ci2 starts bisection 2023-10-29 06:38:19.429599948 +0000 UTC m=+146955.105218573 bisecting fixing commit since 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 building syzkaller on babc43895723dd9cfadab49eeb039b9e06b89af7 ensuring issue is reproducible on original commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ab1654f575d0abd12987e90fb31a2b060b9d6f6bad874985e3760b4a19e2aba all runs: crashed: general protection fault in __device_attach representative crash: general protection fault in __device_attach, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a7dd27de88066fe63e8e9da1598c22d26c9203865d33482458decc311a7bfef all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=5179 full=6520 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3d40b0a8c40d21147ab84fcbd36b0fe7a8578ef040622f98e99278f74cfa82d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c009dcd095a0922f273328bb3017d75bff21a76d57553a10bc2253f48bfc804 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 812583d17a0666bb956e67042eeee3b217e38ec689eddcb6c12aa15c78a56289 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5fb06d5331e813c82508dd271be109b9b87c214d9c4d118c236502f05f468fc8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 78fe8913d1b260e0ab179fa50be7bf4d7fd937f1: 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 5418491fa533316d91f14193f7cde2845982ebe2 testing commit 5418491fa533316d91f14193f7cde2845982ebe2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 350de0bfca31e548630a0cb76ad683612583f6e877c8b034ab915c2ca48282df all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __device_attach representative crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 40m14.395301907s (build: 17m45.567386055s, test: 19m41.506617721s) crash still not fixed or there were kernel test errors commit msg: ANDROID: Update the ABI symbol list crash: BUG: unable to handle kernel NULL pointer dereference in __device_attach Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d62eb40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8d6219bf80 RCX: 00007f8d6207c959 RDX: 0000000020000040 RSI: 0000000080045505 RDI: 0000000000000005 RBP: 00007f8d62eb4120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f8d6219bf80 R15: 00007ffec4a4f558 BUG: kernel NULL pointer dereference, address: 00000000000000d0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 116db4067 P4D 116db4067 PUD 116db8067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 410 Comm: syz-executor.3 Not tainted 6.1.43-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__device_attach+0x3a/0x1b0 drivers/base/dd.c:1012 Code: 18 41 89 f4 48 89 fb 65 48 8b 04 25 28 00 00 00 48 89 45 d0 4c 8d b7 a0 00 00 00 4c 89 f7 e8 4d ab 70 00 48 8b 7b 68 45 31 ff 87 d0 00 00 00 01 0f 85 2d 01 00 00 48 83 bb 88 00 00 00 00 74 RSP: 0018:ffffc90000927ca8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888115c01c30 RCX: ffff888108cd3800 RDX: 00000000ffff9b79 RSI: ffff8881166ab900 RDI: 0000000000000000 RBP: ffffc90000927ce8 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90000927df8 R11: 0000000000000000 R12: 0000000000000000 R13: 00000000fffffff0 R14: ffff888115c01cd0 R15: 0000000000000000 FS: 00007f8d62eb46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000d0 CR3: 000000010ce62000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_attach+0xb/0x10 drivers/base/dd.c:1079 proc_ioctl+0x166/0x200 drivers/usb/core/devio.c:2365 usbdev_ioctl+0x1560/0x1fc0 drivers/usb/core/devio.c:2816 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x72/0xc0 fs/ioctl.c:856 __x64_sys_ioctl+0x18/0x20 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8d6207c959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d62eb40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8d6219bf80 RCX: 00007f8d6207c959 RDX: 0000000020000080 RSI: 00000000c0105512 RDI: 0000000000000006 RBP: 00007f8d620d8c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8d6219bf80 R15: 00007ffec4a4f558 Modules linked in: CR2: 00000000000000d0 ---[ end trace 0000000000000000 ]--- RIP: 0010:__device_attach+0x3a/0x1b0 drivers/base/dd.c:1012 Code: 18 41 89 f4 48 89 fb 65 48 8b 04 25 28 00 00 00 48 89 45 d0 4c 8d b7 a0 00 00 00 4c 89 f7 e8 4d ab 70 00 48 8b 7b 68 45 31 ff 87 d0 00 00 00 01 0f 85 2d 01 00 00 48 83 bb 88 00 00 00 00 74 RSP: 0018:ffffc90000927ca8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888115c01c30 RCX: ffff888108cd3800 RDX: 00000000ffff9b79 RSI: ffff8881166ab900 RDI: 0000000000000000 RBP: ffffc90000927ce8 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90000927df8 R11: 0000000000000000 R12: 0000000000000000 R13: 00000000fffffff0 R14: ffff888115c01cd0 R15: 0000000000000000 FS: 00007f8d62eb46c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000d0 CR3: 000000010ce62000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W