ci2 starts bisection 2024-04-25 14:12:25.103431774 +0000 UTC m=+80375.879076329 bisecting fixing commit since f67653019430833d5003f16817d7fa85272a6a76 building syzkaller on 79782afcff30fd0c0af8c2725d508b2c7150f3ed ensuring issue is reproducible on original commit f67653019430833d5003f16817d7fa85272a6a76 testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ca8d915bbc10d0ca8493a5596e52874e606af9cb436c350bcc27ee3d675ecae 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_writepages run #5: crashed: kernel BUG in ext4_writepages run #6: crashed: kernel BUG in ext4_writepages run #7: crashed: kernel BUG in ext4_writepages run #8: crashed: kernel BUG in ext4_writepages run #9: crashed: kernel BUG in __ext4_journal_stop run #10: crashed: kernel BUG in __ext4_journal_stop run #11: crashed: kernel BUG in ext4_writepages run #12: crashed: kernel BUG in __ext4_journal_stop 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_writepages run #17: crashed: kernel BUG in __ext4_journal_stop run #18: crashed: kernel BUG in ext4_writepages run #19: crashed: kernel BUG in ext4_writepages representative crash: kernel BUG in ext4_writepages, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d4088262c03196d262ec571a3f372d7e9a3a87322d80334e12bc58ff2c5b153 run #0: crashed: kernel BUG in ext4_writepages run #1: crashed: kernel BUG in ext4_writepages 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 representative crash: kernel BUG in ext4_writepages, types: [BUG] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed kconfig minimization: base=3703 full=7269 leaves diff=1987 split chunks (needed=false): <1987> split chunk #0 of len 1987 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 836bee0fb4532fb3fbbd7296c0db7565e066eecf39ac646b520b9769da4320a8 run #0: crashed: kernel BUG in __ext4_journal_stop run #1: crashed: kernel BUG in __ext4_journal_stop run #2: crashed: kernel BUG in ext4_writepages run #3: crashed: kernel BUG in __ext4_journal_stop run #4: crashed: kernel BUG in ext4_writepages run #5: crashed: kernel BUG in __ext4_journal_stop run #6: crashed: kernel BUG in ext4_writepages run #7: crashed: kernel BUG in __ext4_journal_stop run #8: crashed: kernel BUG in ext4_writepages run #9: crashed: kernel BUG in ext4_writepages representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: caa34f80e95b9e93348bcf88b56e5edd85c30ad4dd4e43ad48c6cb799ba4d7e8 run #0: crashed: kernel BUG in __ext4_journal_stop run #1: crashed: kernel BUG in __ext4_journal_stop 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_writepages run #9: crashed: kernel BUG in ext4_writepages representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10a37c284a0c810e2ac9551a455978721d9cd67486e35b1cf32df57145c6439c run #0: crashed: kernel BUG in __ext4_journal_stop run #1: crashed: kernel BUG in __ext4_journal_stop 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: crashed: kernel BUG in __ext4_journal_stop run #6: crashed: WARNING in ext4_iomap_begin run #7: crashed: kernel BUG in __ext4_journal_stop run #8: crashed: kernel BUG in __ext4_journal_stop run #9: boot failed: WARNING: ODEBUG bug in exit_to_user_mode_prepare representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d777f0d0dbcbfc766a23eb15672e334a0bf1e0b551ebf512383e9edf9f6a0d9e all runs: crashed: kernel BUG in __ext4_journal_stop representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68ca696c9955df572bf48f771775af16d03e305d33fb6c5934c219120eeb7d73 all runs: crashed: kernel BUG in __ext4_journal_stop representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89f220989dba35102720ceb16fa8af7285cbbf3ea032ae3a7a1dfe8a7b546424 all runs: crashed: kernel BUG in __ext4_journal_stop representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h31m49.121355631s (build: 32m21.657822592s, test: 57m39.457648557s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.156 crash: kernel BUG in __ext4_journal_stop ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! invalid opcode: 0000 [#1] SMP CPU: 0 PID: 5047 Comm: syz-executor.0 Not tainted 5.15.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x8f/0xa0 fs/ext4/ext4_jbd2.c:116 Code: 89 d9 44 89 e2 48 89 ee 4c 89 ef e8 eb 5b 05 00 89 d8 5b 5d 41 5c 41 5d c3 e8 8d a0 06 00 85 db 0f 45 c3 5b 5d 41 5c 41 5d c3 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 81 ff ff 0f RSP: 0018:ffffc9000295fb78 EFLAGS: 00010246 RAX: 0000000000000007 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: 0000000000000000 RBP: ffffffff82031010 R08: ffff88810f6a53f0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000008 R14: ffffea0004507a00 R15: 0000000000000008 FS: 00007f0c847e86c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4bf15ca20f CR3: 000000010db96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x1e9/0x480 fs/ext4/inline.c:812 generic_perform_write+0x109/0x1f0 mm/filemap.c:3796 ext4_buffered_write_iter+0x9a/0x150 fs/ext4/file.c:268 call_write_iter include/linux/fs.h:2172 [inline] do_iter_readv_writev+0x14d/0x1a0 fs/read_write.c:729 do_iter_write+0x7a/0x1c0 fs/read_write.c:855 iter_file_splice_write+0x28f/0x430 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x24/0x40 fs/splice.c:936 splice_direct_to_actor+0xe9/0x220 fs/splice.c:891 do_splice_direct+0x8c/0xd0 fs/splice.c:979 do_sendfile+0x35e/0x4f0 fs/read_write.c:1249 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f0c8cf86b29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0c847e80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f0c8d0a6050 RCX: 00007f0c8cf86b29 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f0c8cfd247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f0c8d0a6050 R15: 00007fff4f38bdd8 Modules linked in: ---[ end trace 4a50f359d3ee948e ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x8f/0xa0 fs/ext4/ext4_jbd2.c:116 Code: 89 d9 44 89 e2 48 89 ee 4c 89 ef e8 eb 5b 05 00 89 d8 5b 5d 41 5c 41 5d c3 e8 8d a0 06 00 85 db 0f 45 c3 5b 5d 41 5c 41 5d c3 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 81 ff ff 0f RSP: 0018:ffffc9000295fb78 EFLAGS: 00010246 RAX: 0000000000000007 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: 0000000000000000 RBP: ffffffff82031010 R08: ffff88810f6a53f0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000008 R14: ffffea0004507a00 R15: 0000000000000008 FS: 00007f0c847e86c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4bf15ca20f CR3: 000000010db96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400