[ 20.254321][ T3638] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.260159][ T3638] eql: remember to turn off Van-Jacobson compression on your slave devices [ 20.308920][ T1622] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 20.313387][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.159' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.974096][ T4053] loop0: detected capacity change from 0 to 32768 [ 42.980380][ T4053] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.982896][ T4053] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.996354][ T4053] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 43.001490][ T1710] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.003144][ T1710] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.084278][ T1710] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 81ms [ 43.086415][ T1710] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.088000][ T4053] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.322268][ T4053] gfs2: fsid=syz:syz.0: found 3 quota changes [ 43.331954][ T4053] gfs2: fsid=syz:syz.0: original: do_sync+0x350/0xaf8 [ 43.333648][ T4053] gfs2: fsid=syz:syz.0: pid: 4053 [ 43.334857][ T4053] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 [ 43.336441][ T4053] gfs2: fsid=syz:syz.0: new: do_sync+0x350/0xaf8 [ 43.338003][ T4053] gfs2: fsid=syz:syz.0: pid: 4053 [ 43.339164][ T4053] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 [ 43.340740][ T4053] gfs2: fsid=syz:syz.0: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:6 m:20 p:0 [ 43.342874][ T4053] gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:4053 [syz-executor240] do_sync+0x350/0xaf8 [ 43.345533][ T4053] ------------[ cut here ]------------ [ 43.346777][ T4053] kernel BUG at fs/gfs2/glock.c:1501! [ 43.348116][ T4053] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 43.349561][ T4053] Modules linked in: [ 43.350480][ T4053] CPU: 0 PID: 4053 Comm: syz-executor240 Not tainted 5.15.101-syzkaller #0 [ 43.352557][ T4053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 43.355035][ T4053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.356878][ T4053] pc : gfs2_glock_nq+0xed4/0x144c [ 43.358135][ T4053] lr : gfs2_glock_nq+0xed4/0x144c [ 43.359312][ T4053] sp : ffff80001c7b7630 [ 43.360357][ T4053] x29: ffff80001c7b76a0 x28: ffff0000dc611340 x27: ffff0000dc6112d0 [ 43.362359][ T4053] x26: 0000000000000040 x25: ffff0000dc6112d8 x24: ffff0000c98b3000 [ 43.364296][ T4053] x23: ffff0000c086c638 x22: ffff0000c086c65a x21: dfff800000000000 [ 43.366266][ T4053] x20: 0000000000000008 x19: ffff0000c938d2c0 x18: 0000000000000002 [ 43.368170][ T4053] x17: ff808000083386a0 x16: ffff800011a092ac x15: ffff8000083386a0 [ 43.370084][ T4053] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 43.371925][ T4053] x11: ff8080000a2be5d8 x10: 0000000000000000 x9 : 51f4145cfaad4500 [ 43.373806][ T4053] x8 : 51f4145cfaad4500 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.375744][ T4053] x5 : ffff80001c7b68d8 x4 : ffff800014aa0700 x3 : ffff8000085518f8 [ 43.377683][ T4053] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 [ 43.379582][ T4053] Call trace: [ 43.380385][ T4053] gfs2_glock_nq+0xed4/0x144c [ 43.381536][ T4053] do_sync+0x358/0xaf8 [ 43.382570][ T4053] gfs2_quota_sync+0x2e8/0x548 [ 43.383713][ T4053] gfs2_sync_fs+0x4c/0xc4 [ 43.384785][ T4053] sync_filesystem+0xe8/0x218 [ 43.385931][ T4053] generic_shutdown_super+0x70/0x29c [ 43.387243][ T4053] kill_block_super+0x70/0xdc [ 43.388394][ T4053] gfs2_kill_sb+0xc0/0xd4 [ 43.389489][ T4053] deactivate_locked_super+0xb8/0x13c [ 43.390824][ T4053] deactivate_super+0x108/0x128 [ 43.391961][ T4053] cleanup_mnt+0x3c0/0x474 [ 43.392982][ T4053] __cleanup_mnt+0x20/0x30 [ 43.394096][ T4053] task_work_run+0x130/0x1e4 [ 43.395221][ T4053] do_exit+0x55c/0x1c20 [ 43.396229][ T4053] do_group_exit+0x110/0x268 [ 43.397311][ T4053] __wake_up_parent+0x0/0x60 [ 43.398380][ T4053] invoke_syscall+0x98/0x2b8 [ 43.399503][ T4053] el0_svc_common+0x138/0x258 [ 43.400738][ T4053] do_el0_svc+0x58/0x14c [ 43.401764][ T4053] el0_svc+0x7c/0x1f0 [ 43.402703][ T4053] el0t_64_sync_handler+0x84/0xe4 [ 43.403970][ T4053] el0t_64_sync+0x1a0/0x1a4 [ 43.405091][ T4053] Code: aa1f03e0 f85f03a1 52800022 97ffe34f (d4210000) [ 43.406773][ T4053] ---[ end trace 16b16a7e0f9588e3 ]--- [ 43.736305][ T4053] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 43.737963][ T4053] SMP: stopping secondary CPUs [ 43.739148][ T4053] Kernel Offset: disabled [ 43.740169][ T4053] CPU features: 0x000081c1,21302e40 [ 43.741377][ T4053] Memory Limit: none [ 44.070726][ T4053] Rebooting in 86400 seconds..