ci2 starts bisection 2024-01-31 16:54:52.164907249 +0000 UTC m=+30505.773850630 bisecting fixing commit since ea586874d2f9e501ef84b7e55036fc8965397d5d building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784 ensuring issue is reproducible on original commit ea586874d2f9e501ef84b7e55036fc8965397d5d testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d40c87d82eb914c0fb7a637cb7092e40f803eec0bdb854e569b966d27104e70 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70bfaddeead1c9745497751ba6930a4bee3d529eedc53bce2838c2dede98294e 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=4920 full=6163 leaves diff=241 split chunks (needed=false): <241> split chunk #0 of len 241 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c803a342b56bf8cce1fa6e785ad7c5f2de3fb7303ac637093ecaa751484bf1a8 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f5cf081400223d6b47047dff09e9e52cd597648e2ac72bbaa259f39a6c569c69 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 ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f83ab5cd949897d571176cf49c1be50e85b37c557a5ea80e72d133e1ec39c941 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7beed10ebcb3a7a686e53cd4e3fc05f91c310bf09f347d98531b877261b7e878 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building ea586874d2f9e501ef84b7e55036fc8965397d5d: net/socket.c:1172: undefined reference to `wext_handle_ioctl' net/socket.c:3366: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:343: undefined reference to `wext_proc_exit' net/core/net-procfs.c:327: 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 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b testing commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a20d4f33a474b59393b3c37ecf5450447b90de23be5fe4d3b64958c9e0ffe59f 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: 1h14m1.691661742s (build: 18m14.237180184s, test: 54m0.822875261s) crash still not fixed or there were kernel test errors commit msg: Revert "ipv6: remove max_size check inline with ipv4" crash: kernel BUG in ext4_enable_quotas loop2: detected capacity change from 0 to 512 ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6355! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 3734 Comm: syz-executor.2 Not tainted 5.15.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6355 [inline] RIP: 0010:ext4_enable_quotas+0x279/0x2d0 fs/ext4/super.c:6402 Code: ed 83 f1 ff 85 db 0f 84 1f 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 99 a4 f7 ff eb da <0f> 0b 41 52 45 31 c9 45 31 c0 31 c9 56 ba e0 18 00 00 48 c7 c6 80 RSP: 0018:ffffc90003eebc68 EFLAGS: 00010246 RAX: ffff8881152dc400 RBX: 0000000000000001 RCX: 0000000000000004 RDX: 0000000000000001 RSI: ffff88810ac80740 RDI: 0000000000000000 RBP: ffffc90003eebce0 R08: 0000000000000006 R09: ffff888114fea840 R10: 0000000000000001 R11: 0000000000000005 R12: ffff888114fb5000 R13: ffff88810ac806b8 R14: 0000000000000004 R15: 0000000000000009 FS: 00007fc8db6136c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa394b74f28 CR3: 0000000115829000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_fill_super+0x291b/0x3700 fs/ext4/super.c:4950 mount_bdev+0x187/0x1c0 fs/super.c:1387 ext4_mount+0x10/0x20 fs/ext4/super.c:6581 legacy_get_tree+0x26/0x50 fs/fs_context.c:611 vfs_get_tree+0x1f/0xb0 fs/super.c:1517 do_new_mount fs/namespace.c:2994 [inline] path_mount+0x2ff/0xb90 fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __x64_sys_mount+0x103/0x140 fs/namespace.c:3522 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fc8dba921ea 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:00007fc8db612ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc8db612f80 RCX: 00007fc8dba921ea RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fc8db612f40 RBP: 00000000200005c0 R08: 00007fc8db612f80 R09: 0000000000200810 R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 R13: 00007fc8db612f40 R14: 00000000000004da R15: 0000000020001400 Modules linked in: ---[ end trace 7153f73703e614a3 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6355 [inline] RIP: 0010:ext4_enable_quotas+0x279/0x2d0 fs/ext4/super.c:6402 Code: ed 83 f1 ff 85 db 0f 84 1f 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 99 a4 f7 ff eb da <0f> 0b 41 52 45 31 c9 45 31 c0 31 c9 56 ba e0 18 00 00 48 c7 c6 80 RSP: 0018:ffffc90003eebc68 EFLAGS: 00010246 RAX: ffff8881152dc400 RBX: 0000000000000001 RCX: 0000000000000004 RDX: 0000000000000001 RSI: ffff88810ac80740 RDI: 0000000000000000 RBP: ffffc90003eebce0 R08: 0000000000000006 R09: ffff888114fea840 R10: 0000000000000001 R11: 0000000000000005 R12: ffff888114fb5000 R13: ffff88810ac806b8 R14: 0000000000000004 R15: 0000000000000009 FS: 00007fc8db6136c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 0000000115829000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400