ci2 starts bisection 2023-05-24 00:21:54.506582404 +0000 UTC m=+309886.203486245
bisecting fixing commit since bbf9f29bac04f85bbf45af172dcdc9664d8808cb
building syzkaller on 5205ef306e8b4217fc49cb8d8bd18670b7d08c3c
ensuring issue is reproducible on original commit bbf9f29bac04f85bbf45af172dcdc9664d8808cb

testing commit bbf9f29bac04f85bbf45af172dcdc9664d8808cb gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2e36abd88197b7c73706a4196a7e7854bbfcecd3d506038741377b67d1467406
run #0: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0055bc690] Location: Message:Quota 'T2A_CPUS' exceeded.  Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc004656280] Location: Message:Quota 'T2A_CPUS' exceeded.  Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0046564b0] Location: Message:Quota 'T2A_CPUS' exceeded.  Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #3: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc004656730] Location: Message:Quota 'T2A_CPUS' exceeded.  Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #4: crashed: kernel BUG in gfs2_glock_nq
run #5: crashed: kernel BUG in gfs2_glock_nq
run #6: crashed: kernel BUG in gfs2_glock_nq
run #7: crashed: kernel BUG in gfs2_glock_nq
run #8: crashed: kernel BUG in gfs2_glock_nq
run #9: crashed: kernel BUG in gfs2_glock_nq
run #10: crashed: kernel BUG in gfs2_glock_nq
run #11: crashed: kernel BUG in gfs2_glock_nq
run #12: crashed: kernel BUG in gfs2_glock_nq
run #13: crashed: kernel BUG in gfs2_glock_nq
run #14: crashed: kernel BUG in gfs2_glock_nq
run #15: crashed: kernel BUG in gfs2_glock_nq
run #16: crashed: kernel BUG in gfs2_glock_nq
run #17: crashed: kernel BUG in gfs2_glock_nq
run #18: crashed: kernel BUG in gfs2_glock_nq
run #19: crashed: kernel BUG in gfs2_glock_nq
testing current HEAD 9d6bde853685609a631871d7c12be94fdf8d912e
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e15950f2e492b18701998c4ea66c96625c1bf183ad45d516603d544a6aa99988
all runs: crashed: kernel BUG in gfs2_glock_nq
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 58m47.374373318s (build: 51m40.376529014s, test: 6m5.639923705s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.112
crash: kernel BUG in gfs2_glock_nq
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
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4325 [syz-executor.0] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4325 [syz-executor.0] do_sync+0x2cc/0x900 fs/gfs2/quota.c:910
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1501!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4325 Comm: syz-executor.0 Not tainted 5.15.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : add_to_queue fs/gfs2/glock.c:1500 [inline]
pc : gfs2_glock_nq+0xbe4/0x1068 fs/gfs2/glock.c:1525
lr : add_to_queue fs/gfs2/glock.c:1500 [inline]
lr : gfs2_glock_nq+0xbe4/0x1068 fs/gfs2/glock.c:1525
sp : ffff80001b1a75f0
x29: ffff80001b1a7660 x28: ffff0000df1afbe0 x27: ffff0000df1afb70
x26: ffff0000cce06850 x25: dfff800000000000 x24: ffff0000df1afb60
x23: ffff0000cce0685a x22: ffff0000cce06838 x21: ffff0000c9b3d2c0
x20: ffff0000df1afb78 x19: 0000000000000008 x18: ffff80001b1a6740
x17: 205d302e726f7475 x16: ffff8000106d3a9c x15: 0000000000018b19
x14: 1ffff000026b606a x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000002 x10: 0000000000000003 x9 : ac33bc813551fe00
x8 : ac33bc813551fe00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001b1a6878 x4 : ffff800013687bc0 x3 : ffff8000082d2d54
x2 : 0000000000000001 x1 : ffff80001082a820 x0 : 0000000000000000
Call trace:
 add_to_queue fs/gfs2/glock.c:1500 [inline]
 gfs2_glock_nq+0xbe4/0x1068 fs/gfs2/glock.c:1525
 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline]
 do_sync+0x2d4/0x900 fs/gfs2/quota.c:910
 gfs2_quota_sync+0x2ac/0x42c fs/gfs2/quota.c:1318
 gfs2_sync_fs+0x48/0xa8 fs/gfs2/super.c:647
 sync_filesystem+0xc4/0x178 fs/sync.c:56
 generic_shutdown_super+0x6c/0x248 fs/super.c:448
 kill_block_super+0x6c/0xc4 fs/super.c:1405
 gfs2_kill_sb+0xb0/0xc4
 deactivate_locked_super+0xbc/0x108 fs/super.c:335
 deactivate_super+0xb4/0xd0 fs/super.c:366
 cleanup_mnt+0x328/0x3d0 fs/namespace.c:1143
 __cleanup_mnt+0x14/0x20 fs/namespace.c:1150
 task_work_run+0xdc/0x18c kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x1934/0x24f4 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: aa1f03e0 aa1803e1 52800022 97ffe90b (d4210000) 
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