general protection fault, probably for non-canonical address 0xe000ea0000eeeeee: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0007700007777770-0x0007700007777777] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:956 [inline] RIP: 0010:debug_check_no_obj_freed+0x1d3/0x41c lib/debugobjects.c:998 Code: 39 00 0f 85 0f 02 00 00 48 89 45 08 4d 89 30 4c 89 c7 4d 89 68 08 e8 fc ca ff ff 48 85 ed 74 2c 49 89 e8 4c 89 c0 48 c1 e8 03 <42> 80 3c 38 00 0f 84 2e ff ff ff 4c 89 c7 4c 89 44 24 38 e8 a5 f0 RSP: 0018:ffffc90000d7fa90 EFLAGS: 00010006 RAX: 0000ee0000eeeeee RBX: ffff888097672000 RCX: 1ffff11015ce6673 RDX: dffffc0000000000 RSI: ffff88804c1a63b8 RDI: ffff888000150bb0 RBP: 0007700007777770 R08: 0007700007777770 R09: ffff888097672350 R10: fffff520001aff40 R11: 000000000000016e R12: 0000000000000003 R13: dead000000000122 R14: dead000000000100 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30724000 CR3: 00000000a771a000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmem_cache_free.part.0+0x151/0x1e0 mm/slab.c:3692 inet_twsk_free+0x123/0x180 net/ipv4/inet_timewait_sock.c:73 inet_twsk_put+0x78/0xa0 net/ipv4/inet_timewait_sock.c:80 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 run_ksoftirqd kernel/softirq.c:652 [inline] run_ksoftirqd+0xcf/0x170 kernel/softirq.c:644 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:165 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace 3331af2e3854ce1b ]--- RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:956 [inline] RIP: 0010:debug_check_no_obj_freed+0x1d3/0x41c lib/debugobjects.c:998 Code: 39 00 0f 85 0f 02 00 00 48 89 45 08 4d 89 30 4c 89 c7 4d 89 68 08 e8 fc ca ff ff 48 85 ed 74 2c 49 89 e8 4c 89 c0 48 c1 e8 03 <42> 80 3c 38 00 0f 84 2e ff ff ff 4c 89 c7 4c 89 44 24 38 e8 a5 f0 RSP: 0018:ffffc90000d7fa90 EFLAGS: 00010006 RAX: 0000ee0000eeeeee RBX: ffff888097672000 RCX: 1ffff11015ce6673 RDX: dffffc0000000000 RSI: ffff88804c1a63b8 RDI: ffff888000150bb0 RBP: 0007700007777770 R08: 0007700007777770 R09: ffff888097672350 R10: fffff520001aff40 R11: 000000000000016e R12: 0000000000000003 R13: dead000000000122 R14: dead000000000100 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30724000 CR3: 00000000a771a000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400