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WARNING: zero-size vmalloc in print_tainted

Status: upstream: reported C repro on 2023/05/08 16:51
Subsystems: bpf net
[Documentation on labels]
Reported-by: syzbot+fae676d3cf469331fc89@syzkaller.appspotmail.com
Fix commit: a12bbb3cccf0 xdp: Fix zero-size allocation warning in xskq_create()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 211d, last: 174d
▶ ▼ Discussions (5)
Title Replies (including bot) Last reply
[PATCH bpf v4] net/xdp: fix zero-size allocation warning in xskq_create() 3 (3) 2023/10/09 14:20
[PATCH bpf v3] net/xdp: fix zero-size allocation warning in xskq_create() 8 (8) 2023/10/07 06:56
[PATCH net-next v2] net/xdp: fix zero-size allocation warning in xskq_create() 4 (4) 2023/10/05 07:35
[PATCH net-next v1] net/xdp: fix zero-size allocation warning in xskq_create() 3 (3) 2023/10/02 22:03
[syzbot] [bpf?] [net?] WARNING: zero-size vmalloc in print_tainted 0 (1) 2023/05/08 16:51
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2023/10/05 08:28 22m andrew.kanner@gmail.com patch bpf OK log
2023/10/05 08:04 23m andrew.kanner@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git -- OK log
2023/09/28 17:04 1h03m andrew.kanner@gmail.com patch upstream OK log
2023/08/30 19:26 5m andrew.kanner@gmail.com upstream error OK
2023/08/20 14:15 4m retest repro upstream error OK

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2949 at mm/vmalloc.c:3132 __vmalloc_node_range+0x44c/0x584 mm/vmalloc.c:3132
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 PID: 2949 Comm: syz-executor398 Not tainted 6.3.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<817b2528>] (dump_backtrace) from [<817b261c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:81d81ac0 r6:82422c04 r5:60000093 r4:81d901cc
[<817b2604>] (show_stack) from [<817cec84>] (__dump_stack lib/dump_stack.c:88 [inline])
[<817b2604>] (show_stack) from [<817cec84>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<817cec3c>] (dump_stack_lvl) from [<817ceca8>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:8264dd14
[<817cec90>] (dump_stack) from [<817b3110>] (panic+0x11c/0x36c kernel/panic.c:340)
[<817b2ff4>] (panic) from [<802422ec>] (print_tainted+0x0/0xa0 kernel/panic.c:236)
 r3:8240c488 r2:00000001 r1:81d79fcc r0:81d81ac0
 r7:80469ba0
[<80242268>] (check_panic_on_warn) from [<802424e0>] (__warn+0x7c/0x180 kernel/panic.c:673)
[<80242464>] (__warn) from [<802426bc>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697)
 r8:00000009 r7:00000c3c r6:81da5110 r5:8240c954 r4:822ab6bc
[<802425e8>] (warn_slowpath_fmt) from [<80469ba0>] (__vmalloc_node_range+0x44c/0x584 mm/vmalloc.c:3132)
 r10:00000dc0 r9:8410d080 r8:83d04e80 r7:df800000 r6:00004000 r5:00000000
 r4:00000000
[<80469754>] (__vmalloc_node_range) from [<80469db0>] (vmalloc_user+0x6c/0x74 mm/vmalloc.c:3359)
 r10:00000126 r9:8410d080 r8:83d04e80 r7:00000000 r6:00000000 r5:842aa940
 r4:00000000
[<80469d44>] (vmalloc_user) from [<81767778>] (xskq_create+0x74/0xc4 net/xdp/xsk_queue.c:39)
[<81767704>] (xskq_create) from [<81766c64>] (xsk_init_queue net/xdp/xsk.c:756 [inline])
[<81767704>] (xskq_create) from [<81766c64>] (xsk_setsockopt+0x1c0/0x2bc net/xdp/xsk.c:1080)
 r7:83d04eac r6:83d04c00 r5:00000000 r4:00000003
[<81766aa8>] (xsk_setsockopt) from [<812f6720>] (__sys_setsockopt+0xd4/0x1c8 net/socket.c:2271)
 r8:80200288 r7:00000126 r6:000118b0 r5:81766aa4 r4:844eb900
[<812f664c>] (__sys_setsockopt) from [<812f6830>] (__do_sys_setsockopt net/socket.c:2282 [inline])
[<812f664c>] (__sys_setsockopt) from [<812f6830>] (sys_setsockopt+0x1c/0x24 net/socket.c:2279)
 r5:00000000 r4:00000020
[<812f6814>] (sys_setsockopt) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xdf981fa8 to 0xdf981ff0)
1fa0:                   00000020 00000000 00000003 0000011b 00000003 20000040
1fc0: 00000020 00000000 000118b0 00000126 000f4240 00000000 00000000 00003a97
1fe0: 7e9b4c90 7e9b4c80 00010624 0002a900
Rebooting in 86400 seconds..

Crashes (79):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/07 07:41 upstream 457391b03803 90c93c40 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/11 14:14 upstream 022ce8862dff 49519f06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/10 19:14 upstream 64569520920a 49519f06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/10 00:10 upstream 33f2b5785a2b 9018a337 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/09 09:39 upstream 8d15d5e1851b 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/08 19:49 upstream 5f63595ebd82 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/08 08:26 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/08 05:41 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/07 03:34 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/07 02:07 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/06 11:45 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/06 08:36 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/06 06:56 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/06 05:12 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/06 05:05 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/05 16:52 upstream 9561de3a55be a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/04 14:08 upstream e5282a7d8f6b a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/03 10:46 upstream 4ecd704a4c51 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/02 23:30 upstream 9e87b63ed37e a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/02 20:18 upstream 9e87b63ed37e a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/02 11:08 upstream 1874a42a7d74 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/06/01 10:58 upstream 929ed21dfdb6 babc4389 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/31 22:15 upstream 48b1320a674e e2a77acd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/31 05:31 upstream afead42fdfca 09898419 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/30 05:56 upstream 8b817fded42d cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/30 05:32 upstream 8b817fded42d cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/29 17:56 upstream e338142b39cf cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/29 17:55 upstream e338142b39cf cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/29 17:55 upstream e338142b39cf cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/29 03:19 upstream 7877cb91f108 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/29 03:18 upstream 7877cb91f108 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/27 11:38 upstream a92c9ab69f66 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/25 17:45 upstream 933174ae28ba 51e154a0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/24 10:37 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/24 10:36 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/24 09:09 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/23 08:58 upstream 421ca22e3138 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/22 19:31 upstream 44c026a73be8 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 18:03 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 17:59 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 17:59 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 16:55 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 16:54 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 16:54 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 14:09 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 03:57 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 03:36 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/21 01:33 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/17 16:30 upstream f1fcbaa18b28 eaac4681 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/17 02:13 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/16 22:24 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/14 11:50 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/13 18:46 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/13 18:00 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/13 18:00 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/13 18:00 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/13 14:52 upstream 457391b03803 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/12 22:38 upstream 457391b03803 893599a2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/12 22:28 upstream 457391b03803 893599a2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/12 06:37 upstream 457391b03803 adb9a3cd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/12 06:26 upstream 457391b03803 adb9a3cd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/10 05:41 upstream 457391b03803 1964022b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/06 09:33 upstream 457391b03803 90c93c40 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
2023/05/05 08:29 upstream 457391b03803 518a39a6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING: zero-size vmalloc in print_tainted
* Struck through repros no longer work on HEAD.