ci2 starts bisection 2023-05-26 21:40:21.017476958 +0000 UTC m=+15313.978915917 bisecting fixing commit since 3b29299e5f604550faf3eff811d6cd60b4c6cae6 building syzkaller on f325deb023e4e2fb9197004be1b3da738680429c ensuring issue is reproducible on original commit 3b29299e5f604550faf3eff811d6cd60b4c6cae6 testing commit 3b29299e5f604550faf3eff811d6cd60b4c6cae6 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7260c2877f5800259f3bbcbce36f775f8b65083f429407416500600bf7a7925a all runs: crashed: kernel BUG in gfs2_glock_nq testing current HEAD a343b0dd87b42ba9d508fbf7d0c06f744c2e0954 testing commit a343b0dd87b42ba9d508fbf7d0c06f744c2e0954 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: beb9d4d5e93e43f3a204e825f79679700b6110ab33f7591e0ccadac49521eebb all runs: crashed: kernel BUG in gfs2_glock_nq crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 45m46.913596557s (build: 38m52.014067203s, test: 6m25.259316122s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 6.1.30 crash: kernel BUG in gfs2_glock_nq gfs2: fsid=syz:syz.0: original: gfs2_quota_sync+0x30d/0x640 fs/gfs2/quota.c:1318 gfs2: fsid=syz:syz.0: pid: 3892 gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1 gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x30d/0x640 fs/gfs2/quota.c:1318 gfs2: fsid=syz:syz.0: pid: 3892 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:3892 [syz-executor.0] gfs2_quota_sync+0x30d/0x640 fs/gfs2/quota.c:1318 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1562! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3892 Comm: syz-executor.0 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline] RIP: 0010:gfs2_glock_nq+0x1100/0x1390 fs/gfs2/glock.c:1587 Code: 68 fe 0f b7 4d 00 48 c7 c7 20 dc 2e 8a 48 8b 74 24 20 89 da e8 2d f0 23 06 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 30 8e ff ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 69 f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000444f9b8 EFLAGS: 00010246 RAX: 5018d01f39a76400 RBX: 0000000000000008 RCX: ffffc9000444f603 RDX: ffff88806c062908 RSI: ffffffff89eb8220 RDI: ffffffff8a3b7440 RBP: ffff8880169a4c5a R08: dffffc0000000000 R09: fffffbfff1a7d0fe R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880169a4c50 R13: ffff88806c062920 R14: ffff8880169a4c30 R15: 1ffff11002d34983 FS: 000055555603a400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560f4018dc78 CR3: 0000000020d0f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:264 [inline] do_sync+0x34d/0xa80 fs/gfs2/quota.c:910 gfs2_quota_sync+0x30d/0x640 fs/gfs2/quota.c:1318 gfs2_sync_fs+0x44/0x90 fs/gfs2/super.c:648 sync_filesystem+0xc4/0x180 fs/sync.c:56 generic_shutdown_super+0x65/0x2d0 fs/super.c:474 kill_block_super+0x75/0xc0 fs/super.c:1450 deactivate_locked_super+0x71/0xd0 fs/super.c:332 cleanup_mnt+0x3af/0x430 fs/namespace.c:1186 task_work_run+0x206/0x290 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3e49e8d567 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:00007ffec5b228d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3e49e8d567 RDX: 00007ffec5b229a9 RSI: 000000000000000a RDI: 00007ffec5b229a0 RBP: 00007ffec5b229a0 R08: 00000000ffffffff R09: 00007ffec5b22770 R10: 000055555603b893 R11: 0000000000000246 R12: 00007f3e49ee6b74 R13: 00007ffec5b23a60 R14: 000055555603b810 R15: 00007ffec5b23aa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline] RIP: 0010:gfs2_glock_nq+0x1100/0x1390 fs/gfs2/glock.c:1587 Code: 68 fe 0f b7 4d 00 48 c7 c7 20 dc 2e 8a 48 8b 74 24 20 89 da e8 2d f0 23 06 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 30 8e ff ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 69 f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000444f9b8 EFLAGS: 00010246 RAX: 5018d01f39a76400 RBX: 0000000000000008 RCX: ffffc9000444f603 RDX: ffff88806c062908 RSI: ffffffff89eb8220 RDI: ffffffff8a3b7440 RBP: ffff8880169a4c5a R08: dffffc0000000000 R09: fffffbfff1a7d0fe R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880169a4c50 R13: ffff88806c062920 R14: ffff8880169a4c30 R15: 1ffff11002d34983 FS: 000055555603a400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560f4018dc78 CR3: 0000000020d0f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400