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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | possible deadlock in start_transaction btrfs | 2 | 1304d | 1300d | 0/26 | auto-closed as invalid on 2021/01/28 08:05 | |||
| linux-4.19 | possible deadlock in start_transaction | 1 | 832d | 832d | 0/1 | auto-closed as invalid on 2022/05/14 23:34 | |||
| linux-4.14 | possible deadlock in start_transaction btrfs | syz | 6 | 444d | 486d | 0/1 | upstream: reported syz repro on 2022/12/27 19:04 |
audit: type=1800 audit(1672485532.592:214): pid=11220 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13948 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11242)
audit: type=1800 audit(1672485532.802:215): pid=11229 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="loop1" ino=263 res=0
======================================================
WARNING: possible circular locking dependency detected
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11247)
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor419/11229 is trying to acquire lock:
00000000a1b3ce1d (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline]
00000000a1b3ce1d (sb_internal#2){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528
but task is already holding lock:
audit: type=1800 audit(1672485532.802:216): pid=11242 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13948 res=0
000000008a8d1a94 (&fs_info->qgroup_ioctl_lock){+.+.}, at: btrfs_quota_enable+0xbf/0x10b0 fs/btrfs/qgroup.c:893
which lock already depends on the new lock.
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11284)
the existing dependency chain (in reverse order) is:
-> #1 (&fs_info->qgroup_ioctl_lock){+.+.}:
btrfs_add_qgroup_relation+0xa7/0x740 fs/btrfs/qgroup.c:1264
btrfs_ioctl_qgroup_assign fs/btrfs/ioctl.c:5280 [inline]
btrfs_ioctl+0x3a05/0x76d0 fs/btrfs/ioctl.c:6023
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
audit: type=1800 audit(1672485532.802:217): pid=11247 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13951 res=0
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (sb_internal#2){.+.+}:
percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline]
percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
__sb_start_write+0x6e/0x2a0 fs/super.c:1366
sb_start_intwrite include/linux/fs.h:1626 [inline]
start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528
btrfs_quota_enable+0x169/0x10b0 fs/btrfs/qgroup.c:905
btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:5233 [inline]
btrfs_ioctl+0x622c/0x76d0 fs/btrfs/ioctl.c:6021
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&fs_info->qgroup_ioctl_lock);
lock(sb_internal#2);
lock(&fs_info->qgroup_ioctl_lock);
lock(sb_internal#2);
*** DEADLOCK ***
3 locks held by syz-executor419/11229:
#0: 00000000b51e03a3 (sb_writers#11){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline]
#0: 00000000b51e03a3 (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 fs/namespace.c:418
#1: 00000000ac54c15a (&fs_info->subvol_sem){+.+.}, at: btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:5229 [inline]
#1: 00000000ac54c15a (&fs_info->subvol_sem){+.+.}, at: btrfs_ioctl+0x3d12/0x76d0 fs/btrfs/ioctl.c:6021
#2: 000000008a8d1a94 (&fs_info->qgroup_ioctl_lock){+.+.}, at: btrfs_quota_enable+0xbf/0x10b0 fs/btrfs/qgroup.c:893
stack backtrace:
CPU: 1 PID: 11229 Comm: syz-executor419 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1979 [inline]
validate_chain kernel/locking/lockdep.c:2420 [inline]
__lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline]
percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
__sb_start_write+0x6e/0x2a0 fs/super.c:1366
sb_start_intwrite include/linux/fs.h:1626 [inline]
start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528
btrfs_quota_enable+0x169/0x10b0 fs/btrfs/qgroup.c:905
btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:5233 [inline]
btrfs_ioctl+0x622c/0x76d0 fs/btrfs/ioctl.c:6021
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efc34bb0f89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd3d9b02a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc34bb0f89
RDX: 00000000200000c0 RSI: 00000000c0109428 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd3d9b02d0 R09: 00007ffd3d9b02d0
R10: 00000000000050ce R11: 0000000000000246 R12: 00007ffd3d9b02cc
R13: 00007ffd3d9b0300 R14: 00007ffd3d9b02e0 R15: 0000000000000024
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11238)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11280)
audit: type=1800 audit(1672485533.482:218): pid=11238 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13948 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11283)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11250)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11254)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11286)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11294)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11283)
BTRFS error (device loop1): fail to start transaction for status update: -28
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11285)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11302)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS info (device loop4): using free space tree
BTRFS info (device loop4): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11307)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11315)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11283)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11325)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11328)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11355)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11344)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11345)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11363)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11369)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11377)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11373)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS info (device loop1): using free space tree
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11391)
BTRFS info (device loop1): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11394)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11395)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11400)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11423)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11431)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11445)
BTRFS info (device loop3): using free space tree
