vxcan1: j1939_tp_rxtimer: 0xffff88801ef1b000: rx timeout, send abort vxcan1: j1939_tp_rxtimer: 0xffff88807b132000: rx timeout, send abort vxcan1: j1939_tp_rxtimer: 0xffff88801ef1b000: abort rx timeout. Force session deactivation ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11528 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 0 PID: 11528 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: 11528 Comm: kworker/u4:18 Not tainted 5.17.0-rc2-syzkaller-00398-gd8ad2ce873ab #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net 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 6c fa 93 8d e8 b7 17 99 f9 e9 73 fd ff ff e8 ad 17 99 f9 e9 19 fe ff ff e8 43 c8 51 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: ffff88802b88a000 RCX: 0000000000000100 RDX: ffff88807db73a00 RSI: ffffffff8826b04d RDI: 0000000000000003 RBP: ffff88802b88a5a8 R08: 0000000000000000 R09: ffffffff8ffbfaef R10: ffffffff8826afa8 R11: 0000000000000001 R12: ffff88807b130800 R13: ffff88802b88a5e8 R14: dffffc0000000000 R15: ffff88807b130818 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000004e2cc000 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:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 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:lockdep_enabled kernel/locking/lockdep.c:91 [inline] RIP: 0010:lock_acquire kernel/locking/lockdep.c:5615 [inline] RIP: 0010:lock_acquire+0x13b/0x510 kernel/locking/lockdep.c:5604 Code: 85 14 01 00 00 65 48 8b 14 25 00 70 02 00 48 8d ba 5c 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 70 03 00 00 8b RSP: 0018:ffffc90011e2fa60 EFLAGS: 00000a07 RAX: dffffc0000000000 RBX: 1ffff920023c5f4e RCX: 0000000000000000 RDX: ffff88807db73a00 RSI: 0000000000000001 RDI: ffff88807db7445c RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8d93c697 R10: fffffbfff1b278d2 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8bb83c20 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:268 [inline] rcu_read_lock include/linux/rcupdate.h:694 [inline] inet_twsk_purge+0x117/0x7d0 net/ipv4/inet_timewait_sock.c:268 ops_exit_list+0x125/0x170 net/core/net_namespace.c:173 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:597 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307 worker_thread+0x657/0x1110 kernel/workqueue.c:2454 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ---------------- Code disassembly (best guess): 0: 85 14 01 test %edx,(%rcx,%rax,1) 3: 00 00 add %al,(%rax) 5: 65 48 8b 14 25 00 70 mov %gs:0x27000,%rdx c: 02 00 e: 48 8d ba 5c 0a 00 00 lea 0xa5c(%rdx),%rdi 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 f9 mov %rdi,%rcx 22: 48 c1 e9 03 shr $0x3,%rcx 26: 0f b6 0c 01 movzbl (%rcx,%rax,1),%ecx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 c8 cmp %cl,%al 35: 7c 08 jl 0x3f 37: 84 c9 test %cl,%cl 39: 0f 85 70 03 00 00 jne 0x3af 3f: 8b .byte 0x8b