ci2 starts bisection 2025-06-21 19:46:10.207592674 +0000 UTC m=+64286.550959002 bisecting fixing commit since 5145d157731fcdde380e5da461c483b5080a8df5 building syzkaller on c6512ef73a66c56765fe73422ce54003ede8c0cd ensuring issue is reproducible on original commit 5145d157731fcdde380e5da461c483b5080a8df5 testing commit 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 827c9743a7ab60d8e156f2db06af35ad6f1f98dc67bfe26f609f2d5dd8e1e916 all runs: crashed: general protection fault in security_inode_getattr representative crash: general protection fault in security_inode_getattr, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 0eafb02731b6b7f2e0541544059276f324b481938df4a14b1ef51139c276c35d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, 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=5186 full=6549 leaves diff=266 split chunks (needed=false): <266> split chunk #0 of len 266 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 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f8de3873a879513a6db5853aaa79372b42ef80e59b1e6bcc0c02431d8bd2df3b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: c2d26f35d138356cb5a695d870f9a1bd5824ec3308eb27e3fe85d93dceb325f7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, 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 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 1d53dd706135c611116a04df324b983540f50811a4661a62e2436983c96702dc all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 59a57f4c5bed093960a85c99fda4a017380fc8a4aa9c87642250db47c8e1b88a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 5145d157731fcdde380e5da461c483b5080a8df5 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 failed building 5145d157731fcdde380e5da461c483b5080a8df5: ld.lld: error: undefined symbol: wext_proc_init ld.lld: error: undefined symbol: wext_proc_exit ld.lld: error: undefined symbol: wext_handle_ioctl ld.lld: error: undefined symbol: compat_wext_handle_ioctl minimized to 50 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_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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR 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 f6c21bc9a693a4b585757ce3a53e6a7d9402dfb2 testing commit f6c21bc9a693a4b585757ce3a53e6a7d9402dfb2 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e085cb7f6b555e1d5e2140f79e1a673a4f693326da29ca1d8812f99f09bdafdb all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr representative crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 2h34m41.808699312s (build: 1h45m31.349564685s, test: 40m51.908187497s) crash still not fixed or there were kernel test errors commit msg: ANDROID: GKI: net: add vendor hooks net qos for gki purpose crash: BUG: unable to handle kernel NULL pointer dereference in security_inode_getattr BUG: kernel NULL pointer dereference, address: 0000000000000030 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 109a92067 P4D 109a92067 PUD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 474 Comm: syz.2.16 Not tainted 6.1.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline] RIP: 0010:security_inode_getattr+0xd/0x60 security/security.c:1359 Code: 5c 41 5e 41 5f 5d c3 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 c4 e2 34 cd 55 48 89 e5 41 57 41 56 53 48 8b 47 08 <48> 8b 40 30 31 db f6 40 0d 02 75 30 49 89 fe 49 c7 c7 28 ba 06 83 RSP: 0018:ffffc9000091b838 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc9000091b910 RCX: 0000000000000000 RDX: 00000000000007ff RSI: ffffc9000091b910 RDI: ffffc9000091b900 RBP: ffffc9000091b850 R08: 0000000000040006 R09: ffffc9000091b900 R10: 0000000000000000 R11: ffffffff815c3f60 R12: ffffc9000091b900 R13: 00000000fffffffb R14: 0000000000000000 R15: 00000000000007ff FS: 00007fab1e3f36c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 000000010b8e0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_getattr+0x1e/0xd0 fs/stat.c:158 ovl_copy_up_one fs/overlayfs/copy_up.c:974 [inline] ovl_copy_up_flags+0x1b9/0xfe0 fs/overlayfs/copy_up.c:1060 ovl_maybe_copy_up+0x86/0xa0 fs/overlayfs/copy_up.c:1092 ovl_open+0x43/0xc0 fs/overlayfs/file.c:155 do_dentry_open+0x265/0x3f0 fs/open.c:884 vfs_open fs/open.c:1015 [inline] dentry_open+0x46/0x70 fs/open.c:1031 file_open+0xc2/0x230 fs/incfs/vfs.c:1501 do_dentry_open+0x265/0x3f0 fs/open.c:884 vfs_open+0x28/0x30 fs/open.c:1015 do_open fs/namei.c:3625 [inline] path_openat+0xa7f/0xc10 fs/namei.c:3782 do_filp_open+0xae/0x150 fs/namei.c:3809 do_sys_openat2+0x83/0x260 fs/open.c:1341 do_sys_open fs/open.c:1357 [inline] __do_sys_creat fs/open.c:1435 [inline] __se_sys_creat fs/open.c:1429 [inline] __x64_sys_creat+0x44/0x60 fs/open.c:1429 x64_sys_call+0x116/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:86 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fab1d58d169 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:00007fab1e3f3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fab1d7a5fa0 RCX: 00007fab1d58d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000100 RBP: 00007fab1d60e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fab1d7a5fa0 R15: 00007fff36a52e08 Modules linked in: CR2: 0000000000000030 ---[ end trace 0000000000000000 ]--- RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline] RIP: 0010:security_inode_getattr+0xd/0x60 security/security.c:1359 Code: 5c 41 5e 41 5f 5d c3 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 c4 e2 34 cd 55 48 89 e5 41 57 41 56 53 48 8b 47 08 <48> 8b 40 30 31 db f6 40 0d 02 75 30 49 89 fe 49 c7 c7 28 ba 06 83 RSP: 0018:ffffc9000091b838 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc9000091b910 RCX: 0000000000000000 RDX: 00000000000007ff RSI: ffffc9000091b910 RDI: ffffc9000091b900 RBP: ffffc9000091b850 R08: 0000000000040006 R09: ffffc9000091b900 R10: 0000000000000000 R11: ffffffff815c3f60 R12: ffffc9000091b900 R13: 00000000fffffffb R14: 0000000000000000 R15: 00000000000007ff FS: 00007fab1e3f36c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 000000010b8e0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 5c pop %rsp 1: 41 5e pop %r14 3: 41 5f pop %r15 5: 5d pop %rbp 6: c3 ret 7: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: b8 c4 e2 34 cd mov $0xcd34e2c4,%eax 1d: 55 push %rbp 1e: 48 89 e5 mov %rsp,%rbp 21: 41 57 push %r15 23: 41 56 push %r14 25: 53 push %rbx 26: 48 8b 47 08 mov 0x8(%rdi),%rax * 2a: 48 8b 40 30 mov 0x30(%rax),%rax <-- trapping instruction 2e: 31 db xor %ebx,%ebx 30: f6 40 0d 02 testb $0x2,0xd(%rax) 34: 75 30 jne 0x66 36: 49 89 fe mov %rdi,%r14 39: 49 c7 c7 28 ba 06 83 mov $0xffffffff8306ba28,%r15