general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9558 Comm: syz-executor.5 Not tainted 5.0.0-rc6+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 Code: 0f 84 e1 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d RSP: 0018:ffff88806bd76fd8 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff888060096810 RCX: ffffc9001087c000 RDX: 0000000000000000 RSI: ffffffff86803730 RDI: ffff888060096818 RBP: ffff88806bd76ff0 R08: ffff888062f28500 R09: 0000000000000002 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000006 R13: 0000000100000000 R14: ffff888060096810 R15: ffff88806bd77198 FS: 00007f44a9006700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff24b75ec8 CR3: 0000000095c0d000 CR4: 00000000001406e0 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del_init include/linux/list.h:159 [inline] sctp_sched_dequeue_common+0x28/0x340 net/sctp/stream_sched.c:267 sctp_sched_prio_dequeue+0xec/0x1a0 net/sctp/stream_sched_prio.c:283 sctp_outq_dequeue_data net/sctp/outqueue.c:90 [inline] sctp_outq_flush_data net/sctp/outqueue.c:1079 [inline] sctp_outq_flush+0xba2/0x2790 net/sctp/outqueue.c:1205 sctp_outq_uncork+0x6c/0x80 net/sctp/outqueue.c:772 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x513/0x5380 net/sctp/sm_sideeffect.c:1191 sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1074 sctp_inq_push+0x1ea/0x290 net/sctp/inqueue.c:95 sctp_backlog_rcv+0x189/0xbc0 net/sctp/input.c:354 sk_backlog_rcv include/net/sock.h:937 [inline] __release_sock+0x12e/0x3a0 net/core/sock.c:2379 release_sock+0x59/0x1c0 net/core/sock.c:2895 sctp_wait_for_connect+0x316/0x540 net/sctp/socket.c:8998 sctp_sendmsg_to_asoc+0x13e2/0x17d0 net/sctp/socket.c:1967 kobject: 'loop4' (000000006c83c768): kobject_uevent_env kobject: 'loop4' (000000006c83c768): fill_kobj_path: path = '/devices/virtual/block/loop4' sctp_sendmsg+0x10a9/0x17e0 net/sctp/socket.c:2113 inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2136 __sys_sendmsg+0x105/0x1d0 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2181 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f44a9005c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 RDX: 0000000000000000 RSI: 000000002001afc8 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44a90066d4 R13: 00000000004c4e21 R14: 00000000004d8ae8 R15: 00000000ffffffff Modules linked in: ---[ end trace 6bb21660de355b7c ]--- RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 kobject: 'loop2' (000000001640a177): kobject_uevent_env kobject: 'loop2' (000000001640a177): fill_kobj_path: path = '/devices/virtual/block/loop2' Code: 0f 84 e1 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d RSP: 0018:ffff88806bd76fd8 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff888060096810 RCX: ffffc9001087c000 RDX: 0000000000000000 RSI: ffffffff86803730 RDI: ffff888060096818 RBP: ffff88806bd76ff0 R08: ffff888062f28500 R09: 0000000000000002 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000006 R13: 0000000100000000 R14: ffff888060096810 R15: ffff88806bd77198 FS: 00007f44a9006700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000607304 CR3: 0000000095c0d000 CR4: 00000000001406e0