Title | Replies (including bot) | Last reply |
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[syzbot] [mm?] general protection fault in khugepaged (3) | 0 (1) | 2024/07/13 12:38 |
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[syzbot] [mm?] general protection fault in khugepaged (3) | 0 (1) | 2024/07/13 12:38 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | general protection fault in khugepaged mm | C | done | 3 | 1599d | 1611d | 15/28 | fixed on 2020/09/16 22:51 | |
upstream | general protection fault in khugepaged (2) mm | 1 | 374d | 370d | 0/28 | auto-obsoleted due to no activity on 2024/01/27 04:37 | |||
linux-4.19 | general protection fault in khugepaged | 1 | 1117d | 1117d | 0/1 | auto-closed as invalid on 2022/03/15 05:26 |
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000084: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000420-0x0000000000000427] CPU: 1 UID: 0 PID: 37 Comm: khugepaged Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:khugepaged_scan_mm_slot mm/khugepaged.c:2383 [inline] RIP: 0010:khugepaged_do_scan mm/khugepaged.c:2515 [inline] RIP: 0010:khugepaged+0x771/0x1dc0 mm/khugepaged.c:2571 Code: 8b 1b be 00 00 00 01 48 21 de 31 ff e8 c8 ea 92 ff b8 00 00 00 01 48 21 c3 0f 85 4a 0d 00 00 49 8d 7d 20 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 d3 7e f9 ff 4d 8b 75 20 49 8d 5d 70 48 89 RSP: 0018:ffffc90000ad7bc0 EFLAGS: 00010207 RAX: 0000000000000084 RBX: 0000000000000000 RCX: ffff88801fefda00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000426 RBP: ffffc90000ad7ed0 R08: ffffffff8201f248 R09: 1ffff1100358ea2e R10: dffffc0000000000 R11: ffffed100358ea2f R12: ffff88801ac74a00 R13: 0000000000000406 R14: 00000000180400fb R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb17451ed58 CR3: 0000000064988000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:khugepaged_scan_mm_slot mm/khugepaged.c:2383 [inline] RIP: 0010:khugepaged_do_scan mm/khugepaged.c:2515 [inline] RIP: 0010:khugepaged+0x771/0x1dc0 mm/khugepaged.c:2571 Code: 8b 1b be 00 00 00 01 48 21 de 31 ff e8 c8 ea 92 ff b8 00 00 00 01 48 21 c3 0f 85 4a 0d 00 00 49 8d 7d 20 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 d3 7e f9 ff 4d 8b 75 20 49 8d 5d 70 48 89 RSP: 0018:ffffc90000ad7bc0 EFLAGS: 00010207 RAX: 0000000000000084 RBX: 0000000000000000 RCX: ffff88801fefda00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000426 RBP: ffffc90000ad7ed0 R08: ffffffff8201f248 R09: 1ffff1100358ea2e R10: dffffc0000000000 R11: ffffed100358ea2f R12: ffff88801ac74a00 R13: 0000000000000406 R14: 00000000180400fb R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555594c407d0 CR3: 0000000064988000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8b 1b mov (%rbx),%ebx 2: be 00 00 00 01 mov $0x1000000,%esi 7: 48 21 de and %rbx,%rsi a: 31 ff xor %edi,%edi c: e8 c8 ea 92 ff call 0xff92ead9 11: b8 00 00 00 01 mov $0x1000000,%eax 16: 48 21 c3 and %rax,%rbx 19: 0f 85 4a 0d 00 00 jne 0xd69 1f: 49 8d 7d 20 lea 0x20(%r13),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 05 je 0x36 31: e8 d3 7e f9 ff call 0xfff97f09 36: 4d 8b 75 20 mov 0x20(%r13),%r14 3a: 49 8d 5d 70 lea 0x70(%r13),%rbx 3e: 48 rex.W 3f: 89 .byte 0x89
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/29 22:31 | upstream | e42b1a9a2557 | 66aeb999 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | general protection fault in khugepaged | ||
2024/09/15 18:37 | upstream | d42f7708e27c | 08d8a733 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | general protection fault in khugepaged | ||
2024/09/15 10:15 | upstream | 0babf683783d | 08d8a733 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | general protection fault in khugepaged | ||
2024/09/08 12:42 | upstream | d1f2d51b711a | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | general protection fault in khugepaged | ||
2024/08/02 09:11 | upstream | c0ecd6388360 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | general protection fault in khugepaged | ||
2024/08/01 20:53 | upstream | 21b136cc63d2 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | general protection fault in khugepaged | ||
2024/07/13 12:37 | upstream | 528dd46d0fc3 | eaeb5c15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-badwrites-root | general protection fault in khugepaged | ||
2024/07/01 22:27 | upstream | 22a40d14b572 | b294e901 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | general protection fault in khugepaged | ||
2024/04/21 10:16 | upstream | 977b1ef51866 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | general protection fault in khugepaged | ||
2024/02/02 12:37 | upstream | 021533194476 | 60bf9982 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-badwrites-root | general protection fault in khugepaged | ||
2024/10/21 21:52 | upstream | 42f7652d3eb5 | f1e4447c | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | general protection fault in khugepaged | ||
2024/07/02 05:34 | upstream | 9903efbddba0 | b294e901 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | general protection fault in khugepaged | ||
2024/10/04 21:49 | upstream | 0c559323bbaa | d7906eff | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream-386 | general protection fault in khugepaged |