ci2 starts bisection 2023-06-30 21:33:28.483089623 +0000 UTC m=+20947.211596585 bisecting fixing commit since 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 testing commit 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e697c0675d50b1752cb1a46ca22c1f779d6ded75110789291e6bdcb965d3be66 all runs: crashed: kernel BUG in gfs2_glock_nq testing current HEAD 4af60700a60cc45ee4fb6d579cccf1b7bca20c34 testing commit 4af60700a60cc45ee4fb6d579cccf1b7bca20c34 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f4f5e4a9269e1637ac8340524baf725b395019955f34d0dcbe597775baa9fe34 all runs: crashed: kernel BUG in gfs2_glock_nq crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 1h5m47.704755891s (build: 57m54.977774214s, test: 6m40.326821217s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.119 crash: kernel BUG in gfs2_glock_nq gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline] gfs2: fsid=syz:syz.0: new: do_sync+0x407/0xae0 fs/gfs2/quota.c:910 gfs2: fsid=syz:syz.0: pid: 3854 gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 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:3854 [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:3854 [syz-executor.0] do_sync+0x407/0xae0 fs/gfs2/quota.c:910 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1501! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3854 Comm: syz-executor.0 Not tainted 5.15.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:add_to_queue fs/gfs2/glock.c:1501 [inline] RIP: 0010:gfs2_glock_nq.cold+0x27f/0x2da fs/gfs2/glock.c:1525 Code: 74 04 3c 03 7e 78 8b 53 18 44 89 f1 4c 89 fe 48 c7 c7 80 ad 50 89 e8 d3 16 f4 ff ba 01 00 00 00 4c 89 ee 31 ff e8 84 89 a0 fa <0f> 0b 4c 89 04 24 e8 49 f2 2a f9 4c 8b 04 24 e9 91 fd ff ff 31 d2 RSP: 0018:ffffc900011dfb40 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88806da44960 RCX: ffffc900011df7d8 RDX: 1ffffffff12a1c09 RSI: ffffffff890b63a0 RDI: ffffffff8950e048 RBP: ffff88801e8d1638 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e8d1600 R13: ffff88806da44960 R14: 0000000000000001 R15: ffff88807963d2c0 FS: 00005555555fd400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b317cab348 CR3: 0000000022367000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline] do_sync+0x40f/0xae0 fs/gfs2/quota.c:910 gfs2_quota_sync+0x24a/0x540 fs/gfs2/quota.c:1318 gfs2_sync_fs+0x3b/0x90 fs/gfs2/super.c:647 sync_filesystem.part.0+0x63/0x170 fs/sync.c:56 generic_shutdown_super+0x64/0x330 fs/super.c:448 kill_block_super+0x90/0xd0 fs/super.c:1405 deactivate_locked_super+0x7b/0x130 fs/super.c:335 cleanup_mnt+0x324/0x4d0 fs/namespace.c:1143 task_work_run+0xc0/0x160 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x25d/0x260 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fe1f7d1a567 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe591e9d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe1f7d1a567 RDX: 00007ffe591e9e59 RSI: 000000000000000a RDI: 00007ffe591e9e50 RBP: 00007ffe591e9e50 R08: 00000000ffffffff R09: 00007ffe591e9c20 R10: 00005555555fe893 R11: 0000000000000246 R12: 00007fe1f7d73b74 R13: 00007ffe591eaf10 R14: 00005555555fe810 R15: 00007ffe591eaf50 Modules linked in: ---[ end trace bc8aa1c88cef1918 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1501 [inline] RIP: 0010:gfs2_glock_nq.cold+0x27f/0x2da fs/gfs2/glock.c:1525 Code: 74 04 3c 03 7e 78 8b 53 18 44 89 f1 4c 89 fe 48 c7 c7 80 ad 50 89 e8 d3 16 f4 ff ba 01 00 00 00 4c 89 ee 31 ff e8 84 89 a0 fa <0f> 0b 4c 89 04 24 e8 49 f2 2a f9 4c 8b 04 24 e9 91 fd ff ff 31 d2 RSP: 0018:ffffc900011dfb40 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88806da44960 RCX: ffffc900011df7d8 RDX: 1ffffffff12a1c09 RSI: ffffffff890b63a0 RDI: ffffffff8950e048 RBP: ffff88801e8d1638 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e8d1600 R13: ffff88806da44960 R14: 0000000000000001 R15: ffff88807963d2c0 FS: 00005555555fd400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b317cab348 CR3: 0000000022367000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400