R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000000a2b R14: 00000000004cd0e4 R15: 00007fd49ff7c6d4 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17126 Comm: syz-executor.2 Not tainted 4.19.128-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:flex_array_get+0x27/0x250 lib/flex_array.c:320 Code: 90 90 90 41 56 41 55 41 54 55 89 f5 53 48 89 fb 48 83 ec 08 e8 ea 71 14 fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e b7 01 00 00 44 8b 2b 31 ff 44 RSP: 0018:ffff8880532df890 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86a00b70 RDX: 0000000000000000 RSI: ffffffff835328d6 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff8880a470e280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805200b1a8 R13: 0000000000000000 R14: ffff88808a67de00 R15: 1ffff1100a401639 FS: 00000000012c3940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa75df74018 CR3: 000000009f904000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sctp_stream_out include/net/sctp/structs.h:1474 [inline] sctp_sched_dequeue_done+0x1f8/0x2e0 net/sctp/stream_sched.c:255 __sctp_outq_teardown+0x6e8/0xc60 net/sctp/outqueue.c:267 sctp_association_free+0x212/0x7a3 net/sctp/associola.c:361 sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:944 [inline] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1332 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline] sctp_do_sm+0x3940/0x4f30 net/sctp/sm_sideeffect.c:1170 sctp_primitive_SHUTDOWN+0x9b/0xc0 net/sctp/primitive.c:104 sctp_close+0x3c5/0x7a0 net/sctp/socket.c:1560 inet_release+0xd7/0x1e0 net/ipv4/af_inet.c:427 __sock_release+0xcd/0x2a0 net/socket.c:579 sock_close+0x15/0x20 net/socket.c:1140 __fput+0x2cd/0x890 fs/file_table.c:278 task_work_run+0x13f/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x416661 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffd1588c770 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416661 RDX: 0000000000000000 RSI: 000000000000109c RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000089f4b09c R09: 0000000089f4b0a0 R10: 00007ffd1588c860 R11: 0000000000000293 R12: 000000000078c900 R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bf0c Modules linked in: ---[ end trace d0272a45cf3626fa ]--- RIP: 0010:flex_array_get+0x27/0x250 lib/flex_array.c:320 Code: 90 90 90 41 56 41 55 41 54 55 89 f5 53 48 89 fb 48 83 ec 08 e8 ea 71 14 fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e b7 01 00 00 44 8b 2b 31 ff 44 RSP: 0018:ffff8880532df890 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86a00b70 RDX: 0000000000000000 RSI: ffffffff835328d6 RDI: 0000000000000000 Dev loop4: unable to read RDB block 1 RBP: 0000000000000000 R08: ffff8880a470e280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805200b1a8 loop4: unable to read partition table R13: 0000000000000000 R14: ffff88808a67de00 R15: 1ffff1100a401639 FS: 00000000012c3940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 loop5: p1[DM] p2 p3 p4 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa75df74018 CR3: 000000009f904000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 EXT4-fs (loop3): invalid inodes per group: 0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400