KMSAN: uninit-value in skb

KMSAN: uninit-value in skb_trim
Status: upstream: reported C repro on 2020/08/24 13:58
Reported-by: syzbot+e4534e8c1c382508312c@syzkaller.appspotmail.com
First crash: 422d, last: 94d

Patch testing requests:
Created	Duration	User	Patch	Repo	Result
2021/05/02 19:10	38m	phil@philpotter.co.uk	patch	https://github.com/google/kmsan.git master	OK
2021/05/01 22:12	41m	phil@philpotter.co.uk		https://github.com/google/kmsan.git master	report log
2021/04/19 22:25	28m	phil@philpotter.co.uk		https://github.com/google/kmsan.git master	report log

Sample crash report:

=====================================================
BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 net/core/skbuff.c:1927
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
 skb_trim+0x1fa/0x280 net/core/skbuff.c:1927
 ath9k_htc_rx_msg+0x631/0x1f30 drivers/net/wireless/ath/ath9k/htc_hst.c:455
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:647 [inline]
 ath9k_hif_usb_rx_cb+0x184e/0x1d20 drivers/net/wireless/ath/ath9k/hif_usb.c:680
 __usb_hcd_giveback_urb+0x6ff/0x930 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x1cb/0x730 drivers/usb/core/hcd.c:1726
 dummy_timer+0xda7/0x74f0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x7d/0x450 kernel/time/timer.c:1417
 expire_timers+0x328/0x6c0 kernel/time/timer.c:1462
 __run_timers+0x624/0x9e0 kernel/time/timer.c:1731
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1744
 __do_softirq+0x1b9/0x715 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x6e/0x90 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x22f/0x280 kernel/softirq.c:420
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x106/0x130 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:49 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:516 [inline]
RIP: 0010:acpi_idle_enter+0x61d/0x760 drivers/acpi/processor_idle.c:647
Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 <fa> e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5
RSP: 0018:ffffffff91403b70 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000023eaec040
RDX: ffffffff91431040 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff91403c08 R08: ffffffff86809bde R09: ffff88813fffa000
R10: 0000000000000002 R11: ffffffff91431040 R12: 0000000000000000
R13: ffff888102fa0064 R14: 0000000000000000 R15: ffffffff91431ab8
 cpuidle_enter_state+0x99e/0x1750 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0xe3/0x170 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x5df/0x790 kernel/sched/idle.c:299
 cpu_startup_entry+0x45/0x50 kernel/sched/idle.c:396
 rest_init+0x1c8/0x1f0 init/main.c:721
 arch_call_rest_init+0x13/0x15
 start_kernel+0xa17/0xbd8 init/main.c:1064
 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:525
 x86_64_start_kernel+0x86/0x89 arch/x86/kernel/head64.c:506
 secondary_startup_64_no_verify+0xb0/0xbb

