watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.5:8133] Modules linked in: irq event stamp: 2243723 hardirqs last enabled at (2243722): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2243723): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2220506): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2220509): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 8133 Comm: syz-executor.5 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x5b/0xa0 Code: ab e4 6f 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 b7 5d 0d 00 85 c0 <74> cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 RSP: 0018:ffff88806cf08fd0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806cf08fe8 RCX: 0000000000000001 RDX: 1ffff1100d9e1208 RSI: ffff88806cf091b8 RDI: ffffffff818e5e5d RBP: ffff88806cf09040 R08: 0000000000000001 R09: ffff88806cf09028 R10: 000000000003c001 R11: 0000000000024b43 R12: ffff88806cf090b0 R13: 0000000000000000 R14: ffff888037b21b80 R15: ffffffff845e995c FS: 00007f1ed02be700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56ec46b000 CR3: 000000002b602000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:free_unref_page+0x2e8/0xc40 Code: 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 1f 48 89 dd 48 c1 ed 3a 48 8d 3c ed 60 dd 61 88 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 76 07 00 00 48 c1 eb 38 48 8b 0c ed 60 dd 61 88 83 e3 03 48 RSP: 0018:ffff88803981fac0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0100000000000000 RCX: 0000000000000030 RDX: 1ffffffff10c3bac RSI: 1ffff1100fffae94 RDI: ffffffff8861dd60 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed100730c000 R11: 00000000000007e0 R12: 0000000000000000 R13: 0000000000039860 R14: 0000000000000003 R15: ffffea0000e61800 __put_partials+0xd8/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __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 sk_prot_alloc+0x5f/0x280 sk_alloc+0x34/0xb50 inet6_create+0x340/0x11c0 __sock_create+0x369/0x840 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1ed2d48b19 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:00007f1ed02be188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f1ed2e5bf60 RCX: 00007f1ed2d48b19 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007f1ed2da2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe898b6c8f R14: 00007f1ed02be300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 247 Comm: sshd Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x1791/0x4360 Code: 35 ff ff 48 b8 eb 83 b5 80 46 86 c8 61 49 0f af c5 48 c1 e8 31 48 89 44 24 08 48 8d 04 c5 00 8e e8 87 48 89 c2 48 89 44 24 10 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 b6 23 RSP: 0018:ffff88806ce09880 EFLAGS: 00000012 RAX: ffffffff87eb2698 RBX: ffffffff87eebbb0 RCX: ffffffff812ef5ee RDX: ffffffff87eb2698 RSI: 0000000000000008 RDI: ffffffff87ed4ed8 RBP: ffff88800a2e5280 R08: 0000000000000000 R09: fffffbfff0fda9db R10: ffffffff87ed4edf R11: 00000000000c2f81 R12: ffff88800a2e5ce8 R13: 2915ccb8db08a731 R14: ffffffff863f34b4 R15: 0000000000000001 FS: 00007f51e4ee4900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc435dc5318 CR3: 000000000b74e000 CR4: 0000000000350ef0 Call Trace: lock_acquire.part.0+0xeb/0x320 napi_skb_cache_put+0x122/0x630 napi_gro_receive+0xa1d/0xbb0 e1000_clean_rx_irq+0x7e1/0x11a0 e1000_clean+0x963/0x2500 __napi_poll+0xb9/0x540 net_rx_action+0xa06/0xe00 handle_softirqs+0x1b1/0x770 do_softirq+0x48/0x80 __local_bh_enable_ip+0xf1/0x110 tcp_sendmsg+0x21/0x50 inet_sendmsg+0xb9/0x150 sock_write_iter+0x4cb/0x5c0 vfs_write+0xbcc/0x1090 ksys_write+0x1ed/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f51e53c6f33 Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007ffca7b01d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000055ea62cd9fc0 RCX: 00007f51e53c6f33 RDX: 0000000000000415 RSI: 000055ea62ce5480 RDI: 000000000000000a RBP: 000055ea62cc3f00 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f51e5a5b0f0 R11: 0000000000000246 R12: 000055ea62cbea10 R13: 000055ea62cbf490 R14: 000055ea62ce5480 R15: 0000000000000415 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 7: fc ff df a: 48 8d 6b 58 lea 0x58(%rbx),%rbp e: 48 89 ea mov %rbp,%rdx 11: 48 c1 ea 03 shr $0x3,%rdx 15: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 19: 75 36 jne 0x51 1b: 48 8b 7b 58 mov 0x58(%rbx),%rdi 1f: e8 b7 5d 0d 00 callq 0xd5ddb 24: 85 c0 test %eax,%eax * 26: 74 cf je 0xfffffff7 <-- trapping instruction 28: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 2f: fc ff df 32: 48 89 ea mov %rbp,%rdx 35: 48 c1 ea 03 shr $0x3,%rdx 39: 80 .byte 0x80 3a: 3c 02 cmp $0x2,%al