current->kmsan.in_runtime: -1, last_caller: (null) ------------[ cut here ]------------ kernel BUG at mm/kmsan/kmsan_instr.c:85! invalid opcode: 0000 [#1] SMP CPU: 0 PID: 9095 Comm: cryptomgr_probe Not tainted 4.20.0-rc7+ #12 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__msan_instrument_asm_store+0x12d/0x130 mm/kmsan/kmsan_instr.c:85 Code: 29 0d 59 ff 0f 0b e8 72 f5 7b ff 85 c0 75 1b 8b b3 88 09 00 00 48 8b 93 80 09 00 00 48 c7 c7 4e 72 5f 8b 31 c0 e8 83 22 7c ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 54 53 48 89 d3 49 89 f6 49 89 RSP: 0018:ffff888196fdf7d0 EFLAGS: 00010046 RAX: 000000000000003c RBX: ffff888153925a00 RCX: 821270f3d1212100 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88821fc36abc RBP: ffff888196fdf808 R08: 0000000000000000 R09: ffff88821fc38f10 R10: 0000000000000000 R11: ffffffff861d8220 R12: 0000000000000086 R13: ffff888196fdf830 R14: 0000000000000001 R15: ffff888196fdf830 FS: 0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca0a7edcc CR3: 0000000135dfb000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:200 [inline] atomic_try_cmpxchg include/asm-generic/atomic-instrumented.h:73 [inline] queued_spin_lock include/asm-generic/qspinlock.h:87 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:191 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x9c/0x170 kernel/locking/spinlock.c:152 rq_lock_irqsave kernel/sched/sched.h:1108 [inline] load_balance+0x5830/0x9ad0 kernel/sched/fair.c:8724 idle_balance kernel/sched/fair.c:9656 [inline] pick_next_task_fair+0xaf1/0x3240 kernel/sched/fair.c:6757 pick_next_task+0x1ba/0x420 kernel/sched/core.c:3322 __schedule+0x1f7/0x830 kernel/sched/core.c:3452 schedule+0x1ab/0x2b0 kernel/sched/core.c:3522 kthread+0x3cb/0x4e0 kernel/kthread.c:241 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Modules linked in: ---[ end trace 3b54f239d3a9f749 ]--- RIP: 0010:__msan_instrument_asm_store+0x12d/0x130 mm/kmsan/kmsan_instr.c:85 Code: 29 0d 59 ff 0f 0b e8 72 f5 7b ff 85 c0 75 1b 8b b3 88 09 00 00 48 8b 93 80 09 00 00 48 c7 c7 4e 72 5f 8b 31 c0 e8 83 22 7c ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 54 53 48 89 d3 49 89 f6 49 89 RSP: 0018:ffff888196fdf7d0 EFLAGS: 00010046 RAX: 000000000000003c RBX: ffff888153925a00 RCX: 821270f3d1212100 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88821fc36abc RBP: ffff888196fdf808 R08: 0000000000000000 R09: ffff88821fc38f10 R10: 0000000000000000 R11: ffffffff861d8220 R12: 0000000000000086 R13: ffff888196fdf830 R14: 0000000000000001 R15: ffff888196fdf830 FS: 0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca0a7edcc CR3: 0000000135dfb000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400