IPVS: ftp: loaded support on port[0] = 21 NET: Registered protocol family 30 cache_from_obj: Wrong slab cache. TIPC but object is from kmalloc-2048 WARNING: CPU: 1 PID: 8435 at mm/slab.h:380 cache_from_obj mm/slab.h:378 [inline] WARNING: CPU: 1 PID: 8435 at mm/slab.h:380 cache_from_obj mm/slab.h:357 [inline] WARNING: CPU: 1 PID: 8435 at mm/slab.h:380 kmem_cache_free.cold+0x1c/0x23 mm/slab.c:3757 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8435 Comm: ps Not tainted 4.19.46 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x263/0x507 kernel/panic.c:185 __warn.cold+0x20/0x4a kernel/panic.c:540 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1013 RIP: 0010:cache_from_obj mm/slab.h:380 [inline] RIP: 0010:cache_from_obj mm/slab.h:357 [inline] RIP: 0010:kmem_cache_free.cold+0x1c/0x23 mm/slab.c:3757 Code: e8 25 8d 47 05 44 8b 6d c4 e9 74 a5 ff ff 48 8b 48 58 48 c7 c6 40 45 54 87 48 c7 c7 18 64 38 88 49 8b 54 24 58 e8 34 43 b4 ff <0f> 0b e9 89 df ff ff 49 8b 4f 58 48 c7 c6 40 45 54 87 48 c7 c7 18 RSP: 0018:ffff8880ae907cf8 EFLAGS: 00010286 RAX: 0000000000000046 RBX: ffff8880851de9c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81559e76 RDI: ffffed1015d20f91 RBP: ffff8880ae907d18 R08: 0000000000000046 R09: ffffed1015d24fe9 R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffff888071106000 R13: 0000000000000000 R14: ffff888071106000 R15: ffff8880851decd0 sk_prot_free net/core/sock.c:1504 [inline] __sk_destruct+0x4b4/0x6d0 net/core/sock.c:1588 sk_destruct+0x7b/0x90 net/core/sock.c:1596 __sk_free+0xce/0x300 net/core/sock.c:1607 sk_free+0x42/0x50 net/core/sock.c:1618 sock_put include/net/sock.h:1702 [inline] tipc_sk_callback+0x48/0x60 net/tipc/socket.c:495 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 IPVS: ftp: loaded support on port[0] = 21 __do_softirq+0x25c/0x921 kernel/softirq.c:292 Failed to register TIPC socket type invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 list_add double add: new=ffffffff892e71b0, prev=ffffffff890f2d80, next=ffffffff892e71b0. RIP: 0010:_vm_normal_page+0x87/0x3c0 mm/memory.c:822 Code: f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 89 55 98 e8 88 c4 d6 ff 48 8d 7d 98 48 89 f8 48 c1 e8 03 80 3c 18 00 <0f> 85 dc 02 00 00 48 c7 c0 98 b8 4a 88 49 8b 5d c0 48 ba 00 00 00 ------------[ cut here ]------------ RSP: 0018:ffff8880a4417938 EFLAGS: 00000246 kernel BUG at lib/list_debug.c:29! IPVS: ftp: loaded support on port[0] = 21 ORIG_RAX: ffffffffffffff13 RAX: 1ffff11014882f2d RBX: dffffc0000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff81943af8 RDI: ffff8880a4417968 RBP: ffff8880a44179d0 R08: ffff8880955a40c0 R09: fffff9400005815f R10: fffff9400005815e R11: ffffea00002c0af3 R12: 1ffff11014882f29 R13: ffff8880a44179a8 R14: ffff88809fefb778 R15: ffff888073711768 invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8632 Comm: syz-executor.3 Not tainted 4.19.46 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 Code: 56 ff ff ff 4c 89 e1 48 c7 c7 a0 ae 81 87 e8 00 03 31 fe 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 e0 af 81 87 e8 e9 02 31 fe <0f> 0b 48 89 f1 48 c7 c7 60 af 81 87 4c 89 e6 e8 d5 02 31 fe 0f 0b zap_pte_range mm/memory.c:1311 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x985/0x1e20 mm/memory.c:1511 RSP: 0018:ffff88808cb6fb88 EFLAGS: 00010282 RAX: 0000000000000058 RBX: ffffffff892e7020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81559e76 RDI: ffffed101196df63 RBP: ffff88808cb6fba0 R08: 0000000000000058 R09: ffff8880a54f49c8 unmap_single_vma+0x19d/0x300 mm/memory.c:1556 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff892e71b0 unmap_vmas+0xae/0x180 mm/memory.c:1586 R13: ffffffff892e71b0 R14: ffffffff892e71b0 R15: ffffffff892e7150 exit_mmap+0x2c2/0x530 mm/mmap.c:3097 FS: 0000000001a9b940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046e880 CR3: 0000000082839000 CR4: 00000000001406f0 Call Trace: __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] proto_register+0x459/0x8e0 net/core/sock.c:3299 __mmput kernel/fork.c:1010 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1031 tipc_socket_init+0x1c/0x70 net/tipc/socket.c:3157 exit_mm kernel/exit.c:546 [inline] do_exit+0x838/0x2fa0 kernel/exit.c:863 tipc_init_net+0x2ed/0x570 net/tipc/core.c:69 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2d3/0x740 net/core/net_namespace.c:315 copy_net_ns+0x1df/0x340 net/core/net_namespace.c:438 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206 do_group_exit+0x135/0x370 kernel/exit.c:979 ksys_unshare+0x440/0x980 kernel/fork.c:2525 __do_sys_exit_group kernel/exit.c:990 [inline] __se_sys_exit_group kernel/exit.c:988 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:988 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe39acba1e8 Code: Bad RIP value. RSP: 002b:00007ffd81deab68 EFLAGS: 00000246 __do_sys_unshare kernel/fork.c:2593 [inline] __se_sys_unshare kernel/fork.c:2591 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2591 ORIG_RAX: 00000000000000e7 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe39acba1e8 entry_SYSCALL_64_after_hwframe+0x49/0xbe RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 RIP: 0033:0x45bd47 RBP: 00007fe39af8f840 R08: 00000000000000e7 R09: ffffffffffffffa8 Code: 00 00 00 b8 63 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fd 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 R10: 00007fe39af95740 R11: 0000000000000246 R12: 00007fe39af8f840 RSP: 002b:00007ffdb4593778 EFLAGS: 00000202 R13: 0000000000000001 R14: 0000000002536160 R15: 0000000000000000 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 000000000075c9a8 RCX: 000000000045bd47 RDX: 0000000000000000 RSI: 00007ffdb4593720 RDI: 0000000040000000 RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000075c9a8 R13: 00007ffdb45939e8 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: Kernel Offset: disabled Rebooting in 86400 seconds..