ci2 starts bisection 2024-10-24 21:13:38.636363904 +0000 UTC m=+42385.354964603
bisecting fixing commit since 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde
building syzkaller on f10afd6936523834f5b3297e9771b19a8f0edcb5
ensuring issue is reproducible on original commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde

testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2afc010ec12244a2760b555c8e3b96f939468ee16311614c3c13ffb343981fcc
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 992d3220adb8392ea2cc8337e83046710298a7a023d7ed6d8b4229e54a4079ca
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, 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=4789 full=6018 leaves diff=238
split chunks (needed=false): <238>
split chunk #0 of len 238 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 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 277d9c48c8a1f32588b544db708bcd54d7788323ff97f874e34c30e4b3763a1f
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, 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 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5169e435164867723407027c5cd3f685baa6cbd2f27f8110ce2c248adcfc5bd1
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bf12988e220007e56d60f9fd6bfd0d00bd5b25b2b0183f2141b2fc030f47cbb0
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7f3768d2598cf8e019bdf05ad0e597fd7e406d64ec2ee493cb9029ae3c9d7664
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, 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 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde: net/socket.c:1128: undefined reference to `wext_handle_ioctl'
net/socket.c:3397: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:346: undefined reference to `wext_proc_exit'
net/core/net-procfs.c:330: undefined reference to `wext_proc_init'
minimized to 46 configs; suspects: [HID_ZEROPLUS USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF]
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing current HEAD e5e5644ea27f86a29c84df744a01ea7de65ef800
testing commit e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6d0c4e526d53637e695765cf4a045ec9b99e96ce659095a6e4359859d9d1db89
all runs: crashed: kernel BUG in ext4_mark_iloc_dirty
representative crash: kernel BUG in ext4_mark_iloc_dirty, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 55m51.528885076s (build: 20m18.275359879s, test: 33m40.105655242s)
crash still not fixed or there were kernel test errors
commit msg: Revert "udf: Avoid excessive partition lengths"
crash: kernel BUG in ext4_mark_iloc_dirty
EXT4-fs error (device loop0): ext4_validate_block_bitmap:420: comm syz-executor.0: bg 0: bad block bitmap checksum
EXT4-fs error (device loop0) in ext4_mb_clear_bb:5647: Filesystem failed CRC
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:5273!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 379 Comm: syz-executor.0 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5273 [inline]
RIP: 0010:ext4_mark_iloc_dirty+0xa6e/0xa70 fs/ext4/inode.c:5869
Code: 85 d2 74 0f 48 8b 7a 08 48 89 c6 4c 89 e2 e8 59 44 02 00 65 ff 0d 52 05 c0 7e 0f 85 d7 fd ff ff e8 0e 7d be ff e9 cd fd ff ff <0f> 0b 48 8b 46 28 48 8b 80 c8 03 00 00 48 8b 80 90 02 00 00 a8 02
RSP: 0018:ffffc900006b78c0 EFLAGS: 00010206
RAX: ffff888111bf9000 RBX: ffffc900006b7960 RCX: ffff888111aa4400
RDX: ffff888109e1e750 RSI: 0000000000000005 RDI: 00000000000000a0
RBP: ffffc900006b7940 R08: ffffffff82c4db90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888109e1e8e8
R13: ffff888109f3b1a0 R14: 000000000000003c R15: ffff888111cefc00
FS:  00007f45f37e96c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560966e743f0 CR3: 0000000111b6f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __ext4_mark_inode_dirty+0x76/0x220 fs/ext4/inode.c:6071
 __ext4_ext_dirty+0x84/0xb0 fs/ext4/extents.c:182
 ext4_ext_rm_leaf fs/ext4/extents.c:2716 [inline]
 ext4_ext_remove_space+0x588/0x1500 fs/ext4/extents.c:2928
 ext4_ext_truncate+0x94/0xa0 fs/ext4/extents.c:4444
 ext4_truncate+0x3da/0x4b0 fs/ext4/inode.c:4366
 ext4_setattr+0x54b/0x9a0 fs/ext4/inode.c:5646
 notify_change+0x33a/0x4a0 fs/attr.c:410
 do_truncate+0x73/0xc0 fs/open.c:65
 handle_truncate fs/namei.c:3054 [inline]
 do_open fs/namei.c:3395 [inline]
 path_openat+0xc0f/0x10d0 fs/namei.c:3509
 do_filp_open+0x9d/0x140 fs/namei.c:3536
 do_sys_openat2+0x9c/0x210 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_creat fs/open.c:1307 [inline]
 __se_sys_creat fs/open.c:1301 [inline]
 __x64_sys_creat+0x46/0x60 fs/open.c:1301
 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f45f3c67ea9
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:00007f45f37e90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f45f3d95f80 RCX: 00007f45f3c67ea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f45f3cb44a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f45f3d95f80 R15: 00007ffec7d9f118
Modules linked in:
---[ end trace 4bdaa7aa08be446f ]---
RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5273 [inline]
RIP: 0010:ext4_mark_iloc_dirty+0xa6e/0xa70 fs/ext4/inode.c:5869
Code: 85 d2 74 0f 48 8b 7a 08 48 89 c6 4c 89 e2 e8 59 44 02 00 65 ff 0d 52 05 c0 7e 0f 85 d7 fd ff ff e8 0e 7d be ff e9 cd fd ff ff <0f> 0b 48 8b 46 28 48 8b 80 c8 03 00 00 48 8b 80 90 02 00 00 a8 02
RSP: 0018:ffffc900006b78c0 EFLAGS: 00010206
RAX: ffff888111bf9000 RBX: ffffc900006b7960 RCX: ffff888111aa4400
RDX: ffff888109e1e750 RSI: 0000000000000005 RDI: 00000000000000a0
RBP: ffffc900006b7940 R08: ffffffff82c4db90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888109e1e8e8
R13: ffff888109f3b1a0 R14: 000000000000003c R15: ffff888111cefc00
FS:  00007f45f37e96c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560966e743f0 CR3: 0000000111b6f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400