blktrace: Concurrent blktraces are not allowed on sg0 netlink: 228 bytes leftover after parsing attributes in process `syz-executor.0'. watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.7:5836] Modules linked in: irq event stamp: 5861791 hardirqs last enabled at (5861790): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5861791): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5846536): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5846539): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5836 Comm: syz-executor.7 Not tainted 6.1.0-rc5-next-20221117 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__create_object+0x394/0xc00 Code: 00 00 00 00 e8 ed e0 a9 02 e8 48 ef ff ff 49 8d bf c8 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 14 11 <84> d2 74 09 80 fa 03 0f 8e 80 05 00 00 41 89 87 c8 00 00 00 48 c7 RSP: 0018:ffff88806cf09ac8 EFLAGS: 00000216 RAX: 00000000059b01b2 RBX: 00000000000000f0 RCX: 1ffff11001ef108b RDX: 0000000000000000 RSI: ffff88806cf09a4c RDI: ffff88800f788458 RBP: ffff88803ec95780 R08: 000000000000000b R09: ffff8880311519b0 R10: ffff88806ca79c18 R11: 0000000000038001 R12: ffff88800f7883d8 R13: 0000000000000000 R14: ffff88800f78846c R15: ffff88800f788390 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b3916c890 CR3: 0000000009a66000 CR4: 0000000000350ee0 Call Trace: kmem_cache_alloc_node+0x282/0x420 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3de/0x1380 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 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_is_held_type+0xfc/0x130 Code: 20 fe 86 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 48 8a c4 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 46 42 02 00 45 31 ed eb RSP: 0018:ffff888042957578 EFLAGS: 00000286 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff85608400 R08: 0000000000000006 R09: 00007f3adbb0c000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800ffa1ac0 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88800ffa2420 __schedule+0x157/0x25d0 preempt_schedule_common+0x45/0xc0 __cond_resched+0x1b/0x30 unmap_page_range+0xd7d/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+0x21a5/0x22e0 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: 0033:0x7f3addbb8c27 Code: Unable to access opcode bytes at 0x7f3addbb8bfd. RSP: 002b:00007f3adb12efa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3addbb8c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f3adb12f040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f3adb12f000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: e8 ed e0 a9 02 callq 0x2a9e0f6 9: e8 48 ef ff ff callq 0xffffef56 e: 49 8d bf c8 00 00 00 lea 0xc8(%r15),%rdi 15: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 1c: fc ff df 1f: 48 89 f9 mov %rdi,%rcx 22: 48 c1 e9 03 shr $0x3,%rcx 26: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx * 2a: 84 d2 test %dl,%dl <-- trapping instruction 2c: 74 09 je 0x37 2e: 80 fa 03 cmp $0x3,%dl 31: 0f 8e 80 05 00 00 jle 0x5b7 37: 41 89 87 c8 00 00 00 mov %eax,0xc8(%r15) 3e: 48 rex.W 3f: c7 .byte 0xc7