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KMSAN: uninit-value in __map_kernel_range_noflush

Status: auto-closed as invalid on 2021/09/21 03:04
Subsystems: net
[Documentation on labels]
First crash: 1290d, last: 1030d

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in vmap_pte_range mm/vmalloc.c:213 [inline]
BUG: KMSAN: uninit-value in vmap_pmd_range mm/vmalloc.c:238 [inline]
BUG: KMSAN: uninit-value in vmap_pud_range mm/vmalloc.c:256 [inline]
BUG: KMSAN: uninit-value in vmap_p4d_range mm/vmalloc.c:274 [inline]
BUG: KMSAN: uninit-value in __map_kernel_range_noflush+0xae4/0x11d0 mm/vmalloc.c:315
CPU: 1 PID: 14142 Comm: syz-executor.4 Not tainted 5.12.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x24c/0x2e0 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197
 vmap_pte_range mm/vmalloc.c:213 [inline]
 vmap_pmd_range mm/vmalloc.c:238 [inline]
 vmap_pud_range mm/vmalloc.c:256 [inline]
 vmap_p4d_range mm/vmalloc.c:274 [inline]
 __map_kernel_range_noflush+0xae4/0x11d0 mm/vmalloc.c:315
 kmsan_map_kernel_range_noflush+0x1b4/0x210 mm/kmsan/kmsan_shadow.c:318
 map_kernel_range_noflush mm/vmalloc.c:329 [inline]
 map_kernel_range mm/vmalloc.c:339 [inline]
 __vmalloc_area_node mm/vmalloc.c:2540 [inline]
 __vmalloc_node_range+0xc83/0x1310 mm/vmalloc.c:2590
 __vmalloc_node mm/vmalloc.c:2633 [inline]
 vzalloc+0xe0/0xf0 mm/vmalloc.c:2686
 alloc_one_pg_vec_page net/packet/af_packet.c:4253 [inline]
 alloc_pg_vec net/packet/af_packet.c:4278 [inline]
 packet_set_ring+0x106c/0x45b0 net/packet/af_packet.c:4363
 packet_setsockopt+0x22a6/0x7910 net/packet/af_packet.c:3737
 __sys_setsockopt+0x94c/0xd80 net/socket.c:2117
 __do_sys_setsockopt net/socket.c:2128 [inline]
 __se_sys_setsockopt+0xdd/0x100 net/socket.c:2125
 __ia32_sys_setsockopt+0x62/0x80 net/socket.c:2125
 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline]
 __do_fast_syscall_32+0x127/0x180 arch/x86/entry/common.c:142
 do_fast_syscall_32+0x77/0xd0 arch/x86/entry/common.c:168
 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:211
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f9e549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55985fc EFLAGS: 00000296 ORIG_RAX: 000000000000016e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000107
RDX: 000000000000000d RSI: 0000000020000040 RDI: 000000000000001c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Local variable ----regs@__bpf_prog_run32 created at:
 __bpf_prog_run32+0x84/0x190 kernel/bpf/core.c:1748
 __bpf_prog_run32+0x84/0x190 kernel/bpf/core.c:1748
=====================================================

