ci2 starts bisection 2024-05-24 22:41:13.523541071 +0000 UTC m=+18282.384508996 bisecting fixing commit since c2611a04b92f0e6a38f718c50605300a325b7c7b building syzkaller on d216d8a03b50bef82eac746d227230835f061640 ensuring issue is reproducible on original commit c2611a04b92f0e6a38f718c50605300a325b7c7b testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f3f55df029f4ce8939555045b5acb2fda79e531ac82ef5d823d22225a65f574 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 c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f9781e7964fc678ba8332ffef740481dfbaa12f0cd73f4790775831c045ad5cf 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed kconfig minimization: base=5179 full=6487 leaves diff=250 split chunks (needed=false): <250> split chunk #0 of len 250 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 c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14b0cdc9093c2329c6bcbdc1fadaf155c5ac76221360e57de0c22a51a780145d 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 c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 47c838e24aeed229191b1c45af5e498ab976f7e730ac291dd92e9afcafcf3eae 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0fe58480fe37e1d56975f6f2693d2f433b8a7e8e9ebb99d202ad285a47bc8ac6 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63a9e9e30f03a8ab11d42a2a81bcf0391d3410050e4d4ca38d7f914630012421 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit c2611a04b92f0e6a38f718c50605300a325b7c7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building c2611a04b92f0e6a38f718c50605300a325b7c7b: net/socket.c:1225: undefined reference to `wext_handle_ioctl' net/socket.c:3420: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 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_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_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF] disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 68c821783c7688df37f4ac7bb39f3fb606b827c0 testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f53360707d1ea82af16f305e43b5adb7d2401e00772c050c9c3a41d9cac0bccb 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: 58m5.067270799s (build: 16m50.451692904s, test: 38m59.598929337s) crash still not fixed or there were kernel test errors commit msg: UPSTREAM: epoll: be better about file lifetimes crash: kernel BUG in ext4_enable_quotas ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6932! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 0 PID: 447 Comm: syz-executor.0 Not tainted 6.1.75-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6932 [inline] RIP: 0010:ext4_enable_quotas+0x2a1/0x2b0 fs/ext4/super.c:6979 Code: e7 e8 c3 10 f1 ff eb c4 65 48 8b 04 25 28 00 00 00 48 3b 44 24 60 75 16 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 0f 0b e8 d6 e5 a9 00 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 RSP: 0018:ffffc90000a87c00 EFLAGS: 00010246 RAX: ffff888111072400 RBX: ffff88811731d800 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810c3f6170 RDI: ffff88810c3f6258 RBP: ffffc90000a87ca0 R08: 0000000000000006 R09: 0000000000000000 R10: ffffea00045bfe80 R11: 00000000ffffffff R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fe9f8e566c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3a5d28f28 CR3: 000000011107a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5505 [inline] ext4_fill_super+0x1e5e/0x2190 fs/ext4/super.c:5651 get_tree_bdev+0x1b7/0x230 fs/super.c:1357 ext4_get_tree+0x10/0x20 fs/ext4/super.c:5681 vfs_get_tree+0x20/0xb0 fs/super.c:1564 do_new_mount+0x149/0x390 fs/namespace.c:3051 path_mount+0x324/0x520 fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount+0x143/0x1b0 fs/namespace.c:3579 __x64_sys_mount+0x20/0x30 fs/namespace.c:3579 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe9f807e1ea 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:00007fe9f8e55ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe9f8e55f80 RCX: 00007fe9f807e1ea RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fe9f8e55f40 RBP: 00000000200005c0 R08: 00007fe9f8e55f80 R09: 0000000000200810 R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 R13: 00007fe9f8e55f40 R14: 00000000000004da R15: 0000000020001400 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6932 [inline] RIP: 0010:ext4_enable_quotas+0x2a1/0x2b0 fs/ext4/super.c:6979 Code: e7 e8 c3 10 f1 ff eb c4 65 48 8b 04 25 28 00 00 00 48 3b 44 24 60 75 16 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 0f 0b e8 d6 e5 a9 00 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 RSP: 0018:ffffc90000a87c00 EFLAGS: 00010246 RAX: ffff888111072400 RBX: ffff88811731d800 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810c3f6170 RDI: ffff88810c3f6258 RBP: ffffc90000a87ca0 R08: 0000000000000006 R09: 0000000000000000 R10: ffffea00045bfe80 R11: 00000000ffffffff R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fe9f8e566c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555564d1818 CR3: 000000011107a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400