EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.1:11487] Modules linked in: irq event stamp: 2731307 hardirqs last enabled at (2731306): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2731307): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2704610): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2704613): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 11487 Comm: syz-executor.1 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x80 Code: 90 90 f3 0f 1e fa 48 8b 34 24 65 48 8b 15 90 a4 b1 7e 65 8b 05 91 a4 b1 7e a9 00 01 ff 00 74 27 f6 c4 01 74 1d a9 00 00 0f 00 <75> 16 a9 00 00 f0 00 74 05 e9 ca 06 35 03 8b 82 ec 14 00 00 85 c0 RSP: 0018:ffff88806cf09a00 EFLAGS: 00000246 RAX: 0000000000000101 RBX: ffff88802b49cc40 RCX: ffffffff845f1f72 RDX: ffff8880153eb700 RSI: ffffffff845f1fc8 RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff0fdddec R10: 0000000000000001 R11: 0001000000000000 R12: ffff88802b49e5f8 R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000002 FS: 00007f360159b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560d9f21d060 CR3: 000000000dfdc000 CR4: 0000000000350ef0 Call Trace: __iterate_interfaces+0x118/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb21/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 91 a0 ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88803f607450 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d000c RCX: 00000000000d000d RDX: ffff8880097d44a0 RSI: ffffea000025f500 RDI: 0000000000089800 RBP: ffff88803f6074f0 R08: 0000000000000001 R09: 00000000000d000c R10: ffffea000025f501 R11: 0000000000000000 R12: ffffea000025f500 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __proc_create+0x2b7/0x8d0 proc_create_reg+0xb6/0x180 proc_create_data+0x89/0x1a0 cache_register_net+0x1de/0x5e0 unix_gid_cache_create+0x8b/0x130 sunrpc_init_net+0x76/0x190 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3604025b19 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:00007f360159b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f3604138f60 RCX: 00007f3604025b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f360407ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3de2f42f R14: 00007f360159b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806ce099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8486f2bf RDX: fffffbfff0c1b639 RSI: 0000000000000004 RDI: ffffffff860db1c0 RBP: ffffffff860db1c0 R08: 0000000000000000 R09: fffffbfff0c1b638 R10: ffffffff860db1c3 R11: 5050505001000011 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1b638 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560d9f223618 CR3: 0000000012d28000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d e9 b0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 000000000025c15b RBX: 0000000000000000 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863f9410 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: f3 0f 1e fa endbr64 6: 48 8b 34 24 mov (%rsp),%rsi a: 65 48 8b 15 90 a4 b1 mov %gs:0x7eb1a490(%rip),%rdx # 0x7eb1a4a2 11: 7e 12: 65 8b 05 91 a4 b1 7e mov %gs:0x7eb1a491(%rip),%eax # 0x7eb1a4aa 19: a9 00 01 ff 00 test $0xff0100,%eax 1e: 74 27 je 0x47 20: f6 c4 01 test $0x1,%ah 23: 74 1d je 0x42 25: a9 00 00 0f 00 test $0xf0000,%eax * 2a: 75 16 jne 0x42 <-- trapping instruction 2c: a9 00 00 f0 00 test $0xf00000,%eax 31: 74 05 je 0x38 33: e9 ca 06 35 03 jmpq 0x3350702 38: 8b 82 ec 14 00 00 mov 0x14ec(%rdx),%eax 3e: 85 c0 test %eax,%eax