syzbot


KMSAN: uninit-value in nci_rx_work

Status: upstream: reported C repro on 2024/01/01 13:38
Subsystems: net nfc
[Documentation on labels]
Reported-by: syzbot+d7b4dc6cd50410152534@syzkaller.appspotmail.com
First crash: 118d, last: 14h06m
Discussions (10)
Title Replies (including bot) Last reply
[PATCH net] nfc: nci: Fix uninit-value in nci_rx_work 3 (3) 2024/04/11 06:16
Re: [syzbot] [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work 0 (1) 2024/04/05 15:50
Re: [syzbot] [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work 0 (1) 2024/04/05 15:46
Re: [syzbot] [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work 0 (1) 2024/04/05 15:28
Re: [syzbot] [PATCH net] nfc: nci: Fix uninit-value in nci_rx_work 0 (1) 2024/04/05 07:11
[syzbot] Monthly net report (Mar 2024) 0 (1) 2024/03/29 18:37
[syzbot] Monthly nfc report (Mar 2024) 0 (1) 2024/03/14 09:23
Re: [syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_rsp_packet 1 (1) 2024/02/05 07:16
[syzbot] Monthly nfc report (Jan 2024) 0 (1) 2024/01/12 00:04
[syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_rx_work 0 (1) 2024/01/01 13:38
Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/04/05 15:50 31m ryasuoka@redhat.com patch upstream OK log
2024/04/05 15:46 25m ryasuoka@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 58c806d867bf265c6fd16fc3bc62e2d3c156b5c9 OK log
2024/04/05 15:28 3m ryasuoka@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 58c806d867bf265c6fd16fc3bc62e2d3c156b5c9 error OK
2024/04/05 07:11 1h03m ryasuoka@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 58c806d867bf265c6fd16fc3bc62e2d3c156b5c9 error OK

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in nci_rx_work+0x2e6/0x500 net/nfc/nci/core.c:1520
 nci_rx_work+0x2e6/0x500 net/nfc/nci/core.c:1520
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x1132/0x1f40 kernel/workqueue.c:2706
 worker_thread+0xea4/0x1560 kernel/workqueue.c:2787
 kthread+0x3ed/0x550 kernel/kthread.c:388
 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3819 [inline]
 slab_alloc_node mm/slub.c:3860 [inline]
 kmem_cache_alloc_node+0x5cb/0xbc0 mm/slub.c:3903
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560
 __alloc_skb+0x352/0x790 net/core/skbuff.c:651
 alloc_skb include/linux/skbuff.h:1296 [inline]
 virtual_ncidev_write+0x6d/0x280 drivers/nfc/virtual_ncidev.c:120
 vfs_write+0x494/0x1520 fs/read_write.c:588
 ksys_write+0x20f/0x4c0 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __x64_sys_write+0x93/0xd0 fs/read_write.c:652
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

CPU: 1 PID: 3300 Comm: kworker/u4:12 Not tainted 6.8.0-rc6-syzkaller-00278-g58c806d867bf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: nfc2_nci_rx_wq nci_rx_work
=====================================================

Crashes (426):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/04 00:21 upstream 58c806d867bf 25905f5d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/01/22 07:28 upstream 9f8413c4a66f 9bd8dcda .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2023/12/25 17:38 upstream 861deac3b092 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/16 05:50 upstream 0bbac3facb5d 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/15 12:17 upstream 0bbac3facb5d c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/15 01:50 upstream 7efd0a74039f c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/14 04:43 upstream fa4022cb7361 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/13 13:43 upstream 8f2c057754b2 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/13 09:13 upstream 8f2c057754b2 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/12 16:45 upstream 586b5dfb51b9 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/11 06:04 upstream 2c71fdf02a95 56086b24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/10 10:50 upstream 2c71fdf02a95 56086b24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/09 19:23 upstream 20cb38a7af88 56086b24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/08 03:13 upstream 9fe30842a90b ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/08 01:31 upstream 9fe30842a90b ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/07 23:38 upstream 9fe30842a90b ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/07 14:31 upstream f2f80ac80987 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/07 08:01 upstream f2f80ac80987 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/06 15:52 upstream e8b0ccb2a787 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/06 13:16 upstream e8b0ccb2a787 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/05 21:43 upstream 8cb4a9a82b21 18ea8213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/05 17:15 upstream 8cb4a9a82b21 18ea8213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/05 07:15 upstream c85af715cac0 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/05 05:07 upstream c85af715cac0 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/04 17:32 upstream c85af715cac0 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/04 16:15 upstream c85af715cac0 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/04 11:25 upstream c85af715cac0 51c4dcff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/03 11:54 upstream b1e6ec0a0fd0 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/02 17:17 upstream 026e680b0a08 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/02 05:33 upstream 026e680b0a08 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/02 00:54 upstream 39cd87c4eb2b 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/01 21:41 upstream 39cd87c4eb2b 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/01 15:55 upstream 39cd87c4eb2b 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/04/01 01:46 upstream 18737353cca0 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/31 11:05 upstream 712e14250dd2 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/31 07:26 upstream 712e14250dd2 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 19:22 upstream 486291a0e624 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 17:50 upstream 486291a0e624 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 16:25 upstream 486291a0e624 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 15:06 upstream 486291a0e624 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 04:09 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/30 04:08 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/29 20:23 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/29 13:03 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/29 05:48 upstream 8d025e2092e2 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/29 00:12 upstream 8d025e2092e2 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/28 20:55 upstream 8d025e2092e2 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/28 05:54 upstream 962490525cff 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/27 19:56 upstream 7033999ecd7b 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
2024/03/27 11:09 upstream 7033999ecd7b 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in nci_rx_work
* Struck through repros no longer work on HEAD.