Yet another ntfs bug. It's getting really noisy. Maybe stop testing ntfs until some more bugs get fixed? On Sat, Oct 08, 2022 at 10:55:34PM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 0326074ff465 Merge tag 'net-next-6.1' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15b1382a880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d323d85b1f8a4ed7 > dashboard link: https://syzkaller.appspot.com/bug?extid=cceb1394467dba9c62d9 > compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1755e8b2880000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/c40d70ae7512/disk-0326074f.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/3603ce065271/vmlinux-0326074f.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/738016e3c6ba/mount_1.gz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+cceb1394467dba9c62d9@xxxxxxxxxxxxxxxxxxxxxxxxx > > ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) > BUG: scheduling while atomic: syz-executor.2/9901/0x00000002 > 2 locks held by syz-executor.2/9901: > #0: ffff888075f880e0 (&type->s_umount_key#47/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228 > #1: ffff8880678e78f0 (&sb->s_type->i_lock_key#33){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] > #1: ffff8880678e78f0 (&sb->s_type->i_lock_key#33){+.+.}-{2:2}, at: _atomic_dec_and_lock+0x9d/0x110 lib/dec_and_lock.c:28 > Modules linked in: > Preemption disabled at: > [<0000000000000000>] 0x0 > Kernel panic - not syncing: scheduling while atomic > CPU: 1 PID: 9901 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 > Call Trace: > <TASK> > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 > panic+0x2d6/0x715 kernel/panic.c:274 > __schedule_bug+0x1ff/0x250 kernel/sched/core.c:5725 > schedule_debug+0x1d3/0x3c0 kernel/sched/core.c:5754 > __schedule+0xfb/0xdf0 kernel/sched/core.c:6389 > schedule+0xcb/0x190 kernel/sched/core.c:6571 > exit_to_user_mode_loop+0xe5/0x150 kernel/entry/common.c:157 > exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:201 > irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:307 > asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 > RIP: 000f:lock_acquire+0x1e1/0x3c0 > RSP: 0018:ffffc9000563f900 EFLAGS: 00000206 > RAX: 1ffff92000ac7f28 RBX: 0000000000000001 RCX: ffff8880753be2f0 > RDX: dffffc0000000000 RSI: ffffffff8a8d9060 RDI: ffffffff8aecb5e0 > RBP: ffffc9000563fa28 R08: dffffc0000000000 R09: fffffbfff1fc4229 > R10: fffffbfff1fc4229 R11: 1ffffffff1fc4228 R12: dffffc0000000000 > R13: 1ffff92000ac7f24 R14: ffffc9000563f940 R15: 0000000000000246 > </TASK> > Kernel Offset: disabled > Rebooting in 86400 seconds.. > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this issue, for details see: > https://goo.gl/tpsmEJ#testing-patches