syzbot


WARNING in do_open_execat

Status: auto-obsoleted due to no activity on 2023/07/18 02:48
Reported-by: syzbot+596fb206082be2f4beca@syzkaller.appspotmail.com
First crash: 450d, last: 450d
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 35d 243d 0/3 upstream: reported C repro on 2023/10/13 04:40
upstream WARNING in do_open_execat (2) ntfs3 C 18 51d 63d 0/28 upstream: reported C repro on 2024/04/09 22:42
upstream WARNING in do_open_execat ntfs3 C error done 12 139d 299d 26/28 fixed on 2024/03/20 11:33
linux-6.1 WARNING in do_open_execat origin:upstream missing-backport C inconclusive 9 61d 270d 0/3 upstream: reported C repro on 2023/09/16 02:14

Sample crash report:
ntfs: volume version 3.1.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 19157 at fs/exec.c:929 do_open_execat+0x448/0x658
Modules linked in:
CPU: 1 PID: 19157 Comm: syz-executor.4 Not tainted 5.15.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : do_open_execat+0x448/0x658
lr : do_open_execat+0x444/0x658 fs/exec.c:928
sp : ffff800025ce7a20
x29: ffff800025ce7aa0 x28: ffff0000d21957e8 x27: dfff800000000000
x26: ffff700004b9cf44 x25: 1fffe0001a432afd x24: dfff800000000000
x23: 0000000000000000 x22: ffff00011d226620 x21: ffff0000cbcc1100
x20: fffffffffffffff3 x19: ffff00011f8e4a00 x18: 0000000000000000
x17: ff80800008971040 x16: ffff800011a056c4 x15: ffff800008971040
x14: 1ffff0000293806a x13: ffffffffffffffff x12: 0000000000040000
x11: 0000000000004924 x10: ffff80001e70f000 x9 : ffff800008993550
x8 : 0000000000004925 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000008000
Call trace:
 do_open_execat+0x448/0x658
 bprm_execve+0x480/0x1738 fs/exec.c:1819
 do_execveat_common+0x668/0x814 fs/exec.c:1949
 do_execveat fs/exec.c:2030 [inline]
 __do_sys_execveat fs/exec.c:2104 [inline]
 __se_sys_execveat fs/exec.c:2098 [inline]
 __arm64_sys_execveat+0xd0/0xec fs/exec.c:2098
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 16946
hardirqs last  enabled at (16945): [<ffff8000089b8004>] seqcount_lockdep_reader_access+0x208/0x2d0 include/linux/seqlock.h:105
hardirqs last disabled at (16946): [<ffff800011a00bc8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (16892): [<ffff800008030cb8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (16890): [<ffff800008030c84>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace ff6af2cc465b7d8d ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/03/20 02:48 linux-5.15.y 8020ae3c051d 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in do_open_execat
* Struck through repros no longer work on HEAD.