loop3: detected capacity change from 0 to 40 vfat: Unknown parameter '' loop3: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.5:16500] Modules linked in: irq event stamp: 2414441 hardirqs last enabled at (2414440): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2414441): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2388048): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2388051): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 16500 Comm: syz-executor.5 Not tainted 6.13.0-rc3-next-20241218 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x18a/0x2490 Code: 00 00 48 81 f9 87 53 aa 84 0f 83 05 02 00 00 44 8b 15 3a 44 4a 04 48 89 ce 48 81 ee 00 00 00 81 48 c1 ee 08 41 8d 42 ff 39 c6 <0f> 83 bb 16 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 RSP: 0018:ffff88806cf09608 EFLAGS: 00000287 RAX: 000000000003aa54 RBX: 0000000000000001 RCX: ffffffff81a487bc RDX: dffffc0000000000 RSI: 000000000000a487 RDI: ffff88806cf09678 RBP: ffff88806cf096d0 R08: 0000000000000001 R09: ffff88806cf096b8 R10: 000000000003aa55 R11: 00000000000241cf R12: ffff88806cf096d8 R13: ffff88806cf096c0 R14: ffff88806cf096b9 R15: ffff88806cf09678 FS: 00007f76a7dee700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd235db2190 CR3: 000000001689c000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 b4 d5 ab ff 4d 85 ed 74 06 e8 4a 64 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff8880390d7770 EFLAGS: 00000246 RAX: 000000000023f5a1 RBX: ffffea00005bc100 RCX: 1ffffffff0fe1af1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a46566 RBP: ffff8880096d93c0 R08: 0000000000000001 R09: fffffbfff0fdf9e1 R10: ffffffff87efcf0f R11: 0000000000000000 R12: ffff88806cf434e0 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888016f06400 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 vm_area_dup+0x20/0x150 dup_mm+0x8b8/0x1ff0 copy_process+0x704e/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f76aa899b19 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:00007f76a7dee188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f76aa9ad020 RCX: 00007f76aa899b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000640 RBP: 00007f76aa8f3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe28e4d99f R14: 00007f76a7dee300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 81 f9 87 53 aa 84 cmp $0xffffffff84aa5387,%rcx 9: 0f 83 05 02 00 00 jae 0x214 f: 44 8b 15 3a 44 4a 04 mov 0x44a443a(%rip),%r10d # 0x44a4450 16: 48 89 ce mov %rcx,%rsi 19: 48 81 ee 00 00 00 81 sub $0xffffffff81000000,%rsi 20: 48 c1 ee 08 shr $0x8,%rsi 24: 41 8d 42 ff lea -0x1(%r10),%eax 28: 39 c6 cmp %eax,%esi * 2a: 0f 83 bb 16 00 00 jae 0x16eb <-- trapping instruction 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 89 f2 mov %esi,%edx 3c: 48 rex.W 3d: 8d .byte 0x8d 3e: 3c 95 cmp $0x95,%al