From: syzbot <syzbot+5399ed0832693e29f392@syzkaller.appspotmail.com>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk
Subject: kernel BUG at fs/inode.c:LINE!
Date: Sun, 16 Dec 2018 22:11:04 -0800 [thread overview]
Message-ID: <00000000000051e9c2057d31a563@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: d14b746c6c1c Add linux-next specific files for 20181214
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=13706347400000
kernel config: https://syzkaller.appspot.com/x/.config?x=1da6d2d18f803140
dashboard link: https://syzkaller.appspot.com/bug?extid=5399ed0832693e29f392
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101032b3400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16534063400000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5399ed0832693e29f392@syzkaller.appspotmail.com
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3365 [inline]
kmem_cache_alloc+0x2c4/0x730 mm/slab.c:3539
__d_alloc+0xc8/0xb90 fs/dcache.c:1599
------------[ cut here ]------------
kernel BUG at fs/inode.c:1566!
d_alloc_anon fs/dcache.c:1698 [inline]
d_make_root+0x43/0xc0 fs/dcache.c:1885
autofs_fill_super+0x6f1/0x1c30 fs/autofs/inode.c:273
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6100 Comm: syz-executor637 Not tainted
4.20.0-rc6-next-20181214+ #171
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:iput+0x915/0xa90 fs/inode.c:1566
Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd
f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe
a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9
RSP: 0018:ffff8881c0ff76b8 EFLAGS: 00010293
RAX: ffff8881c0fdc100 RBX: ffff8881b25f44a0 RCX: ffffffff81d8fc14
RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007
RBP: ffff8881c0ff77f0 R08: ffff8881c0fdc100 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881c0fdc100 R12: 0000000000000040
R13: ffff8881c0ff7910 R14: 00000000ffffffea R15: ffff8881d0c4d200
mount_nodev+0x73/0x120 fs/super.c:1402
FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
autofs_mount+0x34/0x40 fs/autofs/init.c:16
CR2: 00000000006cd0a0 CR3: 00000001b2c56000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
autofs_fill_super+0x15fb/0x1c30 fs/autofs/inode.c:352
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
mount_nodev+0x73/0x120 fs/super.c:1402
entry_SYSCALL_64_after_hwframe+0x49/0xbe
autofs_mount+0x34/0x40 fs/autofs/init.c:16
RIP: 0033:0x441be9
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6107 Comm: syz-executor637 Not tainted
4.20.0-rc6-next-20181214+ #171
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
__should_failslab+0x124/0x180 mm/failslab.c:32
RIP: 0033:0x441be9
should_failslab+0x9/0x14 mm/slab_common.c:1576
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3365 [inline]
kmem_cache_alloc+0x2c4/0x730 mm/slab.c:3539
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
__d_alloc+0xc8/0xb90 fs/dcache.c:1599
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
d_alloc_anon fs/dcache.c:1698 [inline]
d_make_root+0x43/0xc0 fs/dcache.c:1885
autofs_fill_super+0x6f1/0x1c30 fs/autofs/inode.c:273
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
------------[ cut here ]------------
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
kernel BUG at fs/inode.c:1566!
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 6105 Comm: syz-executor637 Tainted: G D
4.20.0-rc6-next-20181214+ #171
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:iput+0x915/0xa90 fs/inode.c:1566
Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd
f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe
a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9
ksys_mount+0x12d/0x140 fs/namespace.c:3258
RSP: 0018:ffff8881b4f276b8 EFLAGS: 00010293
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
RAX: ffff8881c170a580 RBX: ffff8881b2687880 RCX: ffffffff81d8fc14
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007
RBP: ffff8881b4f277f0 R08: ffff8881c170a580 R09: ffffed103b5a5b77
R10: ffffed103b5a5b77 R11: ffff8881dad2dbbb R12: 0000000000000040
R13: ffff8881b4f27910 R14: 00000000ffffffea R15: ffff8881d0c4af00
FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002497000 CR3: 00000001b3373000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x49/0xbe
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
RIP: 0033:0x441be9
Call Trace:
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
------------[ cut here ]------------
kernel BUG at fs/inode.c:1566!
autofs_fill_super+0x15fb/0x1c30 fs/autofs/inode.c:352
CPU: 0 PID: 6109 Comm: syz-executor637 Tainted: G D
4.20.0-rc6-next-20181214+ #171
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
__should_failslab+0x124/0x180 mm/failslab.c:32
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
should_failslab+0x9/0x14 mm/slab_common.c:1576
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3365 [inline]
kmem_cache_alloc+0x2c4/0x730 mm/slab.c:3539
__d_alloc+0xc8/0xb90 fs/dcache.c:1599
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
d_alloc_anon fs/dcache.c:1698 [inline]
d_make_root+0x43/0xc0 fs/dcache.c:1885
autofs_fill_super+0x6f1/0x1c30 fs/autofs/inode.c:273
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441be9
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441be9
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 6101 Comm: syz-executor637 Tainted: G D
4.20.0-rc6-next-20181214+ #171
invalid opcode: 0000 [#3] PREEMPT SMP KASAN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
CPU: 0 PID: 6102 Comm: syz-executor637 Tainted: G D
4.20.0-rc6-next-20181214+ #171
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
RIP: 0010:iput+0x915/0xa90 fs/inode.c:1566
Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd
f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe
a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9
RSP: 0000:ffff8881cca776b8 EFLAGS: 00010293
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149
RAX: ffff8881d105c540 RBX: ffff8881b26768c0 RCX: ffffffff81d8fc14
RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007
RBP: ffff8881cca777f0 R08: ffff8881d105c540 R09: ffffed103b585b77
R10: ffffed103b585b77 R11: ffff8881dac2dbbb R12: 0000000000000040
R13: ffff8881cca77910 R14: 00000000ffffffea R15: ffff8881d0c4d000
FS: 0000000001e1a880(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 00000001d824d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
__should_failslab+0x124/0x180 mm/failslab.c:32
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
should_failslab+0x9/0x14 mm/slab_common.c:1576
Call Trace:
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3365 [inline]
kmem_cache_alloc+0x2c4/0x730 mm/slab.c:3539
__d_alloc+0xc8/0xb90 fs/dcache.c:1599
autofs_fill_super+0x15fb/0x1c30 fs/autofs/inode.c:352
d_alloc_anon fs/dcache.c:1698 [inline]
d_make_root+0x43/0xc0 fs/dcache.c:1885
autofs_fill_super+0x6f1/0x1c30 fs/autofs/inode.c:273
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
ksys_mount+0x12d/0x140 fs/namespace.c:3258
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
entry_SYSCALL_64_after_hwframe+0x49/0xbe
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
RIP: 0033:0x441be9
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Modules linked in:
RIP: 0033:0x441be9
------------[ cut here ]------------
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff
ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
kernel BUG at fs/inode.c:1566!
RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
invalid opcode: 0000 [#4] PREEMPT SMP KASAN
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9
CPU: 0 PID: 6109 Comm: syz-executor637 Tainted: G D
4.20.0-rc6-next-20181214+ #171
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100
RIP: 0010:iput+0x915/0xa90 fs/inode.c:1566
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd
f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe
a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
RSP: 0000:ffff8881d2b476b8 EFLAGS: 00010293
---[ end trace c981ed50117a38b3 ]---
RAX: ffff8881d96ec080 RBX: ffff8881b269a8c0 RCX: ffffffff81d8fc14
RIP: 0010:iput+0x915/0xa90 fs/inode.c:1566
RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007
RBP: ffff8881d2b477f0 R08: ffff8881d96ec080 R09: ffffed103b585b77
R10: ffffed103b585b77 R11: ffff8881dac2dbbb R12: 0000000000000040
R13: ffff8881d2b47910 R14: 00000000ffffffea R15: ffff8881d0c4a200
FS: 0000000001e1a880(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 00000001b7099000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd
f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe
a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
RSP: 0018:ffff8881c0ff76b8 EFLAGS: 00010293
RAX: ffff8881c0fdc100 RBX: ffff8881b25f44a0 RCX: ffffffff81d8fc14
autofs_fill_super+0x15fb/0x1c30 fs/autofs/inode.c:352
RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007
RBP: ffff8881c0ff77f0 R08: ffff8881c0fdc100 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8881c0fdc100 R12: 0000000000000040
R13: ffff8881c0ff7910 R14: 00000000ffffffea R15: ffff8881d0c4d200
mount_nodev+0x73/0x120 fs/super.c:1402
autofs_mount+0x34/0x40 fs/autofs/init.c:16
FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000
legacy_get_tree+0x12f/0x260 fs/fs_context.c:714
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
vfs_get_tree+0x1cb/0x5c0 fs/super.c:1795
do_new_mount fs/namespace.c:2716 [inline]
do_mount+0x82a/0x1ff0 fs/namespace.c:3042
CR2: 0000000002497000 CR3: 00000001b3373000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
ksys_mount+0x12d/0x140 fs/namespace.c:3258
__do_sys_mount fs/namespace.c:3272 [inline]
__se_sys_mount fs/namespace.c:3269 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3269
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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next reply other threads:[~2018-12-17 6:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 6:11 syzbot [this message]
2018-12-17 7:21 ` kernel BUG at fs/inode.c:LINE! Al Viro
2018-12-17 10:08 ` Dmitry Vyukov
2018-12-18 10:40 ` Tetsuo Handa
2018-12-18 10:42 ` Ian Kent
2018-12-18 11:01 ` Amir Goldstein
2018-12-18 11:52 ` Ian Kent
2018-12-18 11:34 ` Ian Kent
2018-12-18 12:27 ` Dmitry Vyukov
2018-12-18 12:42 ` Ian Kent
2018-12-18 13:19 ` Dmitry Vyukov
2018-12-18 14:40 ` Ian Kent
2018-12-18 21:09 ` Andrew Morton
2018-12-19 0:05 ` Ian Kent
2018-12-18 13:51 ` Al Viro
2019-04-09 14:36 ` syzbot
2019-04-10 0:26 ` Al Viro
2019-04-10 8:27 ` Dmitry Vyukov
2019-04-10 10:35 ` Ian Kent
2019-04-10 11:40 ` Dmitry Vyukov
2019-04-10 11:57 ` Ian Kent
2019-04-10 12:02 ` Dmitry Vyukov
2019-04-10 12:03 ` Dmitry Vyukov
2019-04-10 12:07 ` Ian Kent
2019-04-10 12:11 ` Al Viro
2019-04-10 12:41 ` Dmitry Vyukov
2019-04-11 0:50 ` Ian Kent
2019-04-11 2:22 ` Al Viro
2019-04-12 11:04 ` Dmitry Vyukov
2019-04-12 19:46 ` Eric Biggers
2019-04-12 10:59 ` Dmitry Vyukov
2019-04-12 19:19 ` Al Viro
2019-04-10 12:39 ` Dmitry Vyukov
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