ci2 starts bisection 2023-09-25 10:30:01.636582298 +0000 UTC m=+1044733.665756421 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: a5cca22db5c7d1eefcaef26af72f87026a677e5d9cb586fa57d8c1b2e7c0c574 run #0: crashed: kernel BUG in __ext4_journal_stop run #1: crashed: kernel BUG in ext4_writepages run #2: crashed: kernel BUG in ext4_writepages run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: kernel BUG in __ext4_journal_stop 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_journal_stop 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: kernel BUG in ext4_writepages 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 [ATOMIC_SLEEP LEAK UBSAN BUG 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: 31b48727f83d67eb4b248d57b3c2c05d84fea635f2fef275eed436d17722246f 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: invalid opcode 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: invalid opcode in __ext4_journal_stop representative crash: INFO: rcu detected stall in corrupted, types: [HANG UNKNOWN] 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=1995 split chunks (needed=false): <1995> split chunk #0 of len 1995 into 5 parts testing without sub-chunk 1/5 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: de265f5333b50cea03811e82bd5f53b27092cff1064498145fb977fd308e6b2d run #0: crashed: invalid opcode in ext4_writepages run #1: crashed: invalid opcode in ext4_writepages run #2: crashed: invalid opcode in __ext4_journal_stop run #3: crashed: invalid opcode in ext4_writepages run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: invalid opcode in __ext4_journal_stop run #7: crashed: invalid opcode in ext4_writepages run #8: crashed: invalid opcode in __ext4_journal_stop 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 2/5 disabling configs for [UBSAN BUG 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: 56cc1d6648f27f4c3422ea7f5e4391a8854bbcd4ec77c5027be5786b9d937eb3 run #0: crashed: invalid opcode in ext4_writepages run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: invalid opcode 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: invalid opcode in __ext4_journal_stop run #7: crashed: invalid opcode in ext4_writepages run #8: crashed: invalid opcode in __ext4_journal_stop run #9: crashed: invalid opcode in __ext4_journal_stop representative crash: invalid opcode in ext4_writepages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG 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: 63419baee2bc304c8aff47fe35102d7037cffc4468b4e95766b56f04d6d10d5c 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: invalid opcode in ext4_writepages run #4: crashed: invalid opcode in __ext4_journal_stop run #5: crashed: invalid opcode in ext4_writepages run #6: crashed: invalid opcode in ext4_writepages run #7: crashed: invalid opcode in ext4_writepages run #8: crashed: invalid opcode in ext4_writepages run #9: crashed: invalid opcode in ext4_writepages representative crash: invalid opcode in __ext4_journal_stop, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 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: 96b630c5eca5aaaf508308d5f880c599070e71115dc4428cead8d384cbd13374 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 [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: 98aafbc64f1b934a83c448cac8332eaa9024cfc5846da88e39481a274cbf1e98 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 d23900f974e0fb995b36ef47283a5aa74ca25f51 testing commit d23900f974e0fb995b36ef47283a5aa74ca25f51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82d9237f363923422cb92c632e9363a1de91f2c119602318593411baa6e784c0 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: 1h19m22.3836787s (build: 39m28.114025894s, test: 37m1.006213423s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.55 crash: invalid opcode in __ext4_journal_stop invalid opcode: 0000 [#1] PREEMPT SMP CPU: 0 PID: 3910 Comm: syz-executor.4 Not tainted 6.1.55-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 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 66 66 05 00 eb 0f 48 89 d7 e8 3c 10 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:ffffc900011afa48 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff8232dcbe RBP: 0000000000000000 R08: ffff888100425a80 R09: 0000000000000000 R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046b8380 R13: ffff888103fe8000 R14: 0000000000000000 R15: ffff8881142044f8 FS: 00007f6c5b1276c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d37884000 CR3: 0000000104394000 CR4: 00000000003506f0 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:3765 ext4_buffered_write_iter+0xe1/0x170 fs/ext4/file.c:285 ext4_file_write_iter+0x2a8/0x7f0 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+0x145/0x2c0 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: 0033:0x7f6c638c5b29 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:00007f6c5b1270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f6c639e5050 RCX: 00007f6c638c5b29 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f6c6391147a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f6c639e5050 R15: 00007ffd9efca5c8 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 66 05 00 eb 0f 48 89 d7 e8 3c 10 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:ffffc900011afa48 EFLAGS: 00010246 RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff8232dcbe RBP: 0000000000000000 R08: ffff888100425a80 R09: 0000000000000000 R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046b8380 R13: ffff888103fe8000 R14: 0000000000000000 R15: ffff8881142044f8 FS: 00007f6c5b1276c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d37884000 CR3: 0000000104394000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400