ci2 starts bisection 2023-10-28 08:02:43.200376287 +0000 UTC m=+65618.875994892
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: ccb768962eacc874a92530d9af283715ea974fbc4743d0efafb655faf2d30f0f
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: INFO: rcu detected stall in corrupted
run #7: crashed: kernel BUG in __ext4_journal_stop
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: kernel BUG in ext4_writepages
run #10: crashed: kernel BUG in ext4_writepages
run #11: crashed: kernel BUG in ext4_writepages
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: kernel BUG in ext4_writepages
run #14: crashed: kernel BUG in __ext4_journal_stop
run #15: crashed: INFO: rcu detected stall in corrupted
run #16: crashed: INFO: rcu detected stall in corrupted
run #17: crashed: kernel BUG in __ext4_journal_stop
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in corrupted
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 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: af7930fd9a2a16363e213cd28af8fe7e4b8f08408e5c348f019dce22dcab0b77
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_writepages
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: kernel BUG in __ext4_journal_stop, types: [BUG UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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 HANG LEAK UBSAN 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: 2b27d0d92fac5912805a5ce1ae25e9a424b4b25e9af4028d6d59dd1b5fa7d677
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_writepages
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: kernel BUG in __ext4_journal_stop, types: [BUG UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG 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: 696e8fafdcc5d5b4bdaf2f2fbb06a560abec9e04bb850e0cb75f85ade6763146
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_writepages
run #4: crashed: kernel BUG in __ext4_journal_stop
run #5: crashed: kernel BUG in ext4_writepages
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: kernel BUG in ext4_writepages, types: [BUG UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG 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: 146abee856694d92a7d0048f2cfc860695b8f34d543de46a54a0766886fc95e4
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_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_journal_stop
run #7: crashed: kernel BUG in __ext4_journal_stop
run #8: crashed: kernel BUG in ext4_writepages
run #9: crashed: kernel BUG in __ext4_journal_stop
representative crash: kernel BUG in ext4_writepages, 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 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c7c1ef74ecb745602fa35ab36779779781be046d5c50feb4f6da7206ea489a0
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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN 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: ba9e1e2c016209815f04858f382220d87c25faa65a4db8dfc72f444d188f32ec
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 HANG LEAK], they are not needed
testing current HEAD 32c9cdbe383c153af23cfa1df0a352b97ab3df7a
testing commit 32c9cdbe383c153af23cfa1df0a352b97ab3df7a gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e05e564e859362590b9c3ac782fe76dcd10a1f63b9e9eb79ed97d1806266c761
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: 1h12m30.398657874s (build: 27m0.090074577s, test: 42m43.54457583s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1.60
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: 0 PID: 3931 Comm: syz-executor.4 Not tainted 6.1.60-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
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 f6 8c 05 00 eb 0f 48 89 d7 e8 0c 41 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:ffffc900011cba48 EFLAGS: 00010246
RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82321580
RBP: 0000000000000000 R08: ffff888111f72690 R09: 0000000000000000
R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046f9000
R13: ffff88810ba91b00 R14: 0000000000000000 R15: ffff8881151df450
FS:  00007f1a89d516c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb28b217d58 CR3: 0000000105319000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x3a9/0x5e0 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+0x2a8/0x820
 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: 0033:0x7f1a924efb29
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:00007f1a89d510c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f1a9260f050 RCX: 00007f1a924efb29
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f1a9253b47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1a9260f050 R15: 00007ffcf8efc0d8
 </TASK>
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 f6 8c 05 00 eb 0f 48 89 d7 e8 0c 41 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:ffffc900011cba48 EFLAGS: 00010246
RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82321580
RBP: 0000000000000000 R08: ffff888111f72690 R09: 0000000000000000
R10: 0000000000000000 R11: 07ffffffffffffff R12: ffffea00046f9000
R13: ffff88810ba91b00 R14: 0000000000000000 R15: ffff8881151df450
FS:  00007f1a89d516c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb28b217d58 CR3: 0000000105319000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400