syzbot


kernel panic: stack is corrupted in call_usermodehelper_exec

Status: upstream: reported C repro on 2024/08/30 03:44
Subsystems: ntfs3 modules
[Documentation on labels]
Reported-by: syzbot+14d9438422f594f856bd@syzkaller.appspotmail.com
First crash: 54d, last: 4d05h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [modules?] kernel panic: stack is corrupted in call_usermodehelper_exec 0 (1) 2024/08/30 03:44
Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/10/08 13:15 16m retest repro upstream report log
2024/09/22 05:16 14m retest repro upstream report log
2024/09/22 05:16 14m retest repro upstream report log
2024/09/22 05:16 29m retest repro upstream report log
2024/09/22 05:16 14m retest repro upstream report log
2024/09/22 05:16 14m retest repro upstream report log

Sample crash report:
loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS sector size (2048) and media sector size (512).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: call_usermodehelper_exec+0x493/0x4a0
CPU: 0 UID: 0 PID: 5120 Comm: syz-executor219 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 panic+0x349/0x860 kernel/panic.c:354
 __stack_chk_fail+0x15/0x20 kernel/panic.c:827
 call_usermodehelper_exec+0x493/0x4a0
 call_modprobe kernel/module/kmod.c:103 [inline]
 __request_module+0x3ee/0x650 kernel/module/kmod.c:173
 ctrl_getfamily+0x28e/0x6b0 net/netlink/genetlink.c:1450
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2212
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f63bc0ec223
Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d 81 8e 09 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
RSP: 002b:00007fff862683c8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fff86268470 RCX: 00007f63bc0ec223
RDX: 000000000000001c RSI: 00007fff862684c0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 00007fff862683e4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fff86268438 R14: 00007fff862684c0 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/08 05:15 upstream d1f2d51b711a 9750182a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/09/08 03:49 upstream d1f2d51b711a 9750182a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/09/08 02:22 upstream d1f2d51b711a 9750182a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/09/08 01:07 upstream d1f2d51b711a 9750182a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/09/07 23:41 upstream d1f2d51b711a 9750182a .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/08/30 03:43 upstream 3b9dfd9e5936 ee2602b8 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/09/24 12:57 upstream abf2050f51fd 5643e0e9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/08/30 02:48 upstream 3b9dfd9e5936 ee2602b8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
2024/08/19 10:49 upstream 47ac09b91bef 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel panic: stack is corrupted in call_usermodehelper_exec
* Struck through repros no longer work on HEAD.