ci2 starts bisection 2023-11-18 06:23:22.405151581 +0000 UTC m=+389269.513182334 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: 429aa64f42e0b2ba5848c39960589c144a6722bf208267800fb4aa31ea79283c all runs: crashed: general protection fault in fuse_file_put representative crash: general protection fault in fuse_file_put, 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 ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6805bf6d5bc4ee609e66965737c5d292083a788122b3f9888b85ddc66d30db9e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], 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 BUG 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: 1a368c05d780dac07fe8abbf92b29060d08af6074c562feb02b9ddec39d29364 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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: 4c0362626d4771d0c92d7c8206b90d89db3a411b3a893cbf7cc6c61356724638 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG 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: 664e8d92d1fc27b20d9748fe517d48ff48d4947a95eaf667dc2d85a3b79ee38a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG 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: d2422d725cd52341b45570acb713554e4e6a109db08bd4033b2095e92492bd39 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, 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 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 61cfd264993d07540f60a5c53d77a14c818e54a9 testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 311f24061ddb47975fa3d37a09480e2294f4db80ebb9f5f121707ee817f9e4d9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 43m52.702811609s (build: 19m41.651664682s, test: 21m58.156846672s) crash still not fixed or there were kernel test errors commit msg: Revert "ipv4/fib: send notify when delete source address routes" crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put RSP: 002b:00007fb073d940c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb074373120 RCX: 00007fb074253ae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007fb073d94120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007fb074373120 R15: 00007ffe018d0328 BUG: kernel NULL pointer dereference, address: 0000000000000028 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 1017dd067 P4D 1017dd067 PUD 100fc5067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 358 Comm: syz-executor.0 Not tainted 5.15.137-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:940 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:950 [inline] RIP: 0010:fuse_file_put+0x72/0x670 fs/fuse/file.c:119 Code: 65 48 2b 04 25 28 00 00 00 0f 85 d9 05 00 00 48 81 c4 08 02 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 89 ff 49 89 f6 41 89 ca <48> 8b 47 28 b9 1c 00 00 00 48 c7 85 f8 fd ff ff 00 00 00 00 48 8d RSP: 0018:ffffc900003e3650 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810ed2d300 RDI: 0000000000000000 RBP: ffffc900003e3880 R08: ffff88810ed2d3a8 R09: ffffc900003e37d8 R10: 0000000000000000 R11: ffffffff82eb23e0 R12: ffff88810ed2d200 R13: 0000000000000000 R14: ffff88810ed2d300 R15: 0000000000000000 FS: 00007fb073d946c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000101791000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_sync_release+0x2d/0x40 fs/fuse/file.c:399 fuse_create_open+0xab9/0xb20 fs/fuse/dir.c:817 fuse_atomic_open+0xff/0x120 fs/fuse/dir.c:879 atomic_open fs/namei.c:3255 [inline] lookup_open fs/namei.c:3363 [inline] open_last_lookups fs/namei.c:3462 [inline] path_openat+0x7d7/0x1230 fs/namei.c:3669 do_filp_open+0xb1/0x150 fs/namei.c:3699 do_sys_openat2+0x9c/0x250 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x51/0x90 fs/open.c:1261 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: 0033:0x7fb074253ae9 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:00007fb073d940c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb074373120 RCX: 00007fb074253ae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007fb073d94120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007fb074373120 R15: 00007ffe018d0328 Modules linked in: CR2: 0000000000000028 ---[ end trace 3b8cd237ef8e3d27 ]--- RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:940 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:950 [inline] RIP: 0010:fuse_file_put+0x72/0x670 fs/fuse/file.c:119 Code: 65 48 2b 04 25 28 00 00 00 0f 85 d9 05 00 00 48 81 c4 08 02 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 89 ff 49 89 f6 41 89 ca <48> 8b 47 28 b9 1c 00 00 00 48 c7 85 f8 fd ff ff 00 00 00 00 48 8d RSP: 0018:ffffc900003e3650 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810ed2d300 RDI: 0000000000000000 RBP: ffffc900003e3880 R08: ffff88810ed2d3a8 R09: ffffc900003e37d8 R10: 0000000000000000 R11: ffffffff82eb23e0 R12: ffff88810ed2d200 R13: 0000000000000000 R14: ffff88810ed2d300 R15: 0000000000000000 FS: 00007fb073d946c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000101791000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 65 48 2b 04 25 28 00 sub %gs:0x28,%rax 7: 00 00 9: 0f 85 d9 05 00 00 jne 0x5e8 f: 48 81 c4 08 02 00 00 add $0x208,%rsp 16: 5b pop %rbx 17: 41 5c pop %r12 19: 41 5d pop %r13 1b: 41 5e pop %r14 1d: 41 5f pop %r15 1f: 5d pop %rbp 20: c3 ret 21: 49 89 ff mov %rdi,%r15 24: 49 89 f6 mov %rsi,%r14 27: 41 89 ca mov %ecx,%r10d * 2a: 48 8b 47 28 mov 0x28(%rdi),%rax <-- trapping instruction 2e: b9 1c 00 00 00 mov $0x1c,%ecx 33: 48 c7 85 f8 fd ff ff movq $0x0,-0x208(%rbp) 3a: 00 00 00 00 3e: 48 rex.W 3f: 8d .byte 0x8d