Code: 45 a0 48 89 03 eb 74 44 89 f7 e8 ea 79 be f5 e9 6a fe ff ff 44 89 ff e8 dd 79 be f5 83 fb 02 0f 83 c4 fe ff ff e8 5f 6b 3f f5 <0f> 0b e9 bd fe ff ff 44 89 ff e8 c0 79 be f5 41 83 fe 01 0f 86 12 RSP: 0018:ffff88813fc05ca8 EFLAGS: 00010246 ===================================================== BUG: KMSAN: uninit-value in __show_regs+0xaff/0xc90 arch/x86/kernel/process_64.c:81 __show_regs+0xaff/0xc90 arch/x86/kernel/process_64.c:81 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469 __warn+0x242/0x580 kernel/panic.c:621 report_bug+0x7ff/0xa10 lib/bug.c:198 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336 asm_exc_invalid_op+0x1b/0x20 j1939_session_deactivate_activate_next+0x1f1/0x330 net/can/j1939/transport.c:1106 j1939_tp_rxtimer+0x268/0xa80 net/can/j1939/transport.c:1234 __run_hrtimer+0x298/0x910 kernel/time/hrtimer.c:1685 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline] hrtimer_run_softirq+0x4b0/0x870 kernel/time/hrtimer.c:1766 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571 do_softirq+0x13d/0x1e0 kernel/softirq.c:472 __local_bh_enable_ip+0x93/0xa0 kernel/softirq.c:396 __raw_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline] _raw_write_unlock_bh+0x29/0x2c kernel/locking/spinlock.c:366 neigh_managed_work+0x359/0x380 net/core/neighbour.c:1607 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436 kthread+0x31b/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable bucket_expiry created at: __mod_timer+0x4c/0x1b90 mod_timer+0x33/0x40 kernel/time/timer.c:1161 CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: events_power_efficient neigh_managed_work =====================================================