./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1601692106 <...> Warning: Permanently added '10.128.0.242' (ED25519) to the list of known hosts. execve("./syz-executor1601692106", ["./syz-executor1601692106"], 0x7ffd3b80d960 /* 10 vars */) = 0 brk(NULL) = 0x55556900d000 brk(0x55556900dd00) = 0x55556900dd00 arch_prctl(ARCH_SET_FS, 0x55556900d380) = 0 set_tid_address(0x55556900d650) = 288 set_robust_list(0x55556900d660, 24) = 0 rseq(0x55556900dca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1601692106", 4096) = 28 getrandom("\x75\xbb\x3b\x9a\x28\x8f\x40\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556900dd00 brk(0x55556902ed00) = 0x55556902ed00 brk(0x55556902f000) = 0x55556902f000 mprotect(0x7f8ca8162000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program ) = 0x21000000 write(1, "executing program\n", 18) = 18 [ 