syzbot


https://github.com/google/kmsan.git boot error: kernel BUG at mm/kmsan/kmsan.c:LINE!

Status: closed as invalid on 2018/09/05 16:40
Subsystems: acpica
[Documentation on labels]
First crash: 2408d, last: 2402d

Sample crash report:
console [ttyS0] enabled
bootconsole [earlyser0] disabled
bootconsole [earlyser0] disabled
ACPI: Core revision 20180313
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1071!
invalid opcode: 0000 [#1] SMP PTI
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_acpi_map+0x1a2/0x1b0 mm/kmsan/kmsan.c:1086
RSP: 0000:ffffffff8ac0fb20 EFLAGS: 00010002
RAX: 0000000000000003 RBX: ffffea00047ffc40 RCX: ffff88021fff12e0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffffff8ac0fb60 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc9003fffffff R11: ffffc9000000efff R12: ffffffff8ac372c0
R13: 0000000000007000 R14: 0000000000000007 R15: 0000000000000246
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88021ffff000 CR3: 000000000ac30000 CR4: 00000000000406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 acpi_map drivers/acpi/osl.c:292 [inline]
 acpi_os_map_iomem+0x58e/0xad0 drivers/acpi/osl.c:355
 acpi_os_map_memory+0x68/0x80 drivers/acpi/osl.c:378
 acpi_tb_acquire_table+0x168/0x380 drivers/acpi/acpica/tbdata.c:129
 acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:301 [inline]
 acpi_tb_validate_temp_table+0x18a/0x25a drivers/acpi/acpica/tbdata.c:372
 acpi_tb_verify_temp_table+0xd8/0xc00 drivers/acpi/acpica/tbdata.c:476
 acpi_reallocate_root_table+0x384/0x575 drivers/acpi/acpica/tbxface.c:180
 acpi_early_init+0x137/0x4e0 drivers/acpi/bus.c:1066
 start_kernel+0xf76/0x1120 init/main.c:699
 x86_64_start_reservations arch/x86/kernel/head64.c:453 [inline]
 x86_64_start_kernel+0xf0/0x100 arch/x86/kernel/head64.c:434
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:242
Code: 48 83 c4 20 5b 41 5c 41 5e 41 5f 5d c3 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe <0f> 0b eb fe 0f 0b eb fe 66 0f 1f 44 00 00 c3 0f 1f 44 00 00 66 
RIP: kmsan_acpi_map+0x1a2/0x1b0 mm/kmsan/kmsan.c:1086 RSP: ffffffff8ac0fb20
random: get_random_bytes called from init_oops_id kernel/panic.c:479 [inline] with crng_init=0
random: get_random_bytes called from print_oops_end_marker kernel/panic.c:489 [inline] with crng_init=0
random: get_random_bytes called from oops_exit+0xbb/0x170 kernel/panic.c:500 with crng_init=0
---[ end trace 7e06c1c3826de65c ]---

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/02 10:35 https://github.com/google/kmsan.git master e1675bf9bdba dba0b50e .config console log report ci-upstream-kmsan-gce
2018/07/02 10:35 https://github.com/google/kmsan.git master e1675bf9bdba dba0b50e .config console log report ci-upstream-kmsan-gce
2018/07/02 10:35 https://github.com/google/kmsan.git master e1675bf9bdba dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/29 15:44 https://github.com/google/kmsan.git master 04931ba40de0 dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/29 15:44 https://github.com/google/kmsan.git master 04931ba40de0 dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/29 15:44 https://github.com/google/kmsan.git master 04931ba40de0 dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/28 08:30 https://github.com/google/kmsan.git master 909df2ec2aac dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/28 08:30 https://github.com/google/kmsan.git master 909df2ec2aac dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/28 08:30 https://github.com/google/kmsan.git master 909df2ec2aac dba0b50e .config console log report ci-upstream-kmsan-gce
2018/06/27 08:13 https://github.com/google/kmsan.git master 909df2ec2aac 43e60f7e .config console log report ci-upstream-kmsan-gce
2018/06/27 08:13 https://github.com/google/kmsan.git master 909df2ec2aac 43e60f7e .config console log report ci-upstream-kmsan-gce
2018/06/27 08:12 https://github.com/google/kmsan.git master 909df2ec2aac 43e60f7e .config console log report ci-upstream-kmsan-gce
2018/06/26 14:59 https://github.com/google/kmsan.git master 909df2ec2aac b0294c53 .config console log report ci-upstream-kmsan-gce
2018/06/26 14:59 https://github.com/google/kmsan.git master 909df2ec2aac b0294c53 .config console log report ci-upstream-kmsan-gce
2018/06/26 14:59 https://github.com/google/kmsan.git master 909df2ec2aac b0294c53 .config console log report ci-upstream-kmsan-gce
2018/06/26 12:30 https://github.com/google/kmsan.git master 909df2ec2aac 089f1181 .config console log report ci-upstream-kmsan-gce
2018/06/26 12:30 https://github.com/google/kmsan.git master 909df2ec2aac 089f1181 .config console log report ci-upstream-kmsan-gce
2018/06/26 12:30 https://github.com/google/kmsan.git master 909df2ec2aac 089f1181 .config console log report ci-upstream-kmsan-gce
* Struck through repros no longer work on HEAD.