Title | Replies (including bot) | Last reply |
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[syzbot] KASAN: null-ptr-deref Write in alloc_buddy_huge_page | 0 (1) | 2022/09/25 17:19 |
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Title | Replies (including bot) | Last reply |
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[syzbot] KASAN: null-ptr-deref Write in alloc_buddy_huge_page | 0 (1) | 2022/09/25 17:19 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/04/20 14:13 | 29m | retest repro | linux-next | OK log |
================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline] BUG: KASAN: null-ptr-deref in atomic_cmpxchg include/linux/atomic/atomic-instrumented.h:503 [inline] BUG: KASAN: null-ptr-deref in page_ref_freeze include/linux/page_ref.h:318 [inline] BUG: KASAN: null-ptr-deref in alloc_buddy_huge_page.isra.0+0x103/0x230 mm/hugetlb.c:1960 Write of size 4 at addr 0000000000000034 by task syz-executor107/3608 CPU: 0 PID: 3608 Comm: syz-executor107 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 kasan_report+0xbb/0x1f0 mm/kasan/report.c:495 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:102 [inline] atomic_cmpxchg include/linux/atomic/atomic-instrumented.h:503 [inline] page_ref_freeze include/linux/page_ref.h:318 [inline] alloc_buddy_huge_page.isra.0+0x103/0x230 mm/hugetlb.c:1960 alloc_fresh_huge_page+0x395/0x530 mm/hugetlb.c:2013 alloc_surplus_huge_page+0x139/0x2f0 mm/hugetlb.c:2227 alloc_buddy_huge_page_with_mpol mm/hugetlb.c:2304 [inline] alloc_huge_page+0xbf6/0x1180 mm/hugetlb.c:2919 hugetlb_no_page mm/hugetlb.c:5571 [inline] hugetlb_fault+0x1056/0x1e60 mm/hugetlb.c:5796 follow_hugetlb_page+0x3f3/0x1850 mm/hugetlb.c:6291 __get_user_pages+0x2cb/0xf10 mm/gup.c:1146 __get_user_pages_locked mm/gup.c:1378 [inline] __get_user_pages_remote+0x18f/0x830 mm/gup.c:2131 pin_user_pages_remote+0x6c/0xb0 mm/gup.c:3189 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core.constprop.0+0x43b/0x980 mm/process_vm_access.c:215 process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xdf/0x1b0 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff4166016c9 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff99de70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff4166016c9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000e18 RBP: 00007fff99de70e0 R08: 000000000000023a R09: 0000000000000000 R10: 0000000020121000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/09/24 16:47 | linux-next | aaa11ce2ffc8 | 0042f2b4 | .config | strace log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/10/15 16:02 | linux-next | aaa11ce2ffc8 | 67cb024c | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/10/11 00:26 | linux-next | aaa11ce2ffc8 | aea5da89 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/10/10 15:54 | linux-next | aaa11ce2ffc8 | aea5da89 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/10/09 12:36 | linux-next | aaa11ce2ffc8 | aea5da89 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/10/08 08:27 | linux-next | aaa11ce2ffc8 | 0de35f24 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/10/08 01:59 | linux-next | aaa11ce2ffc8 | 0de35f24 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/10/08 00:40 | linux-next | aaa11ce2ffc8 | 0de35f24 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/10/06 01:15 | linux-next | aaa11ce2ffc8 | 2c6543ad | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/10/01 21:20 | linux-next | aaa11ce2ffc8 | feb56351 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | ||
2022/09/28 02:53 | linux-next | aaa11ce2ffc8 | 75c78242 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/27 07:59 | linux-next | aaa11ce2ffc8 | 10323ddf | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/27 07:59 | linux-next | aaa11ce2ffc8 | 10323ddf | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/26 03:19 | linux-next | aaa11ce2ffc8 | 0042f2b4 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/25 21:44 | linux-next | aaa11ce2ffc8 | 0042f2b4 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/24 16:33 | linux-next | aaa11ce2ffc8 | 0042f2b4 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page | |||
2022/09/23 11:09 | linux-next | aaa11ce2ffc8 | 0042f2b4 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: null-ptr-deref Write in alloc_buddy_huge_page |