cb/0x510 alloc_pages+0x1a0/0x260 __get_free_pages+0x10/0xb0 __tlb_remove_page_size+0x2b2/0x480 unmap_page_range+0x109e/0x2d90 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x225/0x370 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb5a1536b19 Code: Unable to access opcode bytes at 0x7fb5a1536aef. RSP: 002b:00007fb59eaac188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007fb5a1649f60 RCX: 00007fb5a1536b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007fb5a1590f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcbb7f0b1f R14: 00007fb59eaac300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 72 4d jb 0x4f 2: 4c 89 e0 mov %r12,%rax 5: 48 29 e8 sub %rbp,%rax 8: 48 89 c2 mov %rax,%rdx b: 48 c1 e8 3f shr $0x3f,%rax f: 48 c1 fa 02 sar $0x2,%rdx 13: 48 01 d0 add %rdx,%rax 16: 48 d1 f8 sar %rax 19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx * 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 04 jl 0x3b 37: 84 d2 test %dl,%dl 39: 75 50 jne 0x8b 3b: 48 63 03 movslq (%rbx),%rax 3e: 48 rex.W 3f: 01 .byte 0x1