ci2 starts bisection 2024-05-20 17:50:32.977825187 +0000 UTC m=+237005.513873734 bisecting fixing commit since 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 building syzkaller on 239abf840427841c91a546737fdcb9a1ed18bd39 ensuring issue is reproducible on original commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 124cf1f18d0134ade5d6d95e92b6454a48927f66ed21199318cf0b1e6b867f8b all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 96fa4a500670ce25ac2d30d00785355492a7d1bdaa1e367e7e2dab1f9961cc0d all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=5179 full=6491 leaves diff=255 split chunks (needed=false): <255> split chunk #0 of len 255 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a6a82edfb1a774a0e28a7dc968eb99d30de8033588d70b7fb5ba084b4aa172d all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a8cce1c3a1134ca5f43d9f84f4c9d0e8b068269ec94a2a8e0c2eea48c06ac01b all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 53d40602587633478d3ac1bf8d3f983a243c463c6fe471fe9097fdfad5737203 all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, 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 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ebbfa6bb0f7d3be8b10df48074d1cf38d926e591f926e2000df5e58c08db95bf all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 899194d7e9095594e35bb0097dc0e3e2c7d8a0e6: net/socket.c:1242: undefined reference to `wext_handle_ioctl' net/socket.c:3437: 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 51 configs; suspects: [HID_ZEROPLUS 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 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 KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 34a15d350726c5770943d8288bf0c5e2d8859e94 testing commit 34a15d350726c5770943d8288bf0c5e2d8859e94 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8cae198ce8e34eb1eca1101829080f153f6121c910845a4c2a14c6d07aee24d all runs: crashed: kernel BUG in mmap_region representative crash: kernel BUG in mmap_region, types: [BUG] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 39m49.913632548s (build: 17m28.811943271s, test: 19m50.018804106s) crash still not fixed or there were kernel test errors commit msg: UPSTREAM: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs crash: kernel BUG in mmap_region 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:00007f80bb4830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f80ba7abf80 RCX: 00007f80ba67cda9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020ffd000 RBP: 00007f80bb483120 R08: 0000000000000003 R09: 0000000008000000 R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f80ba7abf80 R15: 00007ffee6cfff38 ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2833! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 354 Comm: syz-executor.0 Not tainted 6.1.75-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:mmap_region+0xc1b/0xc70 mm/mmap.c:2833 Code: 4c 8b ad 20 ff ff ff e9 cb fc ff ff 49 8b 46 20 48 89 85 48 ff ff ff 4c 8b ad 20 ff ff ff e9 d1 fb ff ff e8 b7 6c c1 00 0f 0b <0f> 0b 65 8b 05 5c 4c c8 7e 89 c0 48 0f a3 05 9a 25 e6 01 0f 83 73 RSP: 0018:ffffc900007afcb0 EFLAGS: 00010212 RAX: ffff888116afbe10 RBX: ffff88810b39b501 RCX: 0000000000000001 RDX: ffff88810ceab708 RSI: ffff88810ceab700 RDI: ffff8881008c7600 RBP: ffffc900007afdb8 R08: ffffffffffffff00 R09: 0000000000000002 R10: ffff88810ceab708 R11: 0000000000000000 R12: 0000000020ffefff R13: 0000000020fff000 R14: ffff888116afbe10 R15: 0000000020ffd000 FS: 00007f80bb4836c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffee6d00378 CR3: 00000001125ab000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mmap+0x37a/0x4d0 mm/mmap.c:1475 vm_mmap_pgoff+0x148/0x1e0 mm/util.c:525 ksys_mmap_pgoff+0x72/0xe0 mm/mmap.c:1521 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __x64_sys_mmap+0x37/0x40 arch/x86/kernel/sys_x86_64.c:86 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: 0033:0x7f80ba67cda9 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:00007f80bb4830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f80ba7abf80 RCX: 00007f80ba67cda9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020ffd000 RBP: 00007f80bb483120 R08: 0000000000000003 R09: 0000000008000000 R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f80ba7abf80 R15: 00007ffee6cfff38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:mmap_region+0xc1b/0xc70 mm/mmap.c:2833 Code: 4c 8b ad 20 ff ff ff e9 cb fc ff ff 49 8b 46 20 48 89 85 48 ff ff ff 4c 8b ad 20 ff ff ff e9 d1 fb ff ff e8 b7 6c c1 00 0f 0b <0f> 0b 65 8b 05 5c 4c c8 7e 89 c0 48 0f a3 05 9a 25 e6 01 0f 83 73 RSP: 0018:ffffc900007afcb0 EFLAGS: 00010212 RAX: ffff888116afbe10 RBX: ffff88810b39b501 RCX: 0000000000000001 RDX: ffff88810ceab708 RSI: ffff88810ceab700 RDI: ffff8881008c7600 RBP: ffffc900007afdb8 R08: ffffffffffffff00 R09: 0000000000000002 R10: ffff88810ceab708 R11: 0000000000000000 R12: 0000000020ffefff R13: 0000000020fff000 R14: ffff888116afbe10 R15: 0000000020ffd000 FS: 00007f80bb4836c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffee6d00378 CR3: 00000001125ab000 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