ci2 starts bisection 2025-02-27 23:23:22.475548411 +0000 UTC m=+96868.786448678 bisecting fixing commit since e5e5644ea27f86a29c84df744a01ea7de65ef800 building syzkaller on f00eed24f2a1332b07fef1a353a439133978d97b ensuring issue is reproducible on original commit e5e5644ea27f86a29c84df744a01ea7de65ef800 testing commit e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2dc26f60b1ee17136136f5b00f836b53d2fd79b6854b02880c2d100a62101626 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7d069a4bac13635bc18e113571dd2de6d79eb366ca0352d3eb6f54291346e19 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, 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=4789 full=6020 leaves diff=243 split chunks (needed=false): <243> split chunk #0 of len 243 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dea3d6990406889c007ef77b2966d475cd19dab5afd55099b8cede82b99d4b36 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, 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 e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d990597fa3dc81a0db1987eccee2ccea56cc92cdbbb60b9c1725d148086d092d all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e012c45461f47a13c583db4b32e3a0e2ede1cd7448cfcc126c3c93eec296d044 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, 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 e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae8b03f1bed0c3e12c8c1897630d54a57c0e81b27bb56ae9b47de31e81c6d720 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, 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 e5e5644ea27f86a29c84df744a01ea7de65ef800 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building e5e5644ea27f86a29c84df744a01ea7de65ef800: 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 47 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 USB_XHCI_PCI_RENESAS 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 3f5f2283d6843bde6658e93fc50f5f00e5bd3595 testing commit 3f5f2283d6843bde6658e93fc50f5f00e5bd3595 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b120aa504384c627d5b95883ee3494dea181850eb3a3fc26218d31adc06ada0 all runs: crashed: kernel BUG in ext4_mb_release_inode_pa representative crash: kernel BUG in ext4_mb_release_inode_pa, types: [BUG] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h4m36.443126061s (build: 23m46.129592253s, test: 39m12.088981376s) crash still not fixed or there were kernel test errors commit msg: Merge branch 'android13-5.10' into android13-5.10-lts crash: kernel BUG in ext4_mb_release_inode_pa EXT4-fs (loop4): pa ffff88810dd8e5b0: logic 0, phys. 193, len 32 EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4358: group 0, free 7, pa_free 16 ------------[ cut here ]------------ kernel BUG at fs/ext4/mballoc.c:4332! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 603 Comm: syz.4.46 Not tainted 5.10.234-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:ext4_mb_release_inode_pa.isra.0+0x29e/0x2b0 fs/ext4/mballoc.c:4332 Code: b0 e8 26 f5 02 00 48 83 c4 20 e9 be fe ff ff e8 7f ae bd ff eb 89 e8 78 ae bd ff e9 2d ff ff ff 0f 0b 85 db 0f 84 ef fd ff ff <0f> 0b e8 fb 19 96 00 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 RSP: 0018:ffffc90000b3f508 EFLAGS: 00010206 RAX: 00000000000000fa RBX: 0000000000000060 RCX: 0000000000000000 RDX: 00000000000000fa RSI: 0000000000a97b02 RDI: ffffc90000b3f528 RBP: ffffc90000b3f560 R08: ffffc90000b3f52c R09: 00000000000000ff R10: 00000000fffff000 R11: 3fffffffffffffff R12: ffff88810dd8ea90 R13: ffff88810df07138 R14: ffff88810df07138 R15: dead000000000100 FS: 00007f47d1bc46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200201ff CR3: 0000000119cb0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_discard_group_preallocations+0x31b/0x410 fs/ext4/mballoc.c:4478 ext4_mb_discard_preallocations fs/ext4/mballoc.c:5044 [inline] ext4_mb_discard_preallocations_should_retry fs/ext4/mballoc.c:5065 [inline] ext4_mb_new_blocks+0xe1c/0x1010 fs/ext4/mballoc.c:5268 ext4_alloc_branch fs/ext4/indirect.c:340 [inline] ext4_ind_map_blocks+0x62f/0xbd0 fs/ext4/indirect.c:633 ext4_map_blocks+0x24c/0x5a0 fs/ext4/inode.c:675 _ext4_get_block+0x8e/0x110 fs/ext4/inode.c:816 ext4_get_block+0x11/0x20 fs/ext4/inode.c:833 ext4_block_write_begin+0x178/0x510 fs/ext4/inode.c:1100 ext4_write_begin+0x1f5/0x6d0 fs/ext4/inode.c:1242 ext4_da_write_begin+0x234/0x580 fs/ext4/inode.c:3032 generic_perform_write+0xbe/0x1b0 mm/filemap.c:3509 ext4_buffered_write_iter+0x9f/0x150 fs/ext4/file.c:271 ext4_file_write_iter+0x5b/0x840 fs/ext4/file.c:685 call_write_iter include/linux/fs.h:2058 [inline] new_sync_write+0x105/0x190 fs/read_write.c:518 vfs_write+0x1fb/0x290 fs/read_write.c:605 ksys_write+0x62/0xe0 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x15/0x20 fs/read_write.c:667 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f47d2143719 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:00007f47d1bc4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f47d22faf80 RCX: 00007f47d2143719 RDX: 0000000000043451 RSI: 0000000020000200 RDI: 0000000000000007 RBP: 00007f47d21b632e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f47d22faf80 R15: 00007ffe5f34d358 Modules linked in: ---[ end trace 65281fd097a3ab7a ]--- RIP: 0010:ext4_mb_release_inode_pa.isra.0+0x29e/0x2b0 fs/ext4/mballoc.c:4332 Code: b0 e8 26 f5 02 00 48 83 c4 20 e9 be fe ff ff e8 7f ae bd ff eb 89 e8 78 ae bd ff e9 2d ff ff ff 0f 0b 85 db 0f 84 ef fd ff ff <0f> 0b e8 fb 19 96 00 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 RSP: 0018:ffffc90000b3f508 EFLAGS: 00010206 RAX: 00000000000000fa RBX: 0000000000000060 RCX: 0000000000000000 RDX: 00000000000000fa RSI: 0000000000a97b02 RDI: ffffc90000b3f528 RBP: ffffc90000b3f560 R08: ffffc90000b3f52c R09: 00000000000000ff R10: 00000000fffff000 R11: 3fffffffffffffff R12: ffff88810dd8ea90 R13: ffff88810df07138 R14: ffff88810df07138 R15: dead000000000100 FS: 00007f47d1bc46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200201ff CR3: 0000000119cb0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400