syzbot


BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready

Status: upstream: reported C repro on 2024/02/13 08:31
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+cff23e68b26608c779a9@syzkaller.appspotmail.com
First crash: 105d, last: 22m
Bug presence (4)
Date Name Commit Repro Result
2024/03/29 android14-6.1 (ToT) 5b8114ec3c92 C [report] BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/02/13 lts (merge base) ba6f5fb46511 C [report] BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/02/13 upstream (ToT) 7e90b5c295ec C [report] BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/29 upstream (ToT) 317c7bc0ef03 C Didn't crash
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready net bpf C unreliable 15 86d 206d 26/26 fixed on 2024/04/02 10:57
linux-6.1 BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready origin:upstream C done 1 103d 103d 3/3 fixed on 2024/03/18 12:46
upstream general protection fault in sk_psock_verdict_data_ready net 2 356d 362d 0/26 auto-obsoleted due to no activity on 2023/09/14 09:29
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/02/27 08:31 11m retest repro android14-6.1 report log

Sample crash report:
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 1209af067 P4D 1209af067 PUD 1209c6067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 440 Comm: syz-executor288 Not tainted 6.1.68-syzkaller-00011-g8481b97df54a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90001117908 EFLAGS: 00010246
RAX: 1ffff110238c5a97 RBX: ffff88811c62d4b8 RCX: ffff88811ff8a880
RDX: 0000000000000000 RSI: ffff88811c62d400 RDI: ffff88811c474000
RBP: ffffc90001117930 R08: ffffffff841c1357 R09: ffff888100b99980
R10: 0000000000000010 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: ffff88811c474000 R15: dffffc0000000000
FS:  00007f2673a496c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001209c9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sk_psock_verdict_data_ready+0x129/0x160 net/core/skmsg.c:1219
 unix_stream_sendmsg+0x8fd/0x1070 net/unix/af_unix.c:2245
 sock_sendmsg_nosec net/socket.c:716 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 ____sys_sendmsg+0x5dc/0x9d0 net/socket.c:2499
 ___sys_sendmsg net/socket.c:2553 [inline]
 __sys_sendmsg+0x2a9/0x390 net/socket.c:2582
 __do_sys_sendmsg net/socket.c:2591 [inline]
 __se_sys_sendmsg net/socket.c:2589 [inline]
 __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2589
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2673aca729
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2673a49218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2673b54368 RCX: 00007f2673aca729
RDX: 0000000000040000 RSI: 0000000020000980 RDI: 0000000000000003
RBP: 00007f2673b54360 R08: 00007ffc219bb827 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2673b5436c
R13: 00007f2673b21074 R14: 656c6c616b7a7973 R15: 00007ffc219bb828
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90001117908 EFLAGS: 00010246
RAX: 1ffff110238c5a97 RBX: ffff88811c62d4b8 RCX: ffff88811ff8a880
RDX: 0000000000000000 RSI: ffff88811c62d400 RDI: ffff88811c474000
RBP: ffffc90001117930 R08: ffffffff841c1357 R09: ffff888100b99980
R10: 0000000000000010 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: ffff88811c474000 R15: dffffc0000000000
FS:  00007f2673a496c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001209c9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (60):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/13 08:30 android14-6.1 8481b97df54a 77b23aa1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/28 08:19 android14-6.1 68c821783c76 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/27 23:25 android14-6.1 68c821783c76 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/27 21:30 android14-6.1 68c821783c76 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/27 10:28 android14-6.1 68c821783c76 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/26 23:33 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/26 17:52 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/26 16:49 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/26 09:22 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/26 03:53 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 16:19 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 13:17 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 10:46 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 09:05 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 08:51 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 08:48 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/25 00:24 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/23 20:34 android14-6.1 0a5aada71cc9 4c2072ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/23 20:20 android14-6.1 0a5aada71cc9 4c2072ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/23 20:14 android14-6.1 0a5aada71cc9 4c2072ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 17:34 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 17:31 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 17:30 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 17:27 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 17:27 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/22 02:48 android14-6.1 0a5aada71cc9 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/20 11:19 android14-6.1 bd552fcbbd0f c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/20 06:54 android14-6.1 bd552fcbbd0f c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/19 09:34 android14-6.1 bd552fcbbd0f c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/17 13:48 android14-6.1 a9dca663a7f2 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/14 13:08 android14-6.1 47dfe41d57ca fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/14 13:02 android14-6.1 47dfe41d57ca fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/14 09:04 android14-6.1 4d55129aea65 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/13 02:13 android14-6.1 4d55129aea65 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/11 06:46 android14-6.1 4d55129aea65 f7c35481 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/10 13:14 android14-6.1 cf685d2b0273 de979bc2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/08 00:05 android14-6.1 d5e04556d434 cb2dcc0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/07 02:32 android14-6.1 1794308d463f fa7a5cf0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/05/07 00:29 android14-6.1 1794308d463f fa7a5cf0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/04/30 10:43 android14-6.1 4744b3a4ed72 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/04/16 14:06 android14-6.1 77fec6cefe26 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/30 20:11 android14-6.1 5b8114ec3c92 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/21 01:12 android14-6.1 3f5807c586a6 5b7d42ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/16 04:08 android14-6.1 ef39f76e4d24 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/14 20:29 android14-6.1 ef39f76e4d24 8d8ee116 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/14 07:45 android14-6.1 ef39f76e4d24 f919f202 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/13 21:38 android14-6.1 4c25eb8ea5a2 f919f202 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/10 14:36 android14-6.1 5f66e7c904ee 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/10 08:53 android14-6.1 5f66e7c904ee 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/09 22:10 android14-6.1 5f66e7c904ee 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/08 16:55 android14-6.1 9219a44e003d 8e75c913 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/04 03:58 android14-6.1 09ca5740fbbe 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
2024/03/01 23:13 android14-6.1 09ca5740fbbe 83acf9e0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: unable to handle kernel NULL pointer dereference in sk_psock_verdict_data_ready
* Struck through repros no longer work on HEAD.