IPVS: ftp: loaded support on port[0] = 21 Bluetooth: hci0: command 0x0419 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:15423] Modules linked in: irq event stamp: 3742665 hardirqs last enabled at (3742664): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3742665): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3689414): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3689417): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3689417): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 15423 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:deref_stack_reg+0x4d/0x1d0 arch/x86/kernel/unwind_orc.c:330 Code: 08 b3 8a b5 41 48 8d 5c 24 08 48 c7 44 24 10 35 af b6 89 48 c1 eb 03 48 c7 44 24 18 20 7f 29 81 48 8d 14 03 c7 02 f1 f1 f1 f1 42 04 00 f3 f3 f3 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4c RSP: 0018:ffff8880ba007148 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11017400e2a RCX: ffffffff8b93e92b RDX: ffffed1017400e2a RSI: ffff8880ba007e10 RDI: ffff8880ba007310 RBP: ffff8880ba007e10 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba00736f R11: 0000000000074071 R12: ffff8880ba007310 R13: ffff8880ba007350 R14: ffff8880ba007310 R15: ffffffff8b93e926 FS: 00007f4316be1700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0xf83/0x1400 arch/x86/kernel/unwind_orc.c:555 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x151/0x3b0 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] __neigh_notify+0x84/0x160 net/core/neighbour.c:2915 neigh_cleanup_and_release+0x71/0xd0 net/core/neighbour.c:106 neigh_del+0x1e5/0x2b0 net/core/neighbour.c:142 neigh_forced_gc net/core/neighbour.c:191 [inline] neigh_alloc net/core/neighbour.c:317 [inline] __neigh_create+0xd72/0x1c40 net/core/neighbour.c:501 ip6_finish_output2+0x8cc/0x2290 net/ipv6/ip6_output.c:117 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:page_remove_rmap+0xe6/0x120 mm/rmap.c:1328 Code: 90 51 d2 ff 48 89 ef e8 f8 86 ff ff 5b 5d 41 5c 41 5d 41 5e e9 7b 51 d2 ff e8 76 51 d2 ff 0f b6 f3 48 89 ef e8 ab 7c ff ff 5b <5d> 41 5c 41 5d 41 5e e9 5e 51 d2 ff e8 59 51 d2 ff 4d 8d 66 ff e9 RSP: 0018:ffff888037947a00 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100a2581d6 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: ffffea0001405540 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f4317c77000 zap_pte_range mm/memory.c:1350 [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+0x147d/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 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f431826c279 Code: Bad RIP value. RSP: 002b:00007f4316bdff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f4316be00d0 RCX: 00007f431826c279 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 00007f43182c5153 R08: 000000000000001e R09: 00007f4316be00d0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f43182b5578 R13: 0000000000000016 R14: 00000000000000a8 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9442 Comm: kworker/u4:7 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:queued_write_lock_slowpath+0x114/0x290 kernel/locking/qrwlock.c:88 Code: 49 89 df 4c 8d 74 24 28 48 c1 ea 03 41 83 e7 07 4c 8d 2c 02 41 83 c7 03 41 0f b6 45 00 41 38 c7 7c 08 84 c0 0f 85 34 01 00 00 <8b> 03 3d 00 01 00 00 74 1a f3 90 41 0f b6 45 00 41 38 c7 7c eb 84 RSP: 0018:ffff8880ba107678 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff8af113c0 RCX: ffffffff814bfec6 RDX: 1ffffffff15e2278 RSI: 0000000000000004 RDI: ffffffff8af113c0 RBP: 1ffff11017420ed0 R08: 0000000000000001 R09: fffffbfff15e2278 R10: ffffffff8af113c3 R11: 0000000000000000 R12: ffffffff8af113c4 R13: fffffbfff15e2278 R14: ffff8880ba1076a0 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0012dbf40 CR3: 000000008f10a000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queued_write_lock include/asm-generic/qrwlock.h:103 [inline] do_raw_write_lock+0xcf/0x1e0 kernel/locking/spinlock_debug.c:203 __neigh_create+0x7d9/0x1c40 net/core/neighbour.c:536 ip6_finish_output2+0x8cc/0x2290 net/ipv6/ip6_output.c:117 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 09 2e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff888058adfc58 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff888093a0c640 RCX: f29eea6e1ff5d35b RDX: dffffc0000000000 RSI: 00000000ea9a094e RDI: 0000000000000286 RBP: ffffffff89f85fa0 R08: 000000001e758529 R09: 0000000000000002 R10: ffff888093a0cf18 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x12d/0xd50 net/batman-adv/network-coding.c:730 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415