[ 12.263693][ T4664] dhcpcd-run-hook (4664) used greatest stack depth: 10584 bytes left forked to background, child pid 4660 [ 12.692564][ T4661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 12.697109][ T4661] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 69.950493][ T27] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. executing program [ 175.281438][ T5004] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5004 'syz-executor334' [ 175.348693][ T5004] loop0: detected capacity change from 0 to 32768 [ 175.356656][ T5004] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 175.364898][ T5004] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 175.372646][ T5004] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 175.380596][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 175.387363][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 175.400157][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 175.408022][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 175.413324][ T5004] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program [ 180.802885][ T5007] loop0: detected capacity change from 0 to 32768 [ 180.810302][ T5007] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 180.818447][ T5007] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 180.825956][ T5007] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 180.833865][ T27] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 180.840684][ T27] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 180.853676][ T27] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 180.861536][ T27] gfs2: fsid=syz:syz.0: jid=0: Done [ 180.866743][ T5007] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 182.005250][ T5003] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810aa24000 (size 8192): comm "syz-executor334", pid 5004, jiffies 4294954804 (age 12.830s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __kmalloc+0x4a/0x120 [] gfs2_quota_init+0xd9/0x770 [] gfs2_make_fs_rw+0x11f/0x200 [] gfs2_reconfigure+0x3cf/0x530 [] reconfigure_super+0x14c/0x3e0 [] __do_sys_fsconfig+0x80b/0x8d0 [] do_syscall_64+0x39/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810f360000 (size 8192): comm "syz-executor334", pid 5007, jiffies 4294955349 (age 7.380s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __kmalloc+0x4a/0x120 [] gfs2_quota_init+0xd9/0x770 [] gfs2_make_fs_rw+0x11f/0x200 [] gfs2_reconfigure+0x3cf/0x530 [] reconfigure_super+0x14c/0x3e0 [] __do_sys_fsconfig+0x80b/0x8d0 [] do_syscall_64+0x39/0xb0 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 188.225705][ T5003] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)