BTRFS info (device loop3): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11439)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11446)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11454)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11462)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11465)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11469)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11491)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11499)
BTRFS info (device loop0): using free space tree
BTRFS info (device loop0): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11510)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11507)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11516)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11530)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11526)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11332)
kauditd_printk_skb: 41 callbacks suppressed
audit: type=1800 audit(1672485537.082:260): pid=11526 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13960 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11554)
audit: type=1800 audit(1672485537.202:261): pid=11554 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13949 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11551)
BTRFS info (device loop1): using free space tree
BTRFS info (device loop1): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11558)
audit: type=1800 audit(1672485537.342:262): pid=11551 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13961 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11284)
audit: type=1800 audit(1672485537.372:263): pid=11558 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13931 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11569)
audit: type=1800 audit(1672485537.562:264): pid=11585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13935 res=0
audit: type=1800 audit(1672485537.612:265): pid=11569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13961 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11580)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11582)
audit: type=1800 audit(1672485537.752:266): pid=11580 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13962 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
audit: type=1800 audit(1672485537.772:267): pid=11582 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13947 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11587)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11332)
audit: type=1800 audit(1672485537.942:268): pid=11587 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13962 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11609)
audit: type=1800 audit(1672485538.032:269): pid=11609 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13964 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11621)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11615)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11620)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11629)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS info (device loop2): using free space tree
BTRFS info (device loop2): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11638)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11640)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11639)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11331)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11665)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS info (device loop4): using free space tree
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11673)
BTRFS info (device loop4): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11681)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11689)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11709)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11692)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11718)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11332)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11724)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11280)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11293)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11739)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11744)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11743)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11284)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11298)
BTRFS info (device loop4): using free space tree
BTRFS info (device loop4): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11779)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11787)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11789)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11810)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11817)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11794)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11795)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11825)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11833)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11837)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11822)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11823)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11810)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11817)
BTRFS info (device loop0): using free space tree
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11847)
BTRFS info (device loop0): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11854)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor419 (11849)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11856)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11855)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11810)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
BTRFS warning (device <unknown>): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (11873)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11896)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11895)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11898)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11810)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11817)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11900)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11856)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11916)
BTRFS info (device loop1): using free space tree
BTRFS info (device loop1): has skinny extents
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11913)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11918)
