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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KMSAN: uninit-value in __mpol_equal mm | 1 | 950d | 943d | 0/25 | auto-closed as invalid on 2021/08/22 02:07 | |||
| upstream | KMSAN: uninit-value in __mpol_equal (2) mm | 5 | 795d | 799d | 0/25 | closed as invalid on 2021/09/27 07:07 |
===================================================== BUG: KMSAN: uninit-value in __mpol_equal+0x567/0x590 mm/mempolicy.c:2260 __mpol_equal+0x567/0x590 mm/mempolicy.c:2260 mpol_equal include/linux/mempolicy.h:105 [inline] vma_merge+0x4a1/0x1e60 mm/mmap.c:1190 mbind_range+0xcc8/0x1e80 mm/mempolicy.c:811 do_mbind+0xf42/0x15f0 mm/mempolicy.c:1333 kernel_mbind mm/mempolicy.c:1483 [inline] __do_sys_mbind mm/mempolicy.c:1490 [inline] __se_sys_mbind+0x437/0xb80 mm/mempolicy.c:1486 __x64_sys_mbind+0x19d/0x200 mm/mempolicy.c:1486 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae Uninit was created at: slab_alloc_node mm/slub.c:3221 [inline] slab_alloc mm/slub.c:3230 [inline] kmem_cache_alloc+0x751/0xff0 mm/slub.c:3235 mpol_new mm/mempolicy.c:293 [inline] do_mbind+0x912/0x15f0 mm/mempolicy.c:1289 kernel_mbind mm/mempolicy.c:1483 [inline] __do_sys_mbind mm/mempolicy.c:1490 [inline] __se_sys_mbind+0x437/0xb80 mm/mempolicy.c:1486 __x64_sys_mbind+0x19d/0x200 mm/mempolicy.c:1486 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae ===================================================== Kernel panic - not syncing: panic_on_kmsan set ... CPU: 1 PID: 15890 Comm: syz-executor.2 Tainted: G B 5.15.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1ff/0x28e lib/dump_stack.c:106 dump_stack+0x25/0x28 lib/dump_stack.c:113 panic+0x44f/0xdeb kernel/panic.c:232 kmsan_report+0x2ee/0x300 mm/kmsan/report.c:168 __msan_warning+0xa9/0xf0 mm/kmsan/instrumentation.c:199 __mpol_equal+0x567/0x590 mm/mempolicy.c:2260 mpol_equal include/linux/mempolicy.h:105 [inline] vma_merge+0x4a1/0x1e60 mm/mmap.c:1190 mbind_range+0xcc8/0x1e80 mm/mempolicy.c:811 do_mbind+0xf42/0x15f0 mm/mempolicy.c:1333 kernel_mbind mm/mempolicy.c:1483 [inline] __do_sys_mbind mm/mempolicy.c:1490 [inline] __se_sys_mbind+0x437/0xb80 mm/mempolicy.c:1486 __x64_sys_mbind+0x19d/0x200 mm/mempolicy.c:1486 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f15d47e0a39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f15d1d56188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007f15d48e3f60 RCX: 00007f15d47e0a39 RDX: 0000000000002001 RSI: 0000000000c00000 RDI: 0000000020012000 RBP: 00007f15d483ac5f R08: 0000000000000000 R09: 0000010000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f15d4e17b2f R14: 00007f15d1d56300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/10/21 08:17 | https://github.com/google/kmsan.git master | d6493d2046c4 | f111d03b | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/15 01:13 | https://github.com/google/kmsan.git master | c7f84f4e1147 | 7aa5fe41 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/12 10:23 | https://github.com/google/kmsan.git master | c7f84f4e1147 | 838e7e2c | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/09 21:42 | https://github.com/google/kmsan.git master | c7f84f4e1147 | 838e7e2c | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/07 17:40 | https://github.com/google/kmsan.git master | c7f84f4e1147 | efe0f24d | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/04 20:48 | https://github.com/google/kmsan.git master | 90f502f5d016 | ce697b49 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/04 07:20 | https://github.com/google/kmsan.git master | 90f502f5d016 | db0f5787 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/01 22:53 | https://github.com/google/kmsan.git master | 90f502f5d016 | cc80db95 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/10/01 03:36 | https://github.com/google/kmsan.git master | 90f502f5d016 | 1d849ab4 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/09/30 06:23 | https://github.com/google/kmsan.git master | 90f502f5d016 | be530f6c | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/09/29 06:44 | https://github.com/google/kmsan.git master | 90f502f5d016 | d82cb927 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/09/27 20:44 | https://github.com/google/kmsan.git master | cd2c05533838 | 78494d16 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal | |||
| 2021/09/27 09:58 | https://github.com/google/kmsan.git master | cd2c05533838 | 78494d16 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in __mpol_equal |