Messages in this thread | | | Date | Fri, 21 Oct 2022 02:56:47 -0700 | Subject | [syzbot] WARNING in btrfs_destroy_inode | From | syzbot <> |
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Hello,
syzbot found the following issue on:
HEAD commit: bbed346d5a96 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=125cfb76880000 kernel config: https://syzkaller.appspot.com/x/.config?x=3a4a45d2d827c1e dashboard link: https://syzkaller.appspot.com/bug?extid=d4d23ca08383875f6956 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e8e91bc79312/disk-bbed346d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c1cb3fb3b77e/vmlinux-bbed346d.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d4d23ca08383875f6956@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768 BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm BTRFS info (device loop0): using free space tree BTRFS info (device loop0): enabling ssd optimizations ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27221 at fs/btrfs/inode.c:8963 btrfs_destroy_inode+0x274/0x2f8 fs/btrfs/inode.c:8963 Modules linked in: CPU: 1 PID: 27221 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_destroy_inode+0x274/0x2f8 fs/btrfs/inode.c:8963 lr : btrfs_destroy_inode+0x274/0x2f8 fs/btrfs/inode.c:8963 sp : ffff800020f13a30 x29: ffff800020f13a30 x28: 0000000000000040 x27: ffff000128be1d68 x26: ffff00012a3c0c30 x25: 0000000000000000 x24: ffff00011a6704c0 x23: ffff80000d3480b0 x22: 0000000000000000 x21: ffff80000c1419d0 x20: ffff00011a672a20 x19: ffff00011a672560 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000db49158 x15: ffff000128e49a80 x14: 0000000000000010 x13: 0000000000000000 x12: 0000000000040000 x11: 0000000000001bfd x10: ffff800022c9f000 x9 : ffff800009132e4c x8 : 0000000000001bfe x7 : ffff8000084b15e8 x6 : 0000000000000000 x5 : 0000000000000d40 x4 : 0000000000000038 x3 : 0000000000000038 x2 : ffff0000c001c800 x1 : 00000000fffffff4 x0 : ffff00011a672a20 Call trace: btrfs_destroy_inode+0x274/0x2f8 fs/btrfs/inode.c:8963 alloc_inode+0xb0/0x104 fs/inode.c:269 new_inode_pseudo fs/inode.c:1019 [inline] new_inode+0x2c/0xc0 fs/inode.c:1047 btrfs_create+0x34/0xb0 fs/btrfs/inode.c:6690 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x804/0x11c4 fs/namei.c:3688 do_filp_open+0xdc/0x1b8 fs/namei.c:3718 do_sys_openat2+0xb8/0x22c fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __arm64_sys_openat+0xb0/0xe0 fs/open.c:1340 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 4032 hardirqs last enabled at (4031): [<ffff8000085633bc>] mod_objcg_state+0x19c/0x204 mm/memcontrol.c:3158 hardirqs last disabled at (4032): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404 softirqs last enabled at (3900): [<ffff80000801c33c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3898): [<ffff80000801c308>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---
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