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11817)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11810)
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor419 (11930)
BTRFS warning (device <unknown>): duplicate device /dev/loop3 devid 1 generation 8 scanned by systemd-udevd (11873)
kauditd_printk_skb: 50 callbacks suppressed
audit: type=1800 audit(1672485542.262:320): pid=11930 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13979 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11948)
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor419 (11955)
audit: type=1800 audit(1672485542.392:321): pid=11948 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13980 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (11817)
audit: type=1800 audit(1672485542.392:322): pid=11955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13981 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor419 (11953)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor419 (11947)
audit: type=1800 audit(1672485542.532:323): pid=11953 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13974 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (11804)
audit: type=1800 audit(1672485542.592:324): pid=11947 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13975 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor419 (11976)
audit: type=1800 audit(1672485542.652:325): pid=11976 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13975 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop4 devid 1 generation 8 scanned by systemd-udevd (11856)
audit: type=1800 audit(1672485542.722:326): pid=11977 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor419" name=".pending_reads" dev="sda1" ino=13975 res=0
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (11810)
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/12/31 11:20 | linux-4.19.y | 3f8a27f9e27b | ab32d508 | .config | console log | report | syz | C | [disk image] [vmlinux] [mounted in repro] | ci2-linux-4-19 | possible deadlock in start_transaction | |
| 2022/12/20 22:32 | linux-4.19.y | 3f8a27f9e27b | d3e76707 | .config | console log | report | syz | C | [disk image] [vmlinux] [mounted in repro] | ci2-linux-4-19 | possible deadlock in start_transaction | |
| 2022/12/09 00:51 | linux-4.19.y | 3f8a27f9e27b | 1034e5fa | .config | console log | report | syz | C | [disk image] [vmlinux] [mounted in repro] | ci2-linux-4-19 | possible deadlock in start_transaction | |
| 2022/12/05 19:12 | linux-4.19.y | 3f8a27f9e27b | 045cbb84 | .config | console log | report | syz | C | [disk image] [vmlinux] [mounted in repro] | ci2-linux-4-19 | possible deadlock in start_transaction | |
| 2023/03/06 01:48 | linux-4.19.y | 3f8a27f9e27b | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/05 09:52 | linux-4.19.y | 3f8a27f9e27b | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/04 10:47 | linux-4.19.y | 3f8a27f9e27b | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/03 12:33 | linux-4.19.y | 3f8a27f9e27b | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/02 12:23 | linux-4.19.y | 3f8a27f9e27b | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/01 04:37 | linux-4.19.y | 3f8a27f9e27b | 95aee97a | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/03/01 02:23 | linux-4.19.y | 3f8a27f9e27b | 95aee97a | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/27 13:47 | linux-4.19.y | 3f8a27f9e27b | 9189cb53 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/22 04:27 | linux-4.19.y | 3f8a27f9e27b | 42a4d508 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/20 20:10 | linux-4.19.y | 3f8a27f9e27b | 2414209c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/19 16:14 | linux-4.19.y | 3f8a27f9e27b | bcdf85f8 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/18 17:01 | linux-4.19.y | 3f8a27f9e27b | d02e9a70 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/18 01:07 | linux-4.19.y | 3f8a27f9e27b | cf8c2d39 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/14 15:04 | linux-4.19.y | 3f8a27f9e27b | 93ae7e0a | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/10 14:08 | linux-4.19.y | 3f8a27f9e27b | e29a17f5 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/07 23:36 | linux-4.19.y | 3f8a27f9e27b | 15c3d445 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/07 18:15 | linux-4.19.y | 3f8a27f9e27b | 5bc3be51 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/06 16:06 | linux-4.19.y | 3f8a27f9e27b | 0a9c11b6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/06 15:05 | linux-4.19.y | 3f8a27f9e27b | 0a9c11b6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/06 06:52 | linux-4.19.y | 3f8a27f9e27b | be607b78 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/06 02:13 | linux-4.19.y | 3f8a27f9e27b | be607b78 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/05 03:18 | linux-4.19.y | 3f8a27f9e27b | be607b78 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/03 19:29 | linux-4.19.y | 3f8a27f9e27b | 1b2f701a | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/03 04:48 | linux-4.19.y | 3f8a27f9e27b | 33fc5c09 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/01 08:10 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/01 05:14 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/01 03:41 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/02/01 00:08 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/31 20:19 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/31 09:58 | linux-4.19.y | 3f8a27f9e27b | b68fb8d6 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/30 05:50 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/30 03:33 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/29 18:09 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/29 14:48 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/29 12:28 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/29 10:31 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/29 05:14 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/28 13:02 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/27 12:59 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/27 09:37 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/27 02:37 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/27 02:36 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/26 23:52 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2023/01/26 17:03 | linux-4.19.y | 3f8a27f9e27b | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction | ||
| 2022/11/27 06:32 | linux-4.19.y | 3f8a27f9e27b | f4470a7b | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | possible deadlock in start_transaction |