ci2 starts bisection 2024-03-06 12:23:05.611522304 +0000 UTC m=+80526.689309815 bisecting fixing commit since d30b996835c08018a70dd52c588ba15de1c8378b building syzkaller on 8321139737ed27c82617231b782e88dd1e818227 ensuring issue is reproducible on original commit d30b996835c08018a70dd52c588ba15de1c8378b testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77ee7de7b00d103819add02fa1deb543753ce8986ffeddf29394e0f2904de8cc all runs: crashed: general protection fault in fuse_atomic_open representative crash: general protection fault in fuse_atomic_open, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 395e7a1a4b862f4012e7e87a98d48ba51d4eadb09b0d9136ba1785e4e0b24880 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4789 full=6022 leaves diff=238 split chunks (needed=false): <238> split chunk #0 of len 238 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41011aa7f3cf3f1ea75b8c7c939b98b6b114cd7e6fdc1fb1b38d87cfe1f014d5 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, 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 d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0d527510cea63c31329487bceebf5ddb0ec61b39909f131575d43cc8b17e7221 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d7c26feb3a967aeb36669e26322251288dc2db32e061bd9c5d45f032e9a26ce8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 52c3e34bb7f908b5f19307bf8cfaf208b9bad1d68b48c3c5e258228470fb573a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit d30b996835c08018a70dd52c588ba15de1c8378b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building d30b996835c08018a70dd52c588ba15de1c8378b: net/socket.c:1126: undefined reference to `wext_handle_ioctl' net/socket.c:3395: 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 46 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 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD dd976ecce2ce969d698599c84c8e7dcbb07c9aaf testing commit dd976ecce2ce969d698599c84c8e7dcbb07c9aaf gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 659793349bf66ead81435c2b8426655de1d2579feb20272bda982b31cddc4d1b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 33m49.801511335s (build: 12m40.883943434s, test: 19m33.425038276s) crash still not fixed or there were kernel test errors commit msg: Merge "Merge branch 'android13-5.10' into branch 'android13-5.10-lts'" into android13-5.10-lts crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open BUG: kernel NULL pointer dereference, address: 0000000000000048 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10b544067 P4D 10b544067 PUD 1094ce067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 366 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:fuse_atomic_open+0x4e/0x130 fs/fuse/dir.c:849 Code: 00 48 85 db 74 03 48 8b 1b 49 8b 85 50 03 00 00 a8 08 0f 85 d7 00 00 00 45 31 ff 41 f7 04 24 00 00 00 10 75 6d f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 4c 89 fe 4c 89 f7 e8 4f 02 eb ff 48 83 c4 RSP: 0018:ffffc900005efc90 EFLAGS: 00010202 RAX: 0000000000000018 RBX: ffff888110191400 RCX: 0000000000008241 RDX: 000000000000a508 RSI: 0000000000000000 RDI: ffff888111073000 RBP: ffffc900005efcc0 R08: 0000000000008000 R09: ffff8881109e2b28 R10: ffff8881109ab4a0 R11: 0000000000000000 R12: 0000000000000018 R13: ffff888111073000 R14: ffff88810977fdc0 R15: 0000000000000018 FS: 00007fc45f5886c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000048 CR3: 00000001109d3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_open fs/namei.c:3120 [inline] lookup_open fs/namei.c:3225 [inline] open_last_lookups fs/namei.c:3323 [inline] path_openat+0x6d2/0x10d0 fs/namei.c:3512 do_filp_open+0x9d/0x140 fs/namei.c:3542 do_sys_openat2+0x9c/0x210 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_creat fs/open.c:1307 [inline] __se_sys_creat fs/open.c:1301 [inline] __x64_sys_creat+0x46/0x60 fs/open.c:1301 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fc45fa26ae9 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:00007fc45f5880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fc45fb46050 RCX: 00007fc45fa26ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fc45fa7247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fc45fb46050 R15: 00007fff48f01738 Modules linked in: CR2: 0000000000000048 ---[ end trace 8a6c75b4188798f5 ]--- RIP: 0010:fuse_atomic_open+0x4e/0x130 fs/fuse/dir.c:849 Code: 00 48 85 db 74 03 48 8b 1b 49 8b 85 50 03 00 00 a8 08 0f 85 d7 00 00 00 45 31 ff 41 f7 04 24 00 00 00 10 75 6d f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 4c 89 fe 4c 89 f7 e8 4f 02 eb ff 48 83 c4 RSP: 0018:ffffc900005efc90 EFLAGS: 00010202 RAX: 0000000000000018 RBX: ffff888110191400 RCX: 0000000000008241 RDX: 000000000000a508 RSI: 0000000000000000 RDI: ffff888111073000 RBP: ffffc900005efcc0 R08: 0000000000008000 R09: ffff8881109e2b28 R10: ffff8881109ab4a0 R11: 0000000000000000 R12: 0000000000000018 R13: ffff888111073000 R14: ffff88810977fdc0 R15: 0000000000000018 FS: 00007fc45f5886c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000048 CR3: 00000001109d3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 48 85 add %cl,-0x7b(%rax) 3: db 74 03 48 (bad) 0x48(%rbx,%rax,1) 7: 8b 1b mov (%rbx),%ebx 9: 49 8b 85 50 03 00 00 mov 0x350(%r13),%rax 10: a8 08 test $0x8,%al 12: 0f 85 d7 00 00 00 jne 0xef 18: 45 31 ff xor %r15d,%r15d 1b: 41 f7 04 24 00 00 00 testl $0x10000000,(%r12) 22: 10 23: 75 6d jne 0x92 25: f6 c1 40 test $0x40,%cl 28: 74 08 je 0x32 * 2a: 49 83 7c 24 30 00 cmpq $0x0,0x30(%r12) <-- trapping instruction 30: 74 1a je 0x4c 32: 4c 89 fe mov %r15,%rsi 35: 4c 89 f7 mov %r14,%rdi 38: e8 4f 02 eb ff call 0xffeb028c 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4