ci2 starts bisection 2023-12-29 18:17:30.022506244 +0000 UTC m=+613653.346391815
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: 742cfd792f487ad0f73380606da83108b33a0ebaf056ffc1f569fe9debf43ee4
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: 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: kernel BUG in __ext4_journal_stop
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: kernel BUG in ext4_writepages
run #18: crashed: kernel BUG in ext4_writepages
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 [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: 302d047a1af8f3bb46caa1dda347bec0349db8e4420acbfae8d274fee24dad33
run #0: crashed: kernel BUG in ext4_writepages
run #1: crashed: kernel BUG in ext4_writepages
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_writepages
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: kernel BUG in ext4_writepages
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: kernel BUG in __ext4_journal_stop
run #9: crashed: kernel BUG in ext4_writepages
representative crash: kernel BUG in ext4_writepages, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN 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 [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: 3d0331b80c8bfc4446633d54773755763fb770a8e40a9c070ecf26cba8059b62
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: 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_journal_stop
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 [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: 8cf82b9eeea5533360aee9f5db182010d0fa9ff23b2bafe61619c452db7c7af3
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_journal_stop
run #3: crashed: kernel BUG in __ext4_journal_stop
run #4: crashed: kernel BUG in __ext4_journal_stop
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_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: 47896561532bf1a8566af3f5985dc314aa956535d4c37d2efc54b3b91bf64e06
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: kernel BUG in ext4_writepages
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_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 [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: 722e699de7fb9ba521d4afc8cfd0d2958bd7197f9daaa1c07d0fd92335cdde9e
run #0: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '60DAB0FF72D93.9972.B204A522'), backendError
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: 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_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: 7beeccb9a01cbe3fbe63fe03a4f0e30e5a8473a316aa1fd3c5087f2359c52f42
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 [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing current HEAD 4aa6747d935281df8a1888feeb6e22e0097d0b86
testing commit 4aa6747d935281df8a1888feeb6e22e0097d0b86 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c0adb77569fed520e885507f40899028a7c9fe9d035b18b3f7b52c82103e6258
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: 1h27m16.994076308s (build: 42m30.548688593s, test: 30m59.979641733s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1.69
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: 3980 Comm: syz-executor.4 Not tainted 6.1.69-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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 d6 8e 05 00 eb 0f 48 89 d7 e8 ec 42 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:ffffc900013eba48 EFLAGS: 00010246
RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82323465
RBP: 0000000000000000 R08: ffff888114527c78 R09: 0000000000000000
R10: 0000000000000000 R11: 4000000000000000 R12: ffffea00047403c0
R13: ffff88810538d1c0 R14: 0000000000000000 R15: ffff8881146c0c28
FS:  00007fa4cea746c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4d726d20f CR3: 00000001053e1000 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: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:51 [inline]
 do_syscall_64+0x3d/0x80 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa4d7212b29
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:00007fa4cea740c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa4d7332050 RCX: 00007fa4d7212b29
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fa4d725e47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa4d7332050 R15: 00007fff930416c8
 </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 d6 8e 05 00 eb 0f 48 89 d7 e8 ec 42 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:ffffc900013eba48 EFLAGS: 00010246
RAX: fffffffffffffff8 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff82323465
RBP: 0000000000000000 R08: ffff888114527c78 R09: 0000000000000000
R10: 0000000000000000 R11: 4000000000000000 R12: ffffea00047403c0
R13: ffff88810538d1c0 R14: 0000000000000000 R15: ffff8881146c0c28
FS:  00007fa4cea746c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4d726d20f CR3: 00000001053e1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400