general protection fault, probably for non-canonical address 0xdffffc0000e0e0e1: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000007070708-0x000000000707070f] CPU: 1 PID: 8679 Comm: syz-executor.0 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__hlist_del include/linux/list.h:831 [inline] RIP: 0010:hlist_del include/linux/list.h:843 [inline] RIP: 0010:__alloc_object lib/debugobjects.c:215 [inline] RIP: 0010:alloc_object lib/debugobjects.c:232 [inline] RIP: 0010:__debug_object_init+0x226/0xce0 lib/debugobjects.c:548 Code: e9 03 41 80 3c 39 00 0f 85 81 0a 00 00 48 85 c0 48 89 01 74 24 48 8d 78 08 49 b9 00 00 00 00 00 fc ff df 49 89 fa 49 c1 ea 03 <43> 80 3c 0a 00 0f 85 27 0a 00 00 48 89 48 08 48 b8 00 01 00 00 00 RSP: 0018:ffffc90006497c30 EFLAGS: 00010006 RAX: 0000000007070700 RBX: 0000000000103ff8 RCX: ffff8880ae733390 RDX: ffff8880ae733390 RSI: 0000000000000282 RDI: 0000000007070708 RBP: ffff888000171690 R08: 0000000000000001 R09: dffffc0000000000 R10: 0000000000e0e0e1 R11: 0000000000000000 R12: ffff8880a7530a10 R13: 1ffff92000c92f95 R14: ffffffff8cc2fda0 R15: ffffffff8cc2fd98 FS: 0000000002ab8940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000047db80 CR3: 000000008e5a2000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_hrtimer_init kernel/time/hrtimer.c:414 [inline] debug_init kernel/time/hrtimer.c:473 [inline] hrtimer_init+0x27/0x310 kernel/time/hrtimer.c:1431 tcp_init_xmit_timers+0x7b/0xb4 net/ipv4/tcp_timer.c:784 tcp_init_sock+0x72/0x920 net/ipv4/tcp.c:416 tcp_v4_init_sock+0x11/0x80 net/ipv4/tcp_ipv4.c:2157 inet_create net/ipv4/af_inet.c:380 [inline] inet_create+0x88d/0xe20 net/ipv4/af_inet.c:248 __sock_create+0x3ca/0x740 net/socket.c:1427 sock_create net/socket.c:1478 [inline] __sys_socket+0xef/0x200 net/socket.c:1520 __do_sys_socket net/socket.c:1529 [inline] __se_sys_socket net/socket.c:1527 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1527 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x460107 Code: 00 00 00 49 89 ca b8 36 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fa 88 fb ff c3 66 0f 1f 84 00 00 00 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd 88 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffca791b2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000460107 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00000000000007bc R08: 0000000000000000 R09: 000000000000000a R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca791b9e0 R14: 000000000011477a R15: 00007ffca791b9f0 Modules linked in: ---[ end trace 76e8299d9a92206c ]--- RIP: 0010:__hlist_del include/linux/list.h:831 [inline] RIP: 0010:hlist_del include/linux/list.h:843 [inline] RIP: 0010:__alloc_object lib/debugobjects.c:215 [inline] RIP: 0010:alloc_object lib/debugobjects.c:232 [inline] RIP: 0010:__debug_object_init+0x226/0xce0 lib/debugobjects.c:548 Code: e9 03 41 80 3c 39 00 0f 85 81 0a 00 00 48 85 c0 48 89 01 74 24 48 8d 78 08 49 b9 00 00 00 00 00 fc ff df 49 89 fa 49 c1 ea 03 <43> 80 3c 0a 00 0f 85 27 0a 00 00 48 89 48 08 48 b8 00 01 00 00 00 RSP: 0018:ffffc90006497c30 EFLAGS: 00010006 RAX: 0000000007070700 RBX: 0000000000103ff8 RCX: ffff8880ae733390 RDX: ffff8880ae733390 RSI: 0000000000000282 RDI: 0000000007070708 RBP: ffff888000171690 R08: 0000000000000001 R09: dffffc0000000000 R10: 0000000000e0e0e1 R11: 0000000000000000 R12: ffff8880a7530a10 R13: 1ffff92000c92f95 R14: ffffffff8cc2fda0 R15: ffffffff8cc2fd98 FS: 0000000002ab8940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000047db80 CR3: 000000008e5a2000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400