ci2 starts bisection 2023-05-30 02:50:33.916174236 +0000 UTC m=+293126.877613199 bisecting fixing commit since 493ffd6605b2d3d4dc7008ab927dba319f36671f building syzkaller on b31320fc8f3519e40494f64ebf77c13d16284bfd ensuring issue is reproducible on original commit 493ffd6605b2d3d4dc7008ab927dba319f36671f testing commit 493ffd6605b2d3d4dc7008ab927dba319f36671f gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 014ec6fe9e27a53b0dd37990db8a31b45123a8659cdc7a849f5bb5babd1a8177 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: SYZFATAL: executor failed NUM times: executor NUM: exit status NUM run #8: crashed: SYZFATAL: executor failed NUM times: executor NUM: exit status NUM run #9: crashed: SYZFATAL: executor failed NUM times: executor NUM: exit status NUM run #10: crashed: INFO: task hung in __gfs2_trans_begin run #11: crashed: INFO: task hung in __gfs2_trans_begin run #12: crashed: INFO: task hung in __gfs2_trans_begin run #13: crashed: INFO: task hung in __gfs2_trans_begin run #14: crashed: INFO: task hung in __gfs2_trans_begin run #15: crashed: INFO: task hung in __gfs2_trans_begin run #16: crashed: INFO: task hung in __gfs2_trans_begin run #17: crashed: INFO: task hung in __gfs2_trans_begin run #18: crashed: INFO: task hung in __gfs2_trans_begin run #19: crashed: INFO: task hung in __gfs2_trans_begin testing current HEAD 8b817fded42d8fe3a0eb47b1149d907851a3c942 testing commit 8b817fded42d8fe3a0eb47b1149d907851a3c942 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ddaa3baaa640aa902030c8c9eb2bb29b44c0177d4cb237f8481f05b59f5a50ae run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: crashed: WARNING in __folio_mark_dirty run #2: crashed: WARNING in __folio_mark_dirty run #3: crashed: WARNING in __folio_mark_dirty run #4: crashed: WARNING in __folio_mark_dirty run #5: crashed: WARNING in __folio_mark_dirty run #6: crashed: WARNING in __folio_mark_dirty run #7: crashed: WARNING in __folio_mark_dirty run #8: crashed: WARNING in __folio_mark_dirty run #9: crashed: WARNING in __folio_mark_dirty crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 40m15.687793928s (build: 27m49.873272039s, test: 11m43.781212935s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'trace-v6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace crash: WARNING in __folio_mark_dirty ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6368 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x683/0xbf0 Modules linked in: CPU: 0 PID: 6368 Comm: syz-executor.2 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:__folio_mark_dirty+0x683/0xbf0 Code: 5c 41 5d 41 5e 41 5f 5d e9 9a c8 a1 07 0f 0b e9 a0 fa ff ff 0f 0b e9 cb fa ff ff 4c 89 f7 48 8b 74 24 20 e8 df c8 22 00 eb ac <0f> 0b 80 3c 2b 00 0f 85 44 fc ff ff e9 47 fc ff ff 89 d9 80 e1 07 RSP: 0018:ffffc9000719f8f8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff110289920ed RCX: ffffffff81d738c2 RDX: 0000000000000001 RSI: ffffffff898a72c0 RDI: ffffffff89db51a0 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed10289920ee R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff888144c905f0 R14: ffffea000087a740 R15: ffff888144c90768 FS: 00007f936f2d3700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae17fde000 CR3: 0000000024e0a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_buffer_dirty+0x189/0x310 gfs2_unpin+0xc7/0x950 buf_lo_after_commit+0x14d/0x180 gfs2_log_flush+0xf58/0x2290 do_sync+0x86c/0xa60 gfs2_quota_sync+0x311/0x640 gfs2_sync_fs+0x48/0xa0 iterate_supers+0x108/0x1a0 ksys_sync+0xc7/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f936e08b5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f936f2d3168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f936e1abf80 RCX: 00007f936e08b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f936e0e6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7c4aeaef R14: 00007f936f2d3300 R15: 0000000000022000