ci2 starts bisection 2024-05-21 19:04:42.134584432 +0000 UTC m=+43529.676156042
bisecting fixing commit since 8a427269c016a4b7a6c29a595f3c121030649818
building syzkaller on d216d8a03b50bef82eac746d227230835f061640
ensuring issue is reproducible on original commit 8a427269c016a4b7a6c29a595f3c121030649818

testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fadc525f20a4ed1b3ba5b1ef2313e345673b060155ccce4a904c2d5ec4f6773a
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1f14b5e3da18923e1bfe21819162c1321826e849410bb7aa5bfbb82e1dd15fe1
run #0: basic kernel testing failed: lost connection to test machine
run #1: basic kernel testing failed: lost connection to test machine
run #2: basic kernel testing failed: lost connection to test machine
run #3: crashed: kernel BUG in ext4_enable_quotas
run #4: crashed: kernel BUG in ext4_enable_quotas
run #5: crashed: kernel BUG in ext4_enable_quotas
run #6: crashed: kernel BUG in ext4_enable_quotas
run #7: crashed: kernel BUG in ext4_enable_quotas
run #8: crashed: kernel BUG in ext4_enable_quotas
run #9: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
kconfig minimization: base=4789 full=6022 leaves diff=237
split chunks (needed=false): <237>
split chunk #0 of len 237 into 5 parts
testing without sub-chunk 1/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6fb72608ba4ce4bfd8f4908fb4115a5d8530424bca2a84f2b70674a6126d43eb
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c9d0453519e668886fc9c81d0eb2356a0c4ac2400aac174798df4c009ab41830
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6d17d101d797de93180fe88092cd9caba617afcc8ab97bb3f43a675392eda070
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 260e6764e7adedddf64b46c4f4c0410fa58119e7c89abc295ad4bf749128c9f1
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 8a427269c016a4b7a6c29a595f3c121030649818: net/socket.c:1109: undefined reference to `wext_handle_ioctl'
net/socket.c:3378: 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 45 configs; suspects: [HID_ZEROPLUS 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing current HEAD a8e7f812fbc15d931311179614ea38730b6bcf09
testing commit a8e7f812fbc15d931311179614ea38730b6bcf09 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 640c781b6b6ed4de2554608cf98a34d62253242e25afd7404ef843ddc0376481
all runs: crashed: kernel BUG in ext4_enable_quotas
representative crash: kernel BUG in ext4_enable_quotas, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 2h1m4.718421524s (build: 55m52.525364704s, test: 1h3m53.321570124s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: cpufreq: brcmstb-avs-cpufreq: fix build error
crash: kernel BUG in ext4_enable_quotas
------------[ cut here ]------------
kernel BUG at fs/ext4/super.c:6400!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 1671 Comm: syz-executor.0 Not tainted 5.10.214-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6400 [inline]
RIP: 0010:ext4_enable_quotas+0x276/0x2c0 fs/ext4/super.c:6447
Code: f0 97 f1 ff 85 db 0f 84 22 ff ff ff 31 db 48 63 c3 49 8b bc c4 80 01 00 00 48 85 ff 75 c7 89 de 4c 89 e7 e8 3c b8 f7 ff eb da <0f> 0b 41 52 31 c9 ba 0d 19 00 00 49 c7 c1 90 50 a2 82 56 45 31 c0
RSP: 0018:ffffc900026ffc70 EFLAGS: 00010246
RAX: ffff88811485c400 RBX: 0000000000000001 RCX: 0000000000000004
RDX: 0000000000000001 RSI: ffff88811015e400 RDI: 0000000000000000
RBP: ffffc900026ffce8 R08: 0000000000000006 R09: ffff888113f33c80
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888113de8000
R13: ffff88811015e378 R14: 0000000000000004 R15: 0000000000000009
FS:  00007fecd21cf6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09451fb000 CR3: 0000000113d48000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_fill_super+0x2ad4/0x3a10 fs/ext4/super.c:5060
 mount_bdev+0x187/0x1c0 fs/super.c:1429
 ext4_mount+0x10/0x20 fs/ext4/super.c:6626
 legacy_get_tree+0x26/0x50 fs/fs_context.c:593
 vfs_get_tree+0x1f/0xb0 fs/super.c:1559
 do_new_mount fs/namespace.c:2910 [inline]
 path_mount+0x2f8/0xb70 fs/namespace.c:3240
 do_mount fs/namespace.c:3253 [inline]
 __do_sys_mount fs/namespace.c:3461 [inline]
 __se_sys_mount fs/namespace.c:3438 [inline]
 __x64_sys_mount+0x103/0x140 fs/namespace.c:3438
 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fecd264e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fecd21ceee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fecd21cef80 RCX: 00007fecd264e1ea
RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fecd21cef40
RBP: 00000000200005c0 R08: 00007fecd21cef80 R09: 0000000000200810
R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
R13: 00007fecd21cef40 R14: 00000000000004da R15: 0000000020001400
Modules linked in:
---[ end trace 98ec1542ffa9375e ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6400 [inline]
RIP: 0010:ext4_enable_quotas+0x276/0x2c0 fs/ext4/super.c:6447
Code: f0 97 f1 ff 85 db 0f 84 22 ff ff ff 31 db 48 63 c3 49 8b bc c4 80 01 00 00 48 85 ff 75 c7 89 de 4c 89 e7 e8 3c b8 f7 ff eb da <0f> 0b 41 52 31 c9 ba 0d 19 00 00 49 c7 c1 90 50 a2 82 56 45 31 c0
RSP: 0018:ffffc900026ffc70 EFLAGS: 00010246
RAX: ffff88811485c400 RBX: 0000000000000001 RCX: 0000000000000004
RDX: 0000000000000001 RSI: ffff88811015e400 RDI: 0000000000000000
RBP: ffffc900026ffce8 R08: 0000000000000006 R09: ffff888113f33c80
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888113de8000
R13: ffff88811015e378 R14: 0000000000000004 R15: 0000000000000009
FS:  00007fecd21cf6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09451fb000 CR3: 0000000113d48000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400