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BUG: KMSAN: uninit-value in predicate_parse kernel/trace/trace_events_filter.c:563 [inline]
BUG: KMSAN: uninit-value in process_preds+0x43b6/0x5060 kernel/trace/trace_events_filter.c:1508
CPU: 1 PID: 7802 Comm: syz-executor0 Not tainted 4.17.0+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:1125
 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620
 predicate_parse kernel/trace/trace_events_filter.c:563 [inline]
 process_preds+0x43b6/0x5060 kernel/trace/trace_events_filter.c:1508
 create_filter kernel/trace/trace_events_filter.c:1716 [inline]
 ftrace_profile_set_filter+0x2aa/0x6a0 kernel/trace/trace_events_filter.c:2041
 perf_event_set_filter kernel/events/core.c:9079 [inline]
 _perf_ioctl kernel/events/core.c:5059 [inline]
 perf_ioctl+0x1ca8/0x5870 kernel/events/core.c:5110
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xcbd/0x24b0 fs/ioctl.c:686
 ksys_ioctl fs/ioctl.c:701 [inline]
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x280/0x320 fs/ioctl.c:706
alg: No test for cbcmac(anubis) (cbcmac(anubis-generic))
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x455a99
RSP: 002b:00007f0c7f62cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0c7f62d6d4 RCX: 0000000000455a99
RDX: 0000000020000100 RSI: 0000000040082406 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c4e70 R14: 00000000004cc5d0 R15: 0000000000000000
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:282 [inline]
 kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:192
 kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:318
alg: No test for ctr(anubis) (ctr(anubis-generic))
 __kmalloc+0x13a/0x350 mm/slub.c:3818
 kmalloc include/linux/slab.h:517 [inline]
 allocate_probes kernel/tracepoint.c:65 [inline]
 func_add kernel/tracepoint.c:120 [inline]
 tracepoint_add_func kernel/tracepoint.c:208 [inline]
 tracepoint_probe_register_prio+0x56a/0xca0 kernel/tracepoint.c:282
 tracepoint_probe_register+0x9d/0xb0 kernel/tracepoint.c:303
 register_trace_block_plug include/trace/events/block.h:456 [inline]
 blk_register_tracepoints kernel/trace/blktrace.c:1112 [inline]
 get_probe_ref+0x51b/0x920 kernel/trace/blktrace.c:337
 do_blk_trace_setup+0x105b/0x1410 kernel/trace/blktrace.c:568
 __blk_trace_setup+0x1cc/0x320 kernel/trace/blktrace.c:589
 blk_trace_ioctl+0x276/0x960 kernel/trace/blktrace.c:728
 blkdev_ioctl+0x193d/0x4f80 block/ioctl.c:587
 block_ioctl+0x16f/0x1d0 fs/block_dev.c:1877
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xcbd/0x24b0 fs/ioctl.c:686
 ksys_ioctl fs/ioctl.c:701 [inline]
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x280/0x320 fs/ioctl.c:706
alg: No test for ccm(anubis-generic) (ccm_base(ctr(anubis-generic),cbcmac(anubis-generic)))
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
alg: No test for rfc4309(ccm(anubis-generic)) (rfc4309(ccm_base(ctr(anubis-generic),cbcmac(anubis-generic))))
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