ci2 starts bisection 2023-11-28 20:00:52.169693421 +0000 UTC m=+117.878771552 bisecting fixing commit since 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 building syzkaller on 35d9ecc508aef508b67ee7986a7abb0864e74f8e ensuring issue is reproducible on original commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca0d53fba6ec1bc82f55c065c6c3db1a9f2d87ae10e1e421615e3bcd388552cc 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_writepages run #4: crashed: kernel BUG in ext4_writepages run #5: crashed: kernel BUG in ext4_writepages run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: kernel BUG in ext4_writepages run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG BUG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 02ba309b9f95d2a2ad27a49ebc7590ac79f6cd90018bf7029fc4a0dbcb5bc8f8 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: 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: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: kernel BUG in ext4_writepages representative crash: kernel BUG in ext4_writepages, types: [BUG HANG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1995 split chunks (needed=false): <1995> split chunk #0 of len 1995 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 05ee64d584ca793f0d0100d75dab117e896c6f25d11de61d614a4eb1cdcdc151 run #0: crashed: kernel BUG in ext4_writepages 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: 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: INFO: rcu detected stall in corrupted run #8: crashed: kernel BUG in ext4_writepages run #9: crashed: INFO: rcu detected stall in corrupted representative crash: kernel BUG in ext4_writepages, types: [BUG HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfe8a7f28b1417de240279d55a0ae840ca964467643c741d743627e3a961cb8b 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: kernel BUG in __ext4_journal_stop run #5: crashed: kernel BUG in ext4_writepages run #6: crashed: kernel BUG in ext4_writepages 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_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae7f9f7dbb4f8ec24bd6fc35420849286b83692f73794139d345cd4e6d0b1601 run #0: crashed: kernel BUG in __ext4_journal_stop run #1: crashed: kernel BUG in ext4_writepages run #2: crashed: kernel BUG in __ext4_journal_stop 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 representative crash: kernel BUG in __ext4_journal_stop, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b247dd3c415c1dbfb05eb49bbe7d80177e4e43452c79435fa5b13841fae8e27c 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 111ab03e48b74359882a56998529aaf040db83e1e377cf153bdebcbffcccc039 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing current HEAD 6ac30d748bb080752d4078d482534b68d62f685f testing commit 6ac30d748bb080752d4078d482534b68d62f685f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4d1ba4a472816ba3459fcc18b2b8c27a5dc4885f5d1332bcb50adfeaab962d0 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: 1h44m35.816044501s (build: 31m49.877155053s, test: 31m20.611573432s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.64 crash: kernel BUG in __ext4_journal_stop ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 4026 Comm: syz-executor.5 Not tainted 6.1.64-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x86/0x90 fs/ext4/ext4_jbd2.c:116 Code: ff 4c 89 e6 44 89 f2 89 d9 e8 b6 8c 05 00 eb 0f 48 89 d7 e8 cc 40 07 00 89 c3 85 ed 0f 45 dd 89 d8 5b 41 5c 41 5e 41 5f 5d c3 <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 81 ff ff RSP: 0018:ffffc9000143ba48 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82323105 RBP: 0000000000000000 R08: ffff888114e69498 R09: 0000000000000000 R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046bfe00 R13: ffff888103be3680 R14: 0000000000000000 R15: ffff888114f23208 FS: 00007faea23f06c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd5737d08 CR3: 000000010b297000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x3a9/0x5e0 fs/ext4/inline.c:812 generic_perform_write+0xe6/0x220 mm/filemap.c:3819 ext4_buffered_write_iter+0xe1/0x170 fs/ext4/file.c:285 ext4_file_write_iter+0x56/0x6a0 do_iter_write+0x1c2/0x2d0 fs/read_write.c:861 iter_file_splice_write+0x26c/0x420 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x27/0x90 fs/splice.c:931 splice_direct_to_actor+0x159/0x2e0 fs/splice.c:886 do_splice_direct+0x82/0xd0 fs/splice.c:974 do_sendfile+0x278/0x410 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x96/0xc0 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7faeaab8eb29 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:00007faea23f00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007faeaacae050 RCX: 00007faeaab8eb29 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007faeaabda47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007faeaacae050 R15: 00007ffe96005bf8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x86/0x90 fs/ext4/ext4_jbd2.c:116 Code: ff 4c 89 e6 44 89 f2 89 d9 e8 b6 8c 05 00 eb 0f 48 89 d7 e8 cc 40 07 00 89 c3 85 ed 0f 45 dd 89 d8 5b 41 5c 41 5e 41 5f 5d c3 <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 81 ff ff RSP: 0018:ffffc9000143ba48 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82323105 RBP: 0000000000000000 R08: ffff888114e69498 R09: 0000000000000000 R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046bfe00 R13: ffff888103be3680 R14: 0000000000000000 R15: ffff888114f23208 FS: 00007faea23f06c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcd5737d08 CR3: 000000010b297000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400