ci2 starts bisection 2026-08-08 20:01:47.27516543 +0000 UTC m=+57906.527770505 bisecting fixing commit since 8d23314f588a573519ab88c332e94c927f870810 building syzkaller on 9314348adf7605682d49192fa6487aac93f5782b ensuring issue is reproducible on original commit 8d23314f588a573519ab88c332e94c927f870810 testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 0eade7682b8e2ddc891eb3e9f8b3c7a89b532bab0433597252ca945c938ab76b all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] check whether we can drop unnecessary instrumentation disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: c72e67331f5fca461ac62b3e3dc2d5105696c29b6b604850a90390a3d9cff928 all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed kconfig minimization: base=4788 full=6020 leaves diff=245 split chunks (needed=false): <245> split chunk #0 of len 245 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 5905ca41fe2f68f1106bc6b24fe3a8bd711764d02242c4b4b2863aef7d716f75 all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 5c066e12cdd97ca9d8251f1647fe5f69b4e42498b2901a724183f784958dff87 all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 4e28031785e528be44e19c08380935b4a2f8011cc60bcbb39a30c37a6abb8683 all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 3d2b4a5196479d3115c380907ad115111903fd7b8d4cf5e706b9a4d48a6c544d all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit 8d23314f588a573519ab88c332e94c927f870810 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 failed building 8d23314f588a573519ab88c332e94c927f870810: net/socket.c:1128:(.text+0x1307): undefined reference to `wext_handle_ioctl' net/socket.c:3397:(.text+0x17c7): undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346:(.text+0x33b): undefined reference to `wext_proc_exit' net/core/net-procfs.c:330:(.text+0x4e2): undefined reference to `wext_proc_init' minimized to 49 configs; suspects: [HID_ZEROPLUS 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 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 USB_XHCI_PCI_RENESAS 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 [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing current HEAD 447db0046f21df411c817f9f05b9f6210adb9d81 testing commit 447db0046f21df411c817f9f05b9f6210adb9d81 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: ed5e507e77ab715f4bc1ed94e305131ecb6f4d319f648e16ab0bb6aad9b257c0 all runs: crashed: KASAN: vmalloc-out-of-bounds Read in load_module representative crash: KASAN: vmalloc-out-of-bounds Read in load_module, types: [KASAN-READ] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h45m6.129040106s (build: 31m53.872480076s, test: 51m30.350374041s) crash still not fixed or there were kernel test errors commit msg: Merge 39ca700c8ac0 ("crypto: af_alg - Remove zero-copy support from skcipher and aead") into android13-5.10-lts crash: KASAN: vmalloc-out-of-bounds Read in load_module ================================================================== BUG: KASAN: vmalloc-out-of-bounds in elf_validity_check kernel/module.c:3073 [inline] BUG: KASAN: vmalloc-out-of-bounds in load_module+0x93be/0xa5c0 kernel/module.c:4008 Read of size 1 at addr ffffc9000010cfff by task syz.0.15/489 CPU: 1 PID: 489 Comm: syz.0.15 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x81/0xac lib/dump_stack.c:118 print_address_description.constprop.0+0x24/0x160 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report.cold+0x82/0xdb mm/kasan/report.c:452 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306 elf_validity_check kernel/module.c:3073 [inline] load_module+0x93be/0xa5c0 kernel/module.c:4008 __do_sys_init_module+0x1fb/0x230 kernel/module.c:4226 __se_sys_init_module kernel/module.c:4209 [inline] __x64_sys_init_module+0x6e/0xb0 kernel/module.c:4209 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4221ef7b69 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f422196f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000af