ci starts bisection 2025-02-02 17:36:04.845952756 +0000 UTC m=+34557.345918411
bisecting fixing commit since 4a5df37964673effcd9f84041f7423206a5ae5f2
building syzkaller on cfe3a04a188eb9a2c407783d8d6e6f55a4b30886
ensuring issue is reproducible on original commit 4a5df37964673effcd9f84041f7423206a5ae5f2

testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 30e513de8e3a839f2ed7a04e14d32e75bfa5d8c568932634a8c76728519fc947
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7e18b47bb443dd0ba96a4246a6385d025767e088c942751930a51b39ed74b845
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=4065 full=8193 leaves diff=2119
split chunks (needed=false): <2119>
split chunk #0 of len 2119 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 27ba728aaaaa715d5c3226b1bf345d01c85162244abad3dfda89580461189e95
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cf8cf2bdd04355d8ce99f1df7be26f162fd31193c2a1bbc6d0001266c37bc21c
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bbfb53c3cbdc465e66e40e0194dbc883001e703d5dac5e0607430ee41c2e20b1
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c041f38ea9563ed233217faa5280ce2626417fcbccfd1a8757cc4f5ad9050b06
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 4a5df37964673effcd9f84041f7423206a5ae5f2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8b2cb17b6354b9b7946fdb44bbd68d3da05fdab60e6c3cb5d21dda400ef15e99
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the chunk can be dropped
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing current HEAD a86bf2283d2c9769205407e2b54777c03d012939
testing commit a86bf2283d2c9769205407e2b54777c03d012939 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7b2b64e0dd7fca7f585239895349eb22f4375a5cc7478603f4c415bcea8b7af2
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 2h52m50.903061721s (build: 1h44m18.114733739s, test: 57m26.348956632s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
crash: kernel BUG in ext4_write_inline_data
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:235!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 UID: 0 PID: 2864 Comm: syz.3.15 Not tainted 6.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:ext4_write_inline_data+0x149/0x160 fs/ext4/inline.c:235
Code: 2b 01 01 90 48 c7 c2 28 ed 46 82 4c 89 fe 48 c7 c7 f0 37 44 82 e8 17 cf c7 ff 90 0f 0b 90 90 44 8b 44 24 04 eb 85 90 0f 0b 90 <0f> 0b 48 83 c4 08 5d 41 5c 41 5d 41 5e 41 5f e9 de 6b af ff 0f 1f
RSP: 0018:ffffc900020ffcf0 EFLAGS: 00010216
RAX: ffff888000000000 RBX: ffff88811056d6c8 RCX: 000000000000003c
RDX: 0000010000000006 RSI: ffffc900020ffd38 RDI: ffff88811056d6c8
RBP: 0000010000000005 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811056d6c8
R13: ffff88811a020000 R14: 0000010000000005 R15: 0000000000000000
FS:  00007f19cc10f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81dc5aeed8 CR3: 0000000100f96000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x112/0x410 fs/ext4/inline.c:774
 generic_perform_write+0x198/0x2d0 mm/filemap.c:4204
 ext4_buffered_write_iter+0x63/0x110 fs/ext4/file.c:299
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x2b0/0x4b0 fs/read_write.c:679
 ksys_pwrite64 fs/read_write.c:786 [inline]
 __do_sys_pwrite64 fs/read_write.c:794 [inline]
 __se_sys_pwrite64 fs/read_write.c:791 [inline]
 __x64_sys_pwrite64+0x9a/0xc0 fs/read_write.c:791
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xb4/0x210 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f19cc68e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f19cc10f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f19cc845f80 RCX: 00007f19cc68e719
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007f19cc70175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f19cc845f80 R15: 00007fffb13de238
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x149/0x160 fs/ext4/inline.c:235
Code: 2b 01 01 90 48 c7 c2 28 ed 46 82 4c 89 fe 48 c7 c7 f0 37 44 82 e8 17 cf c7 ff 90 0f 0b 90 90 44 8b 44 24 04 eb 85 90 0f 0b 90 <0f> 0b 48 83 c4 08 5d 41 5c 41 5d 41 5e 41 5f e9 de 6b af ff 0f 1f
RSP: 0018:ffffc900020ffcf0 EFLAGS: 00010216
RAX: ffff888000000000 RBX: ffff88811056d6c8 RCX: 000000000000003c
RDX: 0000010000000006 RSI: ffffc900020ffd38 RDI: ffff88811056d6c8
RBP: 0000010000000005 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811056d6c8
R13: ffff88811a020000 R14: 0000010000000005 R15: 0000000000000000
FS:  00007f19cc10f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81dc5aeed8 CR3: 0000000100f96000 CR4: 0000000000350ef0