Title | Replies (including bot) | Last reply |
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[syzbot] [overlayfs?] BUG: unable to handle kernel NULL pointer dereference in __lookup_slow (3) | 0 (1) | 2024/04/28 08:01 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [overlayfs?] BUG: unable to handle kernel NULL pointer dereference in __lookup_slow (3) | 0 (1) | 2024/04/28 08:01 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow reiserfs | C | inconclusive | done | 3 | 1183d | 1323d | 19/26 | fixed on 2021/03/10 01:48 |
linux-4.19 | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow (2) | C | done | 15 | 1005d | 1128d | 1/1 | fixed on 2021/09/13 16:54 | |
upstream | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow (2) reiserfs | C | inconclusive | 4 | 1043d | 1126d | 0/26 | auto-obsoleted due to no activity on 2023/04/14 10:28 | |
linux-4.19 | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | C | done | 23 | 1161d | 1319d | 1/1 | fixed on 2021/04/10 11:48 |
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 8000000022852067 P4D 8000000022852067 PUD 2dc51067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5070 Comm: syz-executor324 Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000352f1b8 EFLAGS: 00010246 RAX: 1ffffffff17b0bc0 RBX: ffffffff8bd85e00 RCX: ffff88807ef35a00 RDX: 0000000000000000 RSI: ffff8880207f85e0 RDI: ffff88807ebf8018 RBP: ffffc9000352f2d0 R08: ffffffff820b2843 R09: 1ffffffff28ed13f R10: dffffc0000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880207f85e0 R14: 1ffff110040ff0bc R15: 1ffff920006a5e3c FS: 0000555558bc6380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001cba8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __lookup_slow+0x28c/0x3f0 fs/namei.c:1692 lookup_slow fs/namei.c:1709 [inline] lookup_one_unlocked+0x1a4/0x290 fs/namei.c:2817 ovl_lookup_positive_unlocked fs/overlayfs/namei.c:210 [inline] ovl_lookup_single+0x200/0xbd0 fs/overlayfs/namei.c:240 ovl_lookup_layer+0x417/0x510 fs/overlayfs/namei.c:333 ovl_lookup+0xcf7/0x2a60 fs/overlayfs/namei.c:1124 lookup_open fs/namei.c:3475 [inline] open_last_lookups fs/namei.c:3566 [inline] path_openat+0x1033/0x3240 fs/namei.c:3796 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd739fc9f39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc39adcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6e69666e6f636e75 RCX: 00007fd739fc9f39 RDX: 0000000000001200 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 646165725f78616d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7269647265776f6c R14: 0079616c7265766f R15: 2f31656c69662f2e </TASK> Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000352f1b8 EFLAGS: 00010246 RAX: 1ffffffff17b0bc0 RBX: ffffffff8bd85e00 RCX: ffff88807ef35a00 RDX: 0000000000000000 RSI: ffff8880207f85e0 RDI: ffff88807ebf8018 RBP: ffffc9000352f2d0 R08: ffffffff820b2843 R09: 1ffffffff28ed13f R10: dffffc0000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880207f85e0 R14: 1ffff110040ff0bc R15: 1ffff920006a5e3c FS: 0000555558bc6380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001cba8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/24 08:19 | upstream | 9d1ddab261f3 | 21339d7b | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | |
2024/05/03 20:17 | upstream | f03359bca01b | dd26401e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/28 20:23 | upstream | 2c8159388952 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/28 16:02 | upstream | 2c8159388952 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/27 16:48 | upstream | 5eb4573ea63d | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/27 00:31 | upstream | c942a0cd3603 | 059e9963 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/26 03:06 | upstream | e33c4963bf53 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/25 23:56 | upstream | e33c4963bf53 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/25 16:42 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/25 13:18 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/25 11:22 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/25 11:20 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 22:39 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 22:06 | upstream | e88c4cfcb7b8 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 13:07 | upstream | 9d1ddab261f3 | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 10:46 | upstream | 9d1ddab261f3 | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 08:05 | upstream | 9d1ddab261f3 | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow | ||
2024/04/24 07:50 | upstream | 9d1ddab261f3 | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in __lookup_slow |