ci starts bisection 2025-01-02 12:20:53.313731228 +0000 UTC m=+602042.218617806
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: 1e8636d16e85708967c93e19725f9a7f0b8025222055b7a8390ceb2c5af11360
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: 7ffc7aae99fa5948ed344f15dfad531b3914bf53e05f6d5f77a02702902ee54a
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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
kconfig minimization: base=4047 full=8193 leaves diff=2109
split chunks (needed=false): <2109>
split chunk #0 of len 2109 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: 293987d81127afaddb9544892e773f2f5408b634713438fd647a1cc010eb7536
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 [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: fca502fe28b88403d79590e8328ec224ca160bae30a38c6a9c1aa4c9c0dff32c
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 [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: 409e23e8372ed73d755d85b46e897ed5fd7997010c3b9fb202e5889e236fbf0c
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 [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: 11ced692ff73e0faae9f897ef4bec3c8eda3cf6b4e1fd18edb5d7c75cd8aabe6
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 [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: 75134c721a4e2df2e764ba857937bd98dac20e47429e7018334eea381d52cd72
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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 56e6a3499e14716b9a28a307bb6d18c10e95301e
testing commit 56e6a3499e14716b9a28a307bb6d18c10e95301e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 79c5471592a55752b80717d452f4749572a09f8eccd66568b662c95031f85e25
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: 1h19m20.66188558s (build: 46m20.746561074s, test: 26m41.826814095s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'trace-v6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
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: 0 UID: 0 PID: 2867 Comm: syz.3.15 Not tainted 6.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_write_inline_data+0x149/0x160 fs/ext4/inline.c:235
Code: 4b 01 01 90 48 c7 c2 78 b7 46 82 4c 89 fe 48 c7 c7 60 05 44 82 e8 d7 e9 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 5e 80 af 00 0f 1f
RSP: 0018:ffffc90000f3fcf0 EFLAGS: 00010216
RAX: ffff888000000000 RBX: ffff888111c4cd70 RCX: 000000000000003c
RDX: 0000010000000006 RSI: ffffc90000f3fd38 RDI: ffff888111c4cd70
RBP: 0000010000000005 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888111c4cd70
R13: ffff888117724000 R14: 0000010000000005 R15: 0000000000000000
FS:  00007fbf9233f6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf928a0f40 CR3: 00000001097de000 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:4070
 ext4_buffered_write_iter+0x5f/0xf0 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: 0033:0x7fbf928be719
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:00007fbf9233f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbf92a75f80 RCX: 00007fbf928be719
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007fbf9293175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbf92a75f80 R15: 00007ffedaa3b028
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x149/0x160 fs/ext4/inline.c:235
Code: 4b 01 01 90 48 c7 c2 78 b7 46 82 4c 89 fe 48 c7 c7 60 05 44 82 e8 d7 e9 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 5e 80 af 00 0f 1f
RSP: 0018:ffffc90000f3fcf0 EFLAGS: 00010216
RAX: ffff888000000000 RBX: ffff888111c4cd70 RCX: 000000000000003c
RDX: 0000010000000006 RSI: ffffc90000f3fd38 RDI: ffff888111c4cd70
RBP: 0000010000000005 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888111c4cd70
R13: ffff888117724000 R14: 0000010000000005 R15: 0000000000000000
FS:  00007fbf9233f6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf928a0f40 CR3: 00000001097de000 CR4: 0000000000350ef0