IPVS: ftp: loaded support on port[0] = 21 9pnet: Insufficient options for proto=fd Bluetooth: hci25: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.0:17596] Modules linked in: irq event stamp: 3703135 hardirqs last enabled at (3703134): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3703135): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3690384): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3690387): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3690387): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 17596 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:memcmp+0x3e/0xb0 lib/string.c:918 Code: ff df 53 48 89 fb 48 83 ec 10 eb 0d 48 83 c3 01 48 83 c6 01 49 39 dc 74 45 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 0f b6 04 28 <38> d0 7f 04 84 c0 75 54 48 89 f2 48 89 f1 0f b6 03 48 c1 ea 03 83 RSP: 0018:ffff8880ba007be0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff888096d7e800 RCX: 0000000000000030 RDX: 0000000000000000 RSI: ffff88809ac8e2da RDI: ffff888096d7e800 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888096d7e806 R13: ffff88803af0c540 R14: dffffc0000000000 R15: ffff88809ac8e2da FS: 00007f244349a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558918be11a0 CR3: 000000009bc38000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memcmp include/linux/string.h:418 [inline] rhashtable_compare include/linux/rhashtable.h:462 [inline] __rhashtable_lookup include/linux/rhashtable.h:484 [inline] rhltable_lookup include/linux/rhashtable.h:566 [inline] sta_info_hash_lookup+0x3e9/0x710 net/mac80211/sta_info.c:163 sta_info_get_bss+0xb1/0x340 net/mac80211/sta_info.c:200 __ieee80211_rx_handle_packet net/mac80211/rx.c:4542 [inline] ieee80211_rx_napi+0x106d/0x2470 net/mac80211/rx.c:4672 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__tlb_remove_page_size+0x30/0x470 mm/memory.c:308 Code: f6 41 55 41 54 55 89 d5 53 48 89 fb e8 b9 52 d7 ff 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 a8 03 00 00 4c 8b 63 18 31 ff 4c 89 e6 e8 1c 54 d7 ff 4d 85 RSP: 0018:ffff88801165f740 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88801165f9b8 RCX: ffffffff818ba0c8 RDX: 1ffff110022cbf3a RSI: ffffffff818b32b7 RDI: ffff88801165f9d0 RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000100 R13: ffffea00005f3f80 R14: ffffea00005f3f80 R15: 00007f244455d000 __tlb_remove_page include/asm-generic/tlb.h:161 [inline] zap_pte_range mm/memory.c:1353 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x14e7/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198 retint_user+0x8/0x18 RIP: 0033:0x7f2444f6a0b1 Code: Bad RIP value. RSP: 002b:00000000200000e0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f244508a120 RCX: 00007f2444f6a0a9 RDX: 0000000020000380 RSI: 00000000200000e0 RDI: 0000000000002000 RBP: 00007f2444fc5ae9 R08: 0000000020000440 R09: 0000000020000440 R10: 0000000020000400 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffcb8699e4f R14: 00007f244349a300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60