------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 1 PID: 21 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205 Modules linked in: CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.18.0-rc3-syzkaller-00277-gfebb2d2fa561 #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 82 b8 8d e8 d7 64 81 f9 e9 73 fd ff ff e8 cd 64 81 f9 e9 19 fe ff ff e8 83 d5 35 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:ffffc90000db7b90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888072556000 RCX: 0000000000000100 RDX: ffff888011991d00 RSI: ffffffff88435a2d RDI: 0000000000000003 RBP: ffff8880725565a8 R08: 0000000000000000 R09: ffffffff90056a67 R10: ffffffff88435988 R11: 0000000000000001 R12: ffff888075cb5800 R13: ffff8880725565e8 R14: dffffc0000000000 R15: ffff888075cb5818 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc2b000 CR3: 000000007d411000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_simple_txnext net/can/j1939/transport.c:1052 [inline] j1939_tp_txtimer+0x181f/0x27d0 net/can/j1939/transport.c:1149 __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 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298