ci2 starts bisection 2024-04-18 16:03:56.900152739 +0000 UTC m=+30960.389091338
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: a397b8aff66321ef40b325a850c383d8414d75d08cd789eef08b1a925bd2e403
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 [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
kernel signature: c4014827c9539d64669246eaa34054ad05a72a241e4f7796e609059415ba8bf0
all runs: 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], 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: 72d9c6e61fcd67dcb82845a10a38291852f351e7250d57a41107234aaa1de32c
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 [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
kernel signature: 42352be5cb0afa5d3bb0d125757db7ce0a49dad6ab1167c7f426e8853b4c7e08
run #0: crashed: kernel BUG in ext4_enable_quotas
run #1: crashed: kernel BUG in ext4_enable_quotas
run #2: crashed: kernel BUG in ext4_enable_quotas
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: OK
run #9: 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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: 3988d417952ad74a2eb56348b66bf5156371b7f3c13d63ce20f4bb182b8da4c5
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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], 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: e5472f8b34f0033f8c5905e1b50610def174ba5b12b88ffcddf566b7ee2dd763
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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD d82f901b3eb55d60b6c1d559c71a5b3b2baadaa3
testing commit d82f901b3eb55d60b6c1d559c71a5b3b2baadaa3 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f9f20b1cb8b5f2ed57848199ef82347bfde2fe633014558094209432db35756e
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: 2h23m46.022519204s (build: 57m6.805589622s, test: 1h24m58.67957502s)
crash still not fixed or there were kernel test errors
commit msg: Merge 9de69732dde4 ("dmaengine: fix NULL pointer in channel unregistration function") into android13-5.10-lts
crash: kernel BUG in ext4_enable_quotas
------------[ cut here ]------------
kernel BUG at fs/ext4/super.c:6400!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 2354 Comm: syz-executor.1 Not tainted 5.10.209-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: 70 98 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 ac b9 f7 ff eb da <0f> 0b 41 52 31 c9 ba 0d 19 00 00 49 c7 c1 b0 45 a2 82 56 45 31 c0
RSP: 0018:ffffc900038bbc70 EFLAGS: 00010246
RAX: ffff88811430c400 RBX: 0000000000000001 RCX: 0000000000000004
RDX: 0000000000000001 RSI: ffff88811114b880 RDI: 0000000000000000
RBP: ffffc900038bbce8 R08: 0000000000000006 R09: ffff8881143b8c00
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888113eb4000
R13: ffff88811114b7f8 R14: 0000000000000004 R15: 0000000000000009
FS:  00007f6797a506c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a28d4c000 CR3: 00000001143dc000 CR4: 00000000003506a0
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: 0033:0x7f6797ecf1ea
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:00007f6797a4fee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6797a4ff80 RCX: 00007f6797ecf1ea
RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007f6797a4ff40
RBP: 00000000200005c0 R08: 00007f6797a4ff80 R09: 0000000000200810
R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
R13: 00007f6797a4ff40 R14: 00000000000004da R15: 0000000020001400
Modules linked in:
---[ end trace cdf95be5b0dbabc9 ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6400 [inline]
RIP: 0010:ext4_enable_quotas+0x276/0x2c0 fs/ext4/super.c:6447
Code: 70 98 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 ac b9 f7 ff eb da <0f> 0b 41 52 31 c9 ba 0d 19 00 00 49 c7 c1 b0 45 a2 82 56 45 31 c0
RSP: 0018:ffffc900038bbc70 EFLAGS: 00010246
RAX: ffff88811430c400 RBX: 0000000000000001 RCX: 0000000000000004
RDX: 0000000000000001 RSI: ffff88811114b880 RDI: 0000000000000000
RBP: ffffc900038bbce8 R08: 0000000000000006 R09: ffff8881143b8c00
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888113eb4000
R13: ffff88811114b7f8 R14: 0000000000000004 R15: 0000000000000009
FS:  00007f6797a506c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000001 CR3: 00000001143dc000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400