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
 kmsan_internal_poison_shadow+0x5c/0xf0 mm/kmsan/kmsan.c:104
 kmsan_slab_alloc+0x8d/0xe0 mm/kmsan/kmsan_hooks.c:76
 slab_alloc_node mm/slub.c:2907 [inline]
 __kmalloc_node_track_caller+0xa37/0x1430 mm/slub.c:4527
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0x2f8/0xb30 net/core/skbuff.c:210
 __netdev_alloc_skb+0x450/0x7f0 net/core/skbuff.c:446
 __dev_alloc_skb include/linux/skbuff.h:2839 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:629 [inline]
 ath9k_hif_usb_rx_cb+0xe58/0x1d20 drivers/net/wireless/ath/ath9k/hif_usb.c:680
 __usb_hcd_giveback_urb+0x6ff/0x930 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x1cb/0x730 drivers/usb/core/hcd.c:1726
 dummy_timer+0xda7/0x74f0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x7d/0x450 kernel/time/timer.c:1417
 expire_timers+0x328/0x6c0 kernel/time/timer.c:1462
 __run_timers+0x624/0x9e0 kernel/time/timer.c:1731
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1744
 __do_softirq+0x1b9/0x715 kernel/softirq.c:343
=====================================================
=====================================================
BUG: KMSAN: uninit-value in skb_trim+0x1fa/0x280 net/core/skbuff.c:1927
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G    B             5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
 skb_trim+0x1fa/0x280 net/core/skbuff.c:1927
 ath9k_htc_rx_msg+0x631/0x1f30 drivers/net/wireless/ath/ath9k/htc_hst.c:455
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:647 [inline]
 ath9k_hif_usb_rx_cb+0x184e/0x1d20 drivers/net/wireless/ath/ath9k/hif_usb.c:680
 __usb_hcd_giveback_urb+0x6ff/0x930 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x1cb/0x730 drivers/usb/core/hcd.c:1726
 dummy_timer+0xda7/0x74f0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x7d/0x450 kernel/time/timer.c:1417
 expire_timers+0x328/0x6c0 kernel/time/timer.c:1462
 __run_timers+0x624/0x9e0 kernel/time/timer.c:1731
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1744
 __do_softirq+0x1b9/0x715 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x6e/0x90 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x22f/0x280 kernel/softirq.c:420
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x106/0x130 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:49 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:516 [inline]
RIP: 0010:acpi_idle_enter+0x61d/0x760 drivers/acpi/processor_idle.c:647
Code: f7 d3 44 21 e3 48 85 db 0f 84 ec 00 00 00 4d 85 e4 0f 85 f4 00 00 00 e9 0c 00 00 00 e8 1c b5 3a fb 0f 00 2d 5f e7 5d 09 fb f4 <fa> e9 e0 00 00 00 84 c0 8b 7d b8 0f 45 7d 98 e8 8f 3b bc fb e9 e5
RSP: 0018:ffffffff91403b70 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000023eaec040
RDX: ffffffff91431040 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff91403c08 R08: ffffffff86809bde R09: ffff88813fffa000
R10: 0000000000000002 R11: ffffffff91431040 R12: 0000000000000000
R13: ffff888102fa0064 R14: 0000000000000000 R15: ffffffff91431ab8
 cpuidle_enter_state+0x99e/0x1750 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0xe3/0x170 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x5df/0x790 kernel/sched/idle.c:299
 cpu_startup_entry+0x45/0x50 kernel/sched/idle.c:396
 rest_init+0x1c8/0x1f0 init/main.c:721
 arch_call_rest_init+0x13/0x15
 start_kernel+0xa17/0xbd8 init/main.c:1064
 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:525
 x86_64_start_kernel+0x86/0x89 arch/x86/kernel/head64.c:506
 secondary_startup_64_no_verify+0xb0/0xbb

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
 kmsan_internal_poison_shadow+0x5c/0xf0 mm/kmsan/kmsan.c:104
 kmsan_slab_alloc+0x8d/0xe0 mm/kmsan/kmsan_hooks.c:76
 slab_alloc_node mm/slub.c:2907 [inline]
 __kmalloc_node_track_caller+0xa37/0x1430 mm/slub.c:4527
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0x2f8/0xb30 net/core/skbuff.c:210
 __netdev_alloc_skb+0x450/0x7f0 net/core/skbuff.c:446
 __dev_alloc_skb include/linux/skbuff.h:2839 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:629 [inline]
 ath9k_hif_usb_rx_cb+0xe58/0x1d20 drivers/net/wireless/ath/ath9k/hif_usb.c:680
 __usb_hcd_giveback_urb+0x6ff/0x930 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x1cb/0x730 drivers/usb/core/hcd.c:1726
 dummy_timer+0xda7/0x74f0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x7d/0x450 kernel/time/timer.c:1417
 expire_timers+0x328/0x6c0 kernel/time/timer.c:1462
 __run_timers+0x624/0x9e0 kernel/time/timer.c:1731
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1744
 __do_softirq+0x1b9/0x715 kernel/softirq.c:343
=====================================================

