syzbot


WARNING in rxrpc_alloc_data_txbuf

Status: upstream: reported C repro on 2024/03/12 13:29
Subsystems: afs net
[Documentation on labels]
Reported-by: syzbot+150fa730f40bce72aa05@syzkaller.appspotmail.com
First crash: 39d, last: 1d03h
Cause bisection: introduced by (bisect log) [merge commit]:
commit c3874bbec942dad35768d9f2e7418d207fb75844
Author: Jakub Kicinski <kuba@kernel.org>
Date: Fri Mar 8 04:59:57 2024 +0000

  Merge tag 'rxrpc-iothread-20240305' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Crash: WARNING in rxrpc_alloc_data_txbuf (log)
Repro: C syz .config
  
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly net report (Mar 2024) 0 (1) 2024/03/29 18:37
Re: [PATCH net-next 1/2] rxrpc: Fix use of changed alignment param to page_frag_alloc_align() 1 (1) 2024/03/13 11:14
[syzbot] [net?] [afs?] WARNING in rxrpc_alloc_data_txbuf 1 (3) 2024/03/13 09:21
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/03/13 08:58 21m dhowells@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git rxrpc-iothread-20240312 OK log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 3 PID: 5188 at include/linux/gfp.h:323 page_frag_alloc_align include/linux/gfp.h:323 [inline]
WARNING: CPU: 3 PID: 5188 at include/linux/gfp.h:323 rxrpc_alloc_data_txbuf+0x13c/0xd30 net/rxrpc/txbuf.c:36
Modules linked in:

CPU: 3 PID: 5188 Comm: syz-executor749 Not tainted 6.8.0-syzkaller-11063-g277100b3d5fe #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:page_frag_alloc_align include/linux/gfp.h:323 [inline]
RIP: 0010:rxrpc_alloc_data_txbuf+0x13c/0xd30 net/rxrpc/txbuf.c:36
Code: ff df 48 c1 ea 03 44 89 7c 24 14 80 3c 02 00 0f 85 e4 0b 00 00 48 8b 43 10 48 05 80 02 00 00 48 89 44 24 08 e8 15 fa 92 f7 90 <0f> 0b 90 e8 0c fa 92 f7 8b 4c 24 10 44 89 e2 8b 74 24 14 48 8b 7c
RSP: 0018:ffffc90003277758 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880260b8000 RCX: 0000000000000000
RDX: ffff88801b612440 RSI: ffffffff89fa277b RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1f3f61a
R10: ffffc90003277758 R11: ffffffff934aaff8 R12: 0000000000000cc0
R13: ffff8880260b8010 R14: ffff8880249c1100 R15: 000000000000001c
FS:  0000555590f83380(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558d2d1ce000 CR3: 000000002db00000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxrpc_send_data+0xf93/0x2ab0 net/rxrpc/sendmsg.c:351
 rxrpc_do_sendmsg+0xc97/0x1590 net/rxrpc/sendmsg.c:718
 rxrpc_sendmsg+0x427/0x5f0 net/rxrpc/af_rxrpc.c:627
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0xab5/0xc90 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2638
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6104b283a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd11b573c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffd11b57598 RCX: 00007f6104b283a9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f6104b9b610 R08: 00007ffd11b57598 R09: 00007ffd11b57598
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd11b57588 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (9845):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/16 08:31 upstream 277100b3d5fe d615901c .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in rxrpc_alloc_data_txbuf
2024/03/13 18:31 upstream b0546776ad3f f919f202 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in rxrpc_alloc_data_txbuf
2024/03/08 23:19 net-next 75c2946db360 96d142e7 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rxrpc_alloc_data_txbuf
2024/04/15 18:07 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 17:35 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 16:24 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 16:20 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 14:49 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 14:49 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 13:47 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 12:39 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 11:40 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 10:39 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 10:33 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 09:29 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 08:29 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 08:23 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 06:07 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 04:48 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 03:45 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 03:21 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 02:06 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 01:05 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/15 01:03 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 23:44 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 22:37 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 21:30 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 20:51 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 19:42 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 18:03 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 17:23 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 13:43 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 11:47 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 09:47 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 08:56 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 06:34 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 06:21 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 04:22 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 02:44 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 02:00 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/14 00:20 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 23:43 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 22:20 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 22:19 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 21:10 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 20:10 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/13 20:02 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in rxrpc_alloc_data_txbuf
2024/04/12 20:35 upstream 480e035fc4c7 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in rxrpc_alloc_data_txbuf
2024/04/14 16:03 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in rxrpc_alloc_data_txbuf
2024/04/14 10:58 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in rxrpc_alloc_data_txbuf
2024/03/22 03:02 upstream 23956900041d 10ed73e3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in rxrpc_alloc_data_txbuf
2024/03/13 13:27 upstream b0546776ad3f f919f202 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in rxrpc_alloc_data_txbuf
2024/03/14 11:53 net 04d9d1fc428a f919f202 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in rxrpc_alloc_data_txbuf
2024/03/14 10:53 bpf d7d75124965a f919f202 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in rxrpc_alloc_data_txbuf
2024/04/08 11:35 bpf-next 14bb1e8c8d4a ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in rxrpc_alloc_data_txbuf
2024/03/28 13:58 net-next 237bb5f7f7f5 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in rxrpc_alloc_data_txbuf
* Struck through repros no longer work on HEAD.