ci2 starts bisection 2023-05-12 14:58:24.873551874 +0000 UTC m=+10792.779117959 bisecting fixing commit since 5448b2fda85f2d90de03f053226f721ba2f7e731 building syzkaller on 5205ef306e8b4217fc49cb8d8bd18670b7d08c3c ensuring issue is reproducible on original commit 5448b2fda85f2d90de03f053226f721ba2f7e731 testing commit 5448b2fda85f2d90de03f053226f721ba2f7e731 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b5e06bb7debb644532586cb244c33bdf8ef059739f4f0c32489c191c2078ba67 all runs: crashed: kernel BUG in __ext4_journal_stop testing current HEAD 19c0ed55a470d1cd766484abab04871b648560fb testing commit 19c0ed55a470d1cd766484abab04871b648560fb gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7980751c9627614a0254ff640e51cde254768616fb131eda124e2f8a7b48af53 run #0: crashed: kernel BUG in ext4_writepages run #1: crashed: kernel BUG in __ext4_journal_stop run #2: crashed: kernel BUG in __ext4_journal_stop run #3: crashed: kernel BUG in __ext4_journal_stop 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_journal_stop run #7: crashed: kernel BUG in __ext4_journal_stop run #8: crashed: kernel BUG in __ext4_journal_stop run #9: crashed: kernel BUG in __ext4_journal_stop crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 27m45.33942278s (build: 17m8.109676046s, test: 9m54.645037544s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge 5.15.106 into android13-5.15-lts crash: kernel BUG in __ext4_journal_stop loop0: detected capacity change from 0 to 2048 ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6741 Comm: syz-executor.0 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x14f/0x160 fs/ext4/ext4_jbd2.c:116 Code: d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 44 ff ff ff e8 06 e7 d8 ff e9 3a ff ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 RSP: 0018:ffffc900045bf6f8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000012 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000330 RDI: ffffffff8571d603 RBP: ffffc900045bf730 R08: dffffc0000000000 R09: ffffed102386d1b1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920008b7ef8 R13: 0000000000000000 R14: ffff8881233eded8 R15: 1ffff1102467dbe5 FS: 00007f7dadf95700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7dae53e000 CR3: 000000011aaf3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x7ab/0xac0 fs/ext4/inline.c:816 ext4_da_write_end+0x12b/0x700 fs/ext4/inode.c:3090 generic_perform_write+0x397/0x4e0 mm/filemap.c:3842 ext4_buffered_write_iter+0x3fa/0x540 fs/ext4/file.c:271 ext4_file_write_iter+0x441/0x1890 call_write_iter include/linux/fs.h:2159 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x713/0xd00 fs/read_write.c:594 ksys_write+0x15c/0x240 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __x64_sys_write+0x76/0x80 fs/read_write.c:656 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7dae4220f9 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:00007f7dadf95168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7dae541f80 RCX: 00007f7dae4220f9 RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 RBP: 00007f7dae47dae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe001ac1ef R14: 00007f7dadf95300 R15: 0000000000022000 Modules linked in: ---[ end trace 174068dc1869d50f ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x14f/0x160 fs/ext4/ext4_jbd2.c:116 Code: d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 44 ff ff ff e8 06 e7 d8 ff e9 3a ff ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 RSP: 0018:ffffc900045bf6f8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000012 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000330 RDI: ffffffff8571d603 RBP: ffffc900045bf730 R08: dffffc0000000000 R09: ffffed102386d1b1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920008b7ef8 R13: 0000000000000000 R14: ffff8881233eded8 R15: 1ffff1102467dbe5 FS: 00007f7dadf95700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7dae53e000 CR3: 000000011aaf3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400