syzbot


WARNING in do_open_execat (2)

Status: upstream: reported C repro on 2024/04/09 22:42
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+fe18c63ce101f2b358bb@syzkaller.appspotmail.com
First crash: 45d, last: 30d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ntfs3?] WARNING in do_open_execat (2) 0 (2) 2024/04/15 05:22
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in do_open_execat (2) origin:upstream missing-backport C done 8 13d 221d 0/3 upstream: reported C repro on 2023/10/13 04:40
linux-5.15 WARNING in do_open_execat 1 428d 428d 0/3 auto-obsoleted due to no activity on 2023/07/18 02:48
upstream WARNING in do_open_execat ntfs3 C error done 12 117d 277d 26/26 fixed on 2024/03/20 11:33
linux-6.1 WARNING in do_open_execat origin:upstream missing-backport C inconclusive 9 39d 248d 0/3 upstream: reported C repro on 2023/09/16 02:14
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/05/05 21:24 27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/04/15 05:22 23m mukattreyee@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK log

Sample crash report:
loop0: detected capacity change from 0 to 4096
ntfs: volume version 3.1.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6164 at fs/exec.c:940 do_open_execat+0x2bc/0x3bc
Modules linked in:
CPU: 0 PID: 6164 Comm: syz-executor379 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : do_open_execat+0x2bc/0x3bc
lr : do_open_execat+0x2b8/0x3bc fs/exec.c:939
sp : ffff8000977a7b60
x29: ffff8000977a7bd0 x28: 0000000000000000 x27: ffff0000d609da2c
x26: 00000000ffffff9c x25: dfff800000000000 x24: ffff700012ef4f6c
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: fffffffffffffff3 x19: ffff0000d5ba0000 x18: ffff8000977a7100
x17: 000000000000c791 x16: ffff80008aca6dc0 x15: 0000000000000002
x14: 1ffff00012ef4f34 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700012ef4f36 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d609da00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000008000
Call trace:
 do_open_execat+0x2bc/0x3bc
 alloc_bprm+0x44/0x934 fs/exec.c:1541
 do_execveat_common+0x158/0x814 fs/exec.c:1935
 do_execveat fs/exec.c:2069 [inline]
 __do_sys_execveat fs/exec.c:2143 [inline]
 __se_sys_execveat fs/exec.c:2137 [inline]
 __arm64_sys_execveat+0xd0/0xec fs/exec.c:2137
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 24796
hardirqs last  enabled at (24795): [<ffff80008ae5ce28>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (24795): [<ffff80008ae5ce28>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (24796): [<ffff80008ad66988>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (24766): [<ffff80008002189c>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (24766): [<ffff80008002189c>] __do_softirq+0xac8/0xce4 kernel/softirq.c:582
softirqs last disabled at (24737): [<ffff80008002ab48>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
---[ end trace 0000000000000000 ]---

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/05 23:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 18ea8213 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in do_open_execat
2024/04/21 18:48 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in do_open_execat
2024/04/12 00:01 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in do_open_execat
2024/04/11 22:43 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in do_open_execat
2024/04/11 22:18 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in do_open_execat
2024/04/11 22:18 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in do_open_execat
2024/04/11 22:14 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in do_open_execat
2024/04/11 22:12 upstream fe46a7dd189e 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in do_open_execat
2024/04/11 23:31 upstream 00dcf5d862e8 27de0a5c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_open_execat
2024/04/11 23:20 upstream 00dcf5d862e8 27de0a5c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_open_execat
2024/04/11 23:42 upstream 00dcf5d862e8 27de0a5c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in do_open_execat
2024/04/11 23:36 upstream 00dcf5d862e8 27de0a5c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in do_open_execat
2024/04/11 22:49 linux-next 4118d9533ff3 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in do_open_execat
2024/04/11 22:20 linux-next 4118d9533ff3 478efa7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in do_open_execat
2024/04/09 04:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 53df08b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_open_execat
2024/04/07 21:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_open_execat
2024/04/07 21:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_open_execat
2024/04/05 22:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 18ea8213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_open_execat
* Struck through repros no longer work on HEAD.