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: 8462 at mm/slab.h:380 cache_from_obj mm/slab.h:378 [inline]
WARNING: CPU: 1 PID: 8462 at mm/slab.h:380 cache_from_obj mm/slab.h:357 [inline]
WARNING: CPU: 1 PID: 8462 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: 8462 Comm: syz-executor.0 Not tainted 4.19.46 #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
Failed to register TIPC socket type
 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: ffff8880a094b700 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81559e76 RDI: ffffed1015d20f91
RBP: ffff8880ae907d18 R08: 0000000000000046 R09: ffffed1015d24fe9
R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffff88808183ad80
R13: 0000000000000000 R14: ffff88808183ad80 R15: ffff8880a094ba10
 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
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 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
 </IRQ>
RIP: 0010:debug_smp_processor_id+0x9/0x20 lib/smp_processor_id.c:56
Code: e9 a8 fe ff ff 4c 89 45 d0 e8 33 da 7c fe 4c 8b 45 d0 e9 74 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 67 78 46 fe <48> c7 c6 a0 ad 81 87 48 c7 c7 e0 ad 81 87 e8 54 fd ff ff 5d c3 66
RSP: 0018:ffff8880698cf838 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff888088dfc3c0 RBX: 0000000000023980 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff83248719 RDI: ffff888088dfcc3c
RBP: ffff8880698cf838 R08: ffff888088dfc3c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a1a699c0
R13: ffffffff813e248d R14: ffffffff813e248d R15: 00000000000011ae
 rcu_dynticks_curr_cpu_in_eqs+0x17/0xb0 kernel/rcu/tree.c:348
 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:1025
 rcu_read_lock_sched_held+0x8e/0x130 kernel/rcu/update.c:113
 trace_kmem_cache_free include/trace/events/kmem.h:144 [inline]
 kmem_cache_free+0x222/0x260 mm/slab.c:3768
 vm_area_free+0x1d/0x30 kernel/fork.c:334
 remove_vma+0x13f/0x180 mm/mmap.c:186
 exit_mmap+0x369/0x530 mm/mmap.c:3108
 __mmput kernel/fork.c:1010 [inline]
 mmput+0x15f/0x4c0 kernel/fork.c:1031
 exit_mm kernel/exit.c:546 [inline]
 do_exit+0x838/0x2fa0 kernel/exit.c:863
 do_group_exit+0x135/0x370 kernel/exit.c:979
 get_signal+0x399/0x1d50 kernel/signal.c:2572
 do_signal+0x95/0x1950 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: 76 1b 48 8b 0e 48 8b 17 48 83 c6 08 48 83 c7 08 48 83 eb 08 48 39 d1 74 e3 c6 00 00 c3 48 8b 4c 1e f8 48 8b 54 1f f8 48 39 d1 <0f> 94 00 c3 48 83 fb 00 74 37 48 8d 0c dd 00 00 00 00 48 f7 d9 40
RSP: 002b:00007ff8ce7e0cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459279
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007fff92a52e7f R14: 00007ff8ce7e19c0 R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..