RAX: ffffffffffffffda RBX: 00007f42220c5f80 RCX: 00007f4221ef7b69 RDX: 0000000000000000 RSI: 0000000000000578 RDI: 0000000020000040 RBP: 00007f4221f7b1c6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f42220c5f80 R15: 00007ffd19a12ea8 Memory state around the buggy address: ffffc9000010ce80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc9000010cf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc9000010cf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc9000010d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000010d080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== BUG: unable to handle page fault for address: ffffc9000010cfff #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 100000067 P4D 100000067 PUD 100112067 PMD 100113067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 489 Comm: syz.0.15 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:elf_validity_check kernel/module.c:3073 [inline] RIP: 0010:load_module+0x376/0xa5c0 kernel/module.c:4008 Code: 00 00 00 00 fc ff df 4f 8d 64 0d ff 4c 89 e6 48 c1 ee 03 0f b6 04 06 4c 89 e6 83 e6 07 40 38 f0 7f 08 84 c0 0f 85 24 90 00 00 <41> 80 3c 24 00 0f 85 e8 01 00 00 48 8d 7b 04 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000a2fa00 EFLAGS: 00010286 RAX: 0000000000000001 RBX: ffffc9000010d3c2 RCX: 0000000000000578 RDX: ffffc9000010d000 RSI: 0000000000000004 RDI: ffffffff856c49e0 RBP: ffffc90000a2fda8 R08: ffffc9000010d03c R09: 0000000000000000 R10: fffffbfff0ad893c R11: 0000000000000001 R12: ffffc9000010cfff R13: ffffc9000010d000 R14: 0000000000000000 R15: 0000000000000578 FS: 00007f422196f6c0(0000) GS:ffff8881f7400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000010cfff CR3: 000000010f15a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __do_sys_init_module+0x1fb/0x230 kernel/module.c:4226 __se_sys_init_module kernel/module.c:4209 [inline] __x64_sys_init_module+0x6e/0xb0 kernel/module.c:4209 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4221ef7b69 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f422196f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000af RAX: ffffffffffffffda RBX: 00007f42220c5f80 RCX: 00007f4221ef7b69 RDX: 0000000000000000 RSI: 0000000000000578 RDI: 0000000020000040 RBP: 00007f4221f7b1c6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f42220c5f80 R15: 00007ffd19a12ea8 Modules linked in: CR2: ffffc9000010cfff ---[ end trace 2c34ab4de233aff0 ]--- RIP: 0010:elf_validity_check kernel/module.c:3073 [inline] RIP: 0010:load_module+0x376/0xa5c0 kernel/module.c:4008 Code: 00 00 00 00 fc ff df 4f 8d 64 0d ff 4c 89 e6 48 c1 ee 03 0f b6 04 06 4c 89 e6 83 e6 07 40 38 f0 7f 08 84 c0 0f 85 24 90 00 00 <41> 80 3c 24 00 0f 85 e8 01 00 00 48 8d 7b 04 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000a2fa00 EFLAGS: 00010286 RAX: 0000000000000001 RBX: ffffc9000010d3c2 RCX: 0000000000000578 RDX: ffffc9000010d000 RSI: 0000000000000004 RDI: ffffffff856c49e0 RBP: ffffc90000a2fda8 R08: ffffc9000010d03c R09: 0000000000000000 R10: fffffbfff0ad893c R11: 0000000000000001 R12: ffffc9000010cfff R13: ffffc9000010d000 R14: 0000000000000000 R15: 0000000000000578 FS: 00007f422196f6c0(0000) GS:ffff8881f7400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000010cfff CR3: 000000010f15a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: fc cld 5: ff lcall (bad) 6: df 4f 8d fisttps -0x73(%rdi) 9: 64 0d ff 4c 89 e6 fs or $0xe6894cff,%eax f: 48 c1 ee 03 shr $0x3,%rsi 13: 0f b6 04 06 movzbl (%rsi,%rax,1),%eax 17: 4c 89 e6 mov %r12,%rsi 1a: 83 e6 07 and $0x7,%esi 1d: 40 38 f0 cmp %sil,%al 20: 7f 08 jg 0x2a 22: 84 c0 test %al,%al 24: 0f 85 24 90 00 00 jne 0x904e * 2a: 41 80 3c 24 00 cmpb $0x0,(%r12) <-- trapping instruction 2f: 0f 85 e8 01 00 00 jne 0x21d 35: 48 8d 7b 04 lea 0x4(%rbx),%rdi 39: 48 rex.W 3a: b8 00 00 00 00 mov $0x0,%eax