Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1090 [inline] RIP: 0010:j1939_session_deactivate_activate_next+0x271/0x480 net/can/j1939/transport.c:1100 Code: f4 e9 ed fd ff ff 8b 7d d4 e8 fb 31 13 f4 e9 24 fe ff ff 44 89 ff e8 ee 31 13 f4 41 83 fc 02 0f 83 68 fe ff ff e8 df 70 82 f3 <0f> 0b e9 61 fe ff ff 8b 7d d4 e8 d0 31 13 f4 e9 68 fe ff ff 44 89 RSP: 0018:ffff888102e3f5c8 EFLAGS: 00010246 ===================================================== BUG: KMSAN: uninit-value in __show_regs+0xe6/0x1040 arch/x86/kernel/process_64.c:76 __show_regs+0xe6/0x1040 arch/x86/kernel/process_64.c:76 show_regs+0xc0/0x160 arch/x86/kernel/dumpstack.c:463 __warn+0x3c2/0x730 kernel/panic.c:596 report_bug+0x8eb/0xae0 lib/bug.c:199 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:315 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:335 asm_exc_invalid_op+0x12/0x20 j1939_session_deactivate_activate_next+0x271/0x480 net/can/j1939/transport.c:1100 j1939_xtp_rx_abort_one+0x861/0x900 net/can/j1939/transport.c:1340 j1939_xtp_rx_abort net/can/j1939/transport.c:1351 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2100 [inline] j1939_tp_recv+0x1534/0x1cd0 net/can/j1939/transport.c:2133 j1939_can_recv+0xed0/0x1070 net/can/j1939/main.c:108 deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x74b/0x1110 net/can/af_can.c:608 can_receive+0x4fb/0x6d0 net/can/af_can.c:665 can_rcv+0x1f0/0x490 net/can/af_can.c:696 __netif_receive_skb_one_core net/core/dev.c:5405 [inline] __netif_receive_skb+0x1f1/0x640 net/core/dev.c:5519 process_backlog+0x4e7/0xb50 net/core/dev.c:5847 __napi_poll+0x14e/0xb80 net/core/dev.c:6413 napi_poll net/core/dev.c:6480 [inline] net_rx_action+0x7e8/0x1830 net/core/dev.c:6567 __do_softirq+0x206/0x809 kernel/softirq.c:558 run_ksoftirqd+0x37/0x50 kernel/softirq.c:921 smpboot_thread_fn+0x626/0xbf0 kernel/smpboot.c:164 kthread+0x3c7/0x500 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable mic created at: ieee80211_rx_h_michael_mic_verify+0x54/0x10f0 net/mac80211/wpa.c:100 ieee80211_rx_handlers+0x2d31/0xf170 net/mac80211/rx.c:3929 CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.18.0-syzkaller-16253-g2f3064574275 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================