ci2 starts bisection 2024-02-01 17:07:36.69986204 +0000 UTC m=+21537.978848421 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: 2d3ffa21100d1bf40a5570cbf546ebb79ce43381531fb3fa6749f3e16c328e00 run #0: crashed: kernel BUG in ext4_writepages run #1: crashed: kernel BUG in __ext4_journal_stop run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: kernel BUG in ext4_writepages 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: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted 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] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], 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: c868aba2b2ca49c7e9c82b584e3442f84d893b3b149ed9f214a82967174e9b3e run #0: crashed: invalid opcode in __ext4_journal_stop run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: invalid opcode in ext4_writepages 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: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], 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: b997d117652a3861c13d0961df48e5ed9acfb2d9b00d3ee87915e4f3edeec38c run #0: crashed: invalid opcode in __ext4_journal_stop 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: invalid opcode in ext4_writepages 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: invalid opcode in ext4_writepages run #9: crashed: invalid opcode in ext4_writepages representative crash: INFO: rcu detected stall in corrupted, types: [HANG UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], 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: e8ad364592f315fc1baf236c78044133600adeef2e1e46e85ccbda3cdef8ccd4 run #0: crashed: invalid opcode in __ext4_journal_stop run #1: crashed: invalid opcode in __ext4_journal_stop run #2: crashed: invalid opcode in __ext4_journal_stop run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: invalid opcode in ext4_writepages run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: invalid opcode in __ext4_journal_stop run #9: crashed: invalid opcode in __ext4_journal_stop representative crash: invalid opcode in __ext4_journal_stop, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG 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: dddecd325cc5e15c5406b8539dfcc4cb07f07e6b8ddc6c9642e35cc68a1822bf run #0: crashed: invalid opcode in ext4_writepages run #1: crashed: invalid opcode in __ext4_journal_stop run #2: crashed: invalid opcode in __ext4_journal_stop run #3: crashed: invalid opcode in ext4_writepages run #4: crashed: invalid opcode in ext4_writepages run #5: crashed: invalid opcode in __ext4_journal_stop run #6: crashed: invalid opcode in __ext4_journal_stop run #7: crashed: invalid opcode in __ext4_journal_stop run #8: crashed: invalid opcode in ext4_writepages run #9: crashed: invalid opcode in ext4_writepages representative crash: invalid opcode in ext4_writepages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], 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: 2154b9e0413f7473702059fd6d2428aff8f80d55bc204e33142d4c79cc798b55 all runs: crashed: invalid opcode in __ext4_journal_stop representative crash: invalid opcode in __ext4_journal_stop, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], 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: bbf86a1f9ba00aef98896ee093916253d383f3a9e8b0694e2d3ffe80f8110e1a all runs: crashed: invalid opcode in __ext4_journal_stop representative crash: invalid opcode in __ext4_journal_stop, types: [UNKNOWN] the chunk can be dropped disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD e5c3b988b827c76f52d0f62343e863b9133a0cd2 testing commit e5c3b988b827c76f52d0f62343e863b9133a0cd2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 06e1912ec80b0fc089b6a617b8a624575c0d57176a879e4b5aaf5de20fe6e939 all runs: crashed: invalid opcode in __ext4_journal_stop representative crash: invalid opcode in __ext4_journal_stop, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h3m17.670404689s (build: 29m36.799409524s, test: 31m3.535465528s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.76 crash: invalid opcode in __ext4_journal_stop invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 4247 Comm: syz-executor.0 Not tainted 6.1.76-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 66 6b 05 00 eb 0f 48 89 d7 e8 3c 15 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:ffffc900017aba38 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff8231aa93 RBP: 0000000000000000 R08: ffff888114ec12a0 R09: 0000000000000000 R10: 0000000000000000 R11: 4000000000000000 R12: ffffea000471fc40 R13: ffff888105bb9b40 R14: 0000000000000000 R15: ffff888114ee44f8 FS: 00007fe4ddf406c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e49b21988 CR3: 0000000105f2b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x3a2/0x5d0 fs/ext4/inline.c:812 generic_perform_write+0xe6/0x220 mm/filemap.c:3828 ext4_buffered_write_iter+0xe1/0x170 fs/ext4/file.c:285 ext4_file_write_iter+0x56/0x670 do_iter_write+0x1c2/0x2d0 fs/read_write.c:861 iter_file_splice_write+0x278/0x430 fs/splice.c:685 do_splice_from fs/splice.c:763 [inline] direct_splice_actor+0x27/0x90 fs/splice.c:950 splice_direct_to_actor+0x13e/0x2f0 fs/splice.c:896 do_splice_direct+0x8b/0xd0 fs/splice.c:1002 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:51 [inline] do_syscall_64+0x3d/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe4e66deb29 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:00007fe4ddf400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fe4e67fe050 RCX: 00007fe4e66deb29 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fe4e672a47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe4e67fe050 R15: 00007fff4a72d8d8 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 66 6b 05 00 eb 0f 48 89 d7 e8 3c 15 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:ffffc900017aba38 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff8231aa93 RBP: 0000000000000000 R08: ffff888114ec12a0 R09: 0000000000000000 R10: 0000000000000000 R11: 4000000000000000 R12: ffffea000471fc40 R13: ffff888105bb9b40 R14: 0000000000000000 R15: ffff888114ee44f8 FS: 00007fe4ddf406c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e49b21988 CR3: 0000000105f2b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400