syzbot


WARNING in notifier_chain_register (2)

Status: upstream: reported on 2024/12/03 21:04
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+8b5a4b73931f20e049d7@syzkaller.appspotmail.com
First crash: 49d, last: 12h48m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] WARNING in notifier_chain_register (2) 0 (1) 2024/12/03 21:04
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in notifier_chain_register kernel C done inconclusive 16 839d 926d 0/28 auto-obsoleted due to no activity on 2023/04/20 02:11

Sample crash report:
ubi0: attaching mtd0
ubi0: scanning is finished
------------[ cut here ]------------
notifier callback ubi_wl_reboot_notifier already registered
WARNING: CPU: 0 PID: 6162 at kernel/notifier.c:23 notifier_chain_register kernel/notifier.c:23 [inline]
WARNING: CPU: 0 PID: 6162 at kernel/notifier.c:23 notifier_chain_register+0x157/0x420 kernel/notifier.c:17
Modules linked in:
CPU: 0 UID: 0 PID: 6162 Comm: syz.0.62 Not tainted 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:notifier_chain_register kernel/notifier.c:23 [inline]
RIP: 0010:notifier_chain_register+0x157/0x420 kernel/notifier.c:17
Code: 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 c2 02 00 00 49 8b 75 00 48 c7 c7 00 17 6c 8b e8 7a 6a f4 ff 90 <0f> 0b 90 90 bb ef ff ff ff e8 9b 33 34 00 89 d8 48 83 c4 18 5b 5d
RSP: 0018:ffffc9000bc0fa60 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888025b198c8 RCX: ffffc9000e85e000
RDX: 0000000000080000 RSI: ffffffff815a5146 RDI: 0000000000000001
RBP: 000000007fffffff R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888025b198c8 R14: ffffffff8fa2cd88 R15: dffffc0000000000
FS:  00007fcfaebb16c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c351438 CR3: 00000000364d8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __blocking_notifier_chain_register kernel/notifier.c:264 [inline]
 blocking_notifier_chain_register+0x76/0xd0 kernel/notifier.c:282
 ubi_wl_init+0x1018/0x17b0 drivers/mtd/ubi/wl.c:1960
 ubi_attach+0x1b92/0x4c00 drivers/mtd/ubi/attach.c:1605
 ubi_attach_mtd_dev+0x158f/0x3590 drivers/mtd/ubi/build.c:1004
 ctrl_cdev_ioctl+0x339/0x3d0 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcfadd85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfaebb1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcfadf76080 RCX: 00007fcfadd85d29
RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000006
RBP: 00007fcfade01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcfadf76080 R15: 00007ffe58825028
 </TASK>

Crashes (73):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/10 04:16 upstream 643e2e259c2b 40f46913 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2025/01/08 21:39 upstream 0b7958fa05d5 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2025/01/08 04:45 upstream 09a0fa92e5b4 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2025/01/07 00:04 upstream 5428dc1906dd f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2025/01/02 00:32 upstream 56e6a3499e14 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in notifier_chain_register
2024/12/30 18:40 upstream fc033cf25e61 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/30 00:42 upstream 4099a71718b0 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/26 19:32 upstream 9b2ffa6148b1 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in notifier_chain_register
2024/12/26 11:48 upstream 9b2ffa6148b1 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in notifier_chain_register
2024/12/25 03:18 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in notifier_chain_register
2024/12/21 14:30 upstream 499551201b5f d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in notifier_chain_register
2024/12/18 20:32 upstream aef25be35d23 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/16 18:02 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/16 17:24 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/15 21:07 upstream 2d8308bf5b67 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/14 13:44 upstream a446e965a188 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/14 02:33 upstream f932fb9b4074 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/13 20:22 upstream f932fb9b4074 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/13 07:40 upstream 150b567e0d57 3547e30f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/12 07:52 upstream 231825b2e1ff ff949d25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2024/12/11 15:12 upstream f92f4749861b ff949d25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/10 11:05 upstream 7cb1b4663150 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2024/12/09 08:14 upstream 62b5a46999c7 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2024/12/07 14:42 upstream b5f217084ab3 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/07 14:27 upstream b5f217084ab3 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/06 23:58 upstream b8f52214c61a 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/05 19:29 upstream feffde684ac2 6e50d07b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/03 22:20 upstream ceb8bf2ceaa7 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/03 18:15 upstream cdd30ebb1b9f 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in notifier_chain_register
2024/12/03 07:10 upstream cdd30ebb1b9f 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/03 06:39 upstream cdd30ebb1b9f 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/03 04:07 upstream cdd30ebb1b9f bb326ffb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in notifier_chain_register
2024/12/01 17:23 upstream bcc8eda6d349 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/01 17:21 upstream bcc8eda6d349 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in notifier_chain_register
2024/12/25 22:37 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in notifier_chain_register
2024/12/25 09:51 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in notifier_chain_register
2024/12/05 14:39 upstream feffde684ac2 1c533826 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in notifier_chain_register
2025/01/17 19:00 upstream 9bffa1ad25b8 bb91bdd4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/17 16:07 upstream 9bffa1ad25b8 bb91bdd4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/16 21:16 upstream ce69b4019001 f9e07a6e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/11 07:37 upstream 77a903cd8e5a 6dbc6a9b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/07 09:38 upstream fbfd64d25c7a f3558dbf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/07 09:37 upstream fbfd64d25c7a f3558dbf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/06 14:27 upstream ab75170520d4 f3558dbf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/03 14:39 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/24 08:08 upstream f07044dd0df0 444551c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/18 17:03 upstream aef25be35d23 1432fc84 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/14 04:43 upstream 243f750a2df0 7cbfbb3a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/12 02:18 upstream 231825b2e1ff 6f1b0fa8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/11 15:28 upstream f92f4749861b ff949d25 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/11 15:27 upstream f92f4749861b ff949d25 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/11 15:27 upstream f92f4749861b ff949d25 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/11 15:08 upstream f92f4749861b ff949d25 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/11 14:56 upstream f92f4749861b ff949d25 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/05 16:52 upstream feffde684ac2 1c533826 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/05 16:26 upstream feffde684ac2 1c533826 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2024/12/05 15:18 upstream feffde684ac2 1c533826 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in notifier_chain_register
2025/01/11 09:02 linux-next 7b4b9bf203da 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/24 03:59 linux-next 8155b4ef3466 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/21 10:13 linux-next 8155b4ef3466 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/04 06:31 linux-next c245a7a79602 b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/03 11:05 linux-next f486c8aa16b8 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/03 02:36 linux-next f486c8aa16b8 bb326ffb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/11/29 23:52 linux-next f486c8aa16b8 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/11/29 20:57 linux-next f486c8aa16b8 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in notifier_chain_register
2024/12/16 18:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e7aff49b5da f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in notifier_chain_register
2024/12/10 16:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fac04efc5c79 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in notifier_chain_register
* Struck through repros no longer work on HEAD.