Crashes (257):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kmsan-gce	2021/03/21 09:13	https://github.com/google/kmsan.git master	29ad81a1074a	17810eae	.config	log	report	syz	C		KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/14 22:09	https://github.com/google/kmsan.git master	57b5797c8013	94e0b707	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/13 19:44	https://github.com/google/kmsan.git master	57b5797c8013	fa0594c3	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/11 00:59	https://github.com/google/kmsan.git master	57b5797c8013	8f5a7b8c	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/07 23:18	https://github.com/google/kmsan.git master	57b5797c8013	4846d5c1	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/07 15:35	https://github.com/google/kmsan.git master	57b5797c8013	4846d5c1	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/03 11:50	https://github.com/google/kmsan.git master	57b5797c8013	55aa55c2	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/07/01 21:48	https://github.com/google/kmsan.git master	57b5797c8013	658ebc66	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/30 23:26	https://github.com/google/kmsan.git master	57b5797c8013	38a885d1	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/22 15:25	https://github.com/google/kmsan.git master	6a6a67f21dec	aba2b2fb	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/22 10:36	https://github.com/google/kmsan.git master	6a6a67f21dec	aba2b2fb	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/18 17:51	https://github.com/google/kmsan.git master	bfeba8b4c158	aba2b2fb	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/16 18:52	https://github.com/google/kmsan.git master	89a0faf20faa	c06f97ad	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/09 10:05	https://github.com/google/kmsan.git master	6099c9da2f7d	5c2fe346	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/06 18:39	https://github.com/google/kmsan.git master	6099c9da2f7d	500c2339	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/06/04 17:03	https://github.com/google/kmsan.git master	6099c9da2f7d	966a236b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/25 14:39	https://github.com/google/kmsan.git master	6099c9da2f7d	3c7fef33	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/25 13:32	https://github.com/google/kmsan.git master	6099c9da2f7d	3c7fef33	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/20 04:10	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/19 05:39	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/19 03:33	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/18 23:20	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/18 20:11	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/18 02:28	https://github.com/google/kmsan.git master	bdefec9ab855	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/17 12:47	https://github.com/google/kmsan.git master	bdefec9ab855	a2eb125d	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/16 08:43	https://github.com/google/kmsan.git master	bdefec9ab855	f54a5c09	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/13 07:20	https://github.com/google/kmsan.git master	bdefec9ab855	ed7d41c5	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/12 09:20	https://github.com/google/kmsan.git master	bdefec9ab855	b3c3bb8e	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/09 07:47	https://github.com/google/kmsan.git master	4ebaab5fb428	bc5434be	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/08 23:05	https://github.com/google/kmsan.git master	4ebaab5fb428	bc5434be	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/08 16:14	https://github.com/google/kmsan.git master	4ebaab5fb428	bc5434be	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/06 12:15	https://github.com/google/kmsan.git master	4ebaab5fb428	06c27ff5	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/04 01:03	https://github.com/google/kmsan.git master	4ebaab5fb428	ad61f371	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/02 19:03	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/05/02 16:09	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/30 20:22	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/30 13:41	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/28 15:27	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/25 00:54	https://github.com/google/kmsan.git master	4ebaab5fb428	17f0b706	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/19 07:03	https://github.com/google/kmsan.git master	4ebaab5fb428	7e2b734b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/04/17 16:16	https://github.com/google/kmsan.git master	4ebaab5fb428	7e2b734b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/05/19 14:02	https://github.com/google/kmsan.git master	6099c9da2f7d	a343ba6b	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/05/03 07:11	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/05/02 07:34	https://github.com/google/kmsan.git master	4ebaab5fb428	77e2b668	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/04/27 17:46	https://github.com/google/kmsan.git master	4ebaab5fb428	805b5003	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/04/27 01:40	https://github.com/google/kmsan.git master	4ebaab5fb428	e60b7df1	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/04/25 00:53	https://github.com/google/kmsan.git master	4ebaab5fb428	17f0b706	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/04/20 09:51	https://github.com/google/kmsan.git master	4ebaab5fb428	4285c989	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce-386	2021/04/19 19:51	https://github.com/google/kmsan.git master	4ebaab5fb428	50f523d7	.config	log	report			info	KMSAN: uninit-value in skb_trim
ci-upstream-kmsan-gce	2021/01/10 09:25	https://github.com/google/kmsan.git master	73d62e81b476	2c1f2513	.config	log	report			info
ci-upstream-kmsan-gce	2020/08/23 17:11	https://github.com/google/kmsan.git master	ce8056d1f79e	cef5ae68	.config	log	report
ci-upstream-kmsan-gce	2020/08/20 13:38	https://github.com/google/kmsan.git master	ce8056d1f79e	ed282a3a	.config	log	report