vxcan1: j1939_tp_rxtimer: 0xffff888074a60400: abort rx timeout. Force session deactivation ------------[ cut here ]------------ WARNING: CPU: 0 PID: 30826 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 0 PID: 30826 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205 Modules linked in: CPU: 0 PID: 30826 Comm: syz-executor.5 Not tainted 5.16.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] RIP: 0010:j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205 Code: 1c 83 c0 0a 89 44 24 04 eb 9d 48 c7 c7 ac 21 91 8d e8 e7 e8 9a f9 e9 73 fd ff ff e8 dd e8 9a f9 e9 19 fe ff ff e8 43 ae 54 f9 <0f> 0b 49 8d bf b8 00 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 RSP: 0018:ffffc90000007d90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888082b63000 RCX: 0000000000000100 RDX: ffff88808172a100 RSI: ffffffff882235fd RDI: 0000000000000003 RBP: ffff888082b635a8 R08: 0000000000000000 R09: ffffffff8ff75bbf R10: ffffffff88223558 R11: 0000000000000001 R12: ffff88801e1d1c00 R13: ffff888082b635e8 R14: dffffc0000000000 R15: ffff88801e1d1c18 FS: 00007f2d3290c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c021f67000 CR3: 0000000083756000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_session_deactivate_activate_next+0x2e/0x35 net/can/j1939/transport.c:1101 j1939_tp_rxtimer.cold+0xbc/0x1aa net/can/j1939/transport.c:1228 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode+0x7/0x40 kernel/kcov.c:166 Code: 00 e9 59 fe ff ff 48 8b 7c 24 08 e8 63 3f 46 00 e9 61 fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc 65 8b 05 69 90 8b 7e <89> c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b RSP: 0018:ffffc9000bb079c8 EFLAGS: 00000282 RAX: 0000000080000000 RBX: ffff888098e62dc0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffff88808172a100 RDI: 0000000000000003 RBP: 0000000000000001 R08: 000000000000000c R09: 0000000000000000 R10: ffffffff88631d9b R11: 0000000000000000 R12: ffff88807a0b2000 R13: 0000000000000001 R14: ffff88807a0b23d0 R15: 0000000000000002 write_comp_data kernel/kcov.c:221 [inline] __sanitizer_cov_trace_const_cmp4+0x1c/0x70 kernel/kcov.c:287 sctp_association_init net/sctp/associola.c:143 [inline] sctp_association_new+0xd1b/0x2340 net/sctp/associola.c:298 sctp_connect_new_asoc+0x1ac/0x770 net/sctp/socket.c:1088 sctp_sendmsg_new_asoc net/sctp/socket.c:1690 [inline] sctp_sendmsg+0x13bc/0x1d30 net/sctp/socket.c:2000 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 __sys_sendto+0x21c/0x320 net/socket.c:2036 __do_sys_sendto net/socket.c:2048 [inline] __se_sys_sendto net/socket.c:2044 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f2d35396ae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2d3290c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2d354a9f60 RCX: 00007f2d35396ae9 RDX: 000000000000a823 RSI: 0000000020847fff RDI: 0000000000000004 RBP: 00007f2d353f0f6d R08: 000000002005ffe4 R09: 000000000000001c R10: 0000000000002004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce81bcdcf R14: 00007f2d3290c300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 59 fe ff ff jmpq 0xfffffe5e 5: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi a: e8 63 3f 46 00 callq 0x463f72 f: e9 61 fd ff ff jmpq 0xfffffd75 14: cc int3 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: cc int3 22: 65 8b 05 69 90 8b 7e mov %gs:0x7e8b9069(%rip),%eax # 0x7e8b9092 * 29: 89 c2 mov %eax,%edx <-- trapping instruction 2b: 81 e2 00 01 00 00 and $0x100,%edx 31: a9 00 01 ff 00 test $0xff0100,%eax 36: 74 10 je 0x48 38: 31 c0 xor %eax,%eax 3a: 85 d2 test %edx,%edx 3c: 74 15 je 0x53 3e: 8b .byte 0x8b