ci2 starts bisection 2023-06-19 11:33:50.561634959 +0000 UTC m=+309453.754431709 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 run #0: crashed: kernel BUG in ext4_writepages run #1: crashed: kernel BUG in ext4_writepages run #2: crashed: kernel BUG in ext4_writepages run #3: crashed: kernel BUG in ext4_writepages run #4: crashed: kernel BUG in __ext4_journal_stop run #5: crashed: kernel BUG in __ext4_journal_stop run #6: crashed: kernel BUG in ext4_writepages run #7: crashed: kernel BUG in ext4_writepages run #8: crashed: kernel BUG in __ext4_journal_stop run #9: crashed: kernel BUG in __ext4_journal_stop run #10: crashed: kernel BUG in ext4_writepages run #11: crashed: kernel BUG in ext4_writepages run #12: crashed: kernel BUG in ext4_writepages run #13: crashed: kernel BUG in ext4_writepages run #14: crashed: kernel BUG in __ext4_journal_stop run #15: crashed: kernel BUG in __ext4_journal_stop run #16: crashed: kernel BUG in __ext4_journal_stop run #17: crashed: kernel BUG in ext4_writepages run #18: OK run #19: OK testing current HEAD 471e639e59d128f4bf58000a118b2ceca3893f98 testing commit 471e639e59d128f4bf58000a118b2ceca3893f98 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 277273b4d5592fc69abda12e942d2bd70556faa5de25084508dfb3a62e05d217 run #0: crashed: kernel BUG in ext4_writepages run #1: crashed: kernel BUG in ext4_writepages run #2: crashed: kernel BUG in ext4_writepages run #3: crashed: kernel BUG in __ext4_journal_stop run #4: crashed: kernel BUG in __ext4_journal_stop run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 50m28.703109219s (build: 31m37.654970303s, test: 18m4.425948112s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.117 crash: kernel BUG in __ext4_journal_stop ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 14323 Comm: syz-executor.5 Not tainted 5.15.117-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x166/0x1a0 fs/ext4/ext4_jbd2.c:116 Code: 5d 41 5e 41 5f c3 48 89 ef e8 f6 15 17 00 45 85 ff 5b 41 0f 45 c7 5d 41 5c 41 5d 41 5e 41 5f c3 e8 7f a8 c0 ff e9 df fe ff ff <0f> 0b 48 89 df e8 80 a8 c0 ff e9 17 ff ff ff 48 89 ef e8 73 a8 c0 RSP: 0018:ffffc90008adf970 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000009 RCX: ffffffff81be940b RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff891e92a0 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ceb7a97 R10: fffffbfff19d6f52 R11: 0000000000000001 R12: ffff88806dfca0d8 R13: 0000000000000012 R14: ffffea0001b6aff4 R15: ffffea0001b6afc8 FS: 00007fd291fa5700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555940848 CR3: 000000007876a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x4b5/0xd20 fs/ext4/inline.c:812 generic_perform_write+0x273/0x440 mm/filemap.c:3787 ext4_buffered_write_iter+0x1e2/0x450 fs/ext4/file.c:268 ext4_file_write_iter+0x383/0x1140 fs/ext4/file.c:683 call_write_iter include/linux/fs.h:2103 [inline] new_sync_write+0x35d/0x5f0 fs/read_write.c:507 vfs_write+0x60b/0x920 fs/read_write.c:594 ksys_write+0xf4/0x1d0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fd29af540f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007fd291fa5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd29b074050 RCX: 00007fd29af540f9 RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 RBP: 00007fd29afafb39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9426a10f R14: 00007fd291fa5300 R15: 0000000000022000 Modules linked in: ---[ end trace 068fbf0bcd3861d1 ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x166/0x1a0 fs/ext4/ext4_jbd2.c:116 Code: 5d 41 5e 41 5f c3 48 89 ef e8 f6 15 17 00 45 85 ff 5b 41 0f 45 c7 5d 41 5c 41 5d 41 5e 41 5f c3 e8 7f a8 c0 ff e9 df fe ff ff <0f> 0b 48 89 df e8 80 a8 c0 ff e9 17 ff ff ff 48 89 ef e8 73 a8 c0 RSP: 0018:ffffc90008adf970 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000009 RCX: ffffffff81be940b RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff891e92a0 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ceb7a97 R10: fffffbfff19d6f52 R11: 0000000000000001 R12: ffff88806dfca0d8 R13: 0000000000000012 R14: ffffea0001b6aff4 R15: ffffea0001b6afc8 FS: 00007fd291fa5700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c45dda000 CR3: 000000007876a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400