loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:9083] Modules linked in: irq event stamp: 2573195 hardirqs last enabled at (2573194): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2573195): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2546954): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2546957): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9083 Comm: syz-executor.2 Not tainted 6.12.0-next-20241119 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xa78/0x2490 Code: 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 84 c0 0f 84 9e f8 ff ff 48 8b 74 24 10 48 89 f7 e8 ab eb ff ff 48 89 ef <48> 8b 74 24 10 48 ba 00 00 00 00 00 fc ff df 48 c1 ef 03 48 8b 4c RSP: 0018:ffff88806cf094c8 EFLAGS: 00000202 RAX: ffffffff811a9b14 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09f01 RSI: ffff88806cf09fd8 RDI: ffff88806cf09590 RBP: ffff88806cf09590 R08: ffffffff86795b7a R09: ffff88806cf09578 R10: 000000000003c001 R11: 0000000000007ff9 R12: ffff88806cf09598 R13: ffff88806cf09580 R14: ffff88806cf09fe0 R15: ffff88806cf09538 FS: 00007f5e999d8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555605bc708 CR3: 0000000039c5c000 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_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/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:vmap_small_pages_range_noflush+0x626/0xc80 Code: 00 00 fc ff df 48 8d 1c c1 48 89 d8 48 c1 e8 03 80 3c 10 00 0f 85 a9 04 00 00 48 b9 00 00 00 00 00 fc ff df 48 89 e8 48 8b 1b <48> c1 e8 03 80 3c 08 00 0f 85 22 04 00 00 4c 8b 65 00 31 ff 49 83 RSP: 0018:ffff88801dcff840 EFLAGS: 00000246 RAX: ffff8880428a8fd0 RBX: ffffea00010c7e00 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: ffffffff8180227d RDI: 0000000000000006 RBP: ffff8880428a8fd0 R08: 0000000000000001 R09: ffff88803e1ddcb8 R10: ffffc90016ffa000 R11: 0000000000000000 R12: 8000000000000163 R13: 8000000000000163 R14: ffffc90016ffa000 R15: ffffffffffffffff __vmap_pages_range_noflush+0x193/0x1d0 __vmalloc_node_range_noprof+0x967/0x1490 __vmalloc_node_noprof+0xac/0xf0 kernel_read_file+0x64b/0x760 init_module_from_file+0xa1/0x130 idempotent_init_module+0x332/0x610 __x64_sys_finit_module+0xbd/0x130 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e9c462b19 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:00007f5e999d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00007f5e9c575f60 RCX: 00007f5e9c462b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f5e9c4bcf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4fbbb60f R14: 00007f5e999d8300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9086 Comm: syz-executor.1 Not tainted 6.12.0-next-20241119 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20 Code: b6 8e e4 ff e9 11 06 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 c1 04 00 00 48 89 c4 48 89 e7 e8 06 8e e4 ff e9 f1 05 00 00 90 0f 1e fa 0f 01 ca fc 6a ff e8 a1 04 00 00 48 89 c4 48 89 e7 e8 RSP: 0018:ffff88806ce09998 EFLAGS: 00000046 RAX: fffffbfff0c1b61c RBX: fffffbfff0c1b61d RCX: ffffffff8486e2bf RDX: fffffbfff0c1b61d RSI: 0000000000000004 RDI: ffffffff860db0e0 RBP: fffffbfff0c1b61c R08: 0000000000000000 R09: fffffbfff0c1b61c R10: ffffffff860db0e3 R11: 5050505001000011 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1b61c R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dc62f23618 CR3: 00000000070f2000 CR4: 0000000000350ef0 Call Trace: RIP: 0010:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 8e 07 fb 02 48 29 c3 48 89 RSP: 0018:ffff88806ce099c0 EFLAGS: 00000246 ---------------- Code disassembly (best guess): 0: 89 4c 24 18 mov %ecx,0x18(%rsp) 4: 48 89 74 24 10 mov %rsi,0x10(%rsp) 9: e8 c4 f3 ff ff callq 0xfffff3d2 e: 4d 8d 4f 40 lea 0x40(%r15),%r9 12: 84 c0 test %al,%al 14: 0f 84 9e f8 ff ff je 0xfffff8b8 1a: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 1f: 48 89 f7 mov %rsi,%rdi 22: e8 ab eb ff ff callq 0xffffebd2 27: 48 89 ef mov %rbp,%rdi * 2a: 48 8b 74 24 10 mov 0x10(%rsp),%rsi <-- trapping instruction 2f: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 36: fc ff df 39: 48 c1 ef 03 shr $0x3,%rdi 3d: 48 rex.W 3e: 8b .byte 0x8b 3f: 4c rex.WR