Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | general protection fault in do_check_common bpf | C | done | 5 | 630d | 634d | 22/26 | fixed on 2023/02/24 13:50 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | general protection fault in do_check_common bpf | C | done | 5 | 630d | 634d | 22/26 | fixed on 2023/02/24 13:50 |
================================================================== BUG: KFENCE: out-of-bounds write in push_jmp_history kernel/bpf/verifier.c:1776 [inline] BUG: KFENCE: out-of-bounds write in is_state_visited kernel/bpf/verifier.c:9321 [inline] BUG: KFENCE: out-of-bounds write in do_check kernel/bpf/verifier.c:9461 [inline] BUG: KFENCE: out-of-bounds write in do_check_common+0x3b89/0xd090 kernel/bpf/verifier.c:11570 Out-of-bounds write at 0xffff88823bc37004 (140B right of kfence-#26): push_jmp_history kernel/bpf/verifier.c:1776 [inline] is_state_visited kernel/bpf/verifier.c:9321 [inline] do_check kernel/bpf/verifier.c:9461 [inline] do_check_common+0x3b89/0xd090 kernel/bpf/verifier.c:11570 do_check_main kernel/bpf/verifier.c:11636 [inline] bpf_check+0x900a/0xcbe0 kernel/bpf/verifier.c:12171 bpf_prog_load+0xe47/0x1f40 kernel/bpf/syscall.c:2204 __do_sys_bpf+0x1251/0x4f00 kernel/bpf/syscall.c:4382 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 kfence-#26 [0xffff88823bc36f78-0xffff88823bc36fff, size=136, cache=kmalloc-192] allocated by task 10993: __do_krealloc mm/slab_common.c:1157 [inline] krealloc+0x7e/0xd0 mm/slab_common.c:1190 push_jmp_history kernel/bpf/verifier.c:1773 [inline] is_state_visited kernel/bpf/verifier.c:9321 [inline] do_check kernel/bpf/verifier.c:9461 [inline] do_check_common+0x3b2a/0xd090 kernel/bpf/verifier.c:11570 do_check_main kernel/bpf/verifier.c:11636 [inline] bpf_check+0x900a/0xcbe0 kernel/bpf/verifier.c:12171 bpf_prog_load+0xe47/0x1f40 kernel/bpf/syscall.c:2204 __do_sys_bpf+0x1251/0x4f00 kernel/bpf/syscall.c:4382 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 CPU: 1 PID: 10993 Comm: syz-executor.4 Not tainted 5.11.0-rc6-next-20210202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:push_jmp_history kernel/bpf/verifier.c:1776 [inline] RIP: 0010:is_state_visited kernel/bpf/verifier.c:9321 [inline] RIP: 0010:do_check kernel/bpf/verifier.c:9461 [inline] RIP: 0010:do_check_common+0x3b89/0xd090 kernel/bpf/verifier.c:11570 Code: fe ff ff 49 8d 7c 24 04 8b 08 48 89 f8 48 c1 e8 03 0f b6 14 18 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6f 59 00 00 <41> 89 4c 24 04 48 8b 8d 30 fe ff ff 48 89 c8 48 c1 e8 03 0f b6 14 RSP: 0018:ffffc90001bbf760 EFLAGS: 00010246 RAX: 0000000000000007 RBX: dffffc0000000000 RCX: 0000000000000007 RDX: 0000000000000000 RSI: ffffffff818432cb RDI: ffff88823bc37004 RBP: ffffc90001bbf990 R08: 0000000000000000 R09: 000000000000002e R10: ffffffff8132a08a R11: 000000000000003f R12: ffff88823bc37000 R13: ffff88823bc36f78 R14: ffff8880275ffa68 R15: ffff8880275ffa70 FS: 00007f67fd8f8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823bc37004 CR3: 0000000011eeb000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_check_main kernel/bpf/verifier.c:11636 [inline] bpf_check+0x900a/0xcbe0 kernel/bpf/verifier.c:12171 bpf_prog_load+0xe47/0x1f40 kernel/bpf/syscall.c:2204 __do_sys_bpf+0x1251/0x4f00 kernel/bpf/syscall.c:4382 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x465b09 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:00007f67fd8f8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe16c4060f R14: 00007f67fd8f8300 R15: 0000000000022000 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/02/03 09:31 | linux-next | fb2a9c320987 | 624dad51 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KFENCE: out-of-bounds in do_check_common | |||
2021/02/03 05:33 | linux-next | fb2a9c320987 | 624dad51 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KFENCE: out-of-bounds in do_check_common | |||
2021/02/03 03:26 | linux-next | fb2a9c320987 | 624dad51 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KFENCE: out-of-bounds in do_check_common | |||
2021/02/03 03:24 | linux-next | fb2a9c320987 | 624dad51 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KFENCE: out-of-bounds in do_check_common |