Crashes (52):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/06/23 02:57 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/21 16:28 https://github.com/google/kmsan.git master 6a6a67f21dec aba2b2fb .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/14 13:27 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/11 18:28 https://github.com/google/kmsan.git master 6099c9da2f7d 1ba81399 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/04 23:34 https://github.com/google/kmsan.git master 6099c9da2f7d 966a236b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/03 03:16 https://github.com/google/kmsan.git master 6099c9da2f7d 0740de69 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/06/01 00:54 https://github.com/google/kmsan.git master 6099c9da2f7d 032639db .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/05/31 22:44 https://github.com/google/kmsan.git master 6099c9da2f7d 032639db .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/05/24 22:36 https://github.com/google/kmsan.git master 6099c9da2f7d 3c7fef33 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/05/19 15:20 https://github.com/google/kmsan.git master 6099c9da2f7d a343ba6b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/05/19 04:03 https://github.com/google/kmsan.git master 6099c9da2f7d a343ba6b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/29 23:03 https://github.com/google/kmsan.git master 4ebaab5fb428 77e2b668 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/18 10:58 https://github.com/google/kmsan.git master 4ebaab5fb428 7e2b734b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/06 17:30 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/05 05:35 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/03 08:10 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/04/01 13:21 https://github.com/google/kmsan.git master 29ad81a1074a 6a81331a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/29 16:42 https://github.com/google/kmsan.git master 29ad81a1074a a8529b82 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/25 10:09 https://github.com/google/kmsan.git master 29ad81a1074a 607e3baf .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/25 09:41 https://github.com/google/kmsan.git master 29ad81a1074a 607e3baf .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/17 16:35 https://github.com/google/kmsan.git master 29ad81a1074a fdb2bb2c .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/12 19:11 https://github.com/google/kmsan.git master 29ad81a1074a 429d8a6b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/10 09:57 https://github.com/google/kmsan.git master 29ad81a1074a 26967e35 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/07 23:05 https://github.com/google/kmsan.git master 29ad81a1074a 75506d9c .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/07 13:19 https://github.com/google/kmsan.git master 29ad81a1074a 75506d9c .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/03/01 12:01 https://github.com/google/kmsan.git master 29ad81a1074a 4c37c133 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/28 21:56 https://github.com/google/kmsan.git master 29ad81a1074a 4c37c133 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/27 07:30 https://github.com/google/kmsan.git master 29ad81a1074a 4c37c133 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/26 16:43 https://github.com/google/kmsan.git master 29ad81a1074a 4c37c133 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/25 12:08 https://github.com/google/kmsan.git master 29ad81a1074a fcc6d71b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/24 18:02 https://github.com/google/kmsan.git master 29ad81a1074a fcc6d71b .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/22 12:38 https://github.com/google/kmsan.git master 29ad81a1074a a659b3f1 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/21 04:19 https://github.com/google/kmsan.git master 29ad81a1074a 3e5ed8b4 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/09 22:16 https://github.com/google/kmsan.git master 73d62e81b476 2bd9619f .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/09 21:42 https://github.com/google/kmsan.git master 73d62e81b476 2bd9619f .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/09 21:25 https://github.com/google/kmsan.git master 73d62e81b476 2bd9619f .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/09 21:14 https://github.com/google/kmsan.git master 73d62e81b476 2bd9619f .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/08 09:39 https://github.com/google/kmsan.git master 73d62e81b476 2ce644fc .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/08 06:52 https://github.com/google/kmsan.git master 73d62e81b476 2ce644fc .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/02/03 17:35 https://github.com/google/kmsan.git master 73d62e81b476 624dad51 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/01/19 02:21 https://github.com/google/kmsan.git master 73d62e81b476 63631df1 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __map_kernel_range_noflush
2021/01/10 12:52 https://github.com/google/kmsan.git master 73d62e81b476 2c1f2513 .config console log report info ci-upstream-kmsan-gce-386
2021/01/10 04:52 https://github.com/google/kmsan.git master 73d62e81b476 2c1f2513 .config console log report info ci-upstream-kmsan-gce-386
2021/01/10 04:36 https://github.com/google/kmsan.git master 73d62e81b476 2c1f2513 .config console log report info ci-upstream-kmsan-gce-386
2021/01/09 02:12 https://github.com/google/kmsan.git master 73d62e81b476 c104d4a3 .config console log report info ci-upstream-kmsan-gce-386
2021/01/07 00:29 https://github.com/google/kmsan.git master 73d62e81b476 c104d4a3 .config console log report info ci-upstream-kmsan-gce-386
2020/12/19 15:11 https://github.com/google/kmsan.git master 73d62e81b476 04201c06 .config console log report info ci-upstream-kmsan-gce-386
2020/12/15 04:05 https://github.com/google/kmsan.git master 73d62e81b476 97183ed7 .config console log report info ci-upstream-kmsan-gce-386
2020/12/12 02:31 https://github.com/google/kmsan.git master 73d62e81b476 ba24ffcd .config console log report info ci-upstream-kmsan-gce-386
2020/12/11 11:47 https://github.com/google/kmsan.git master 73d62e81b476 f900b48c .config console log report info ci-upstream-kmsan-gce-386
2020/11/25 03:46 https://github.com/google/kmsan.git master 73d62e81b476 e34b696c .config console log report info ci-upstream-kmsan-gce-386
2020/10/06 01:15 https://github.com/google/kmsan.git master 5edb1df295b9 1880b4a9 .config console log report info ci-upstream-kmsan-gce-386
* Struck through repros no longer work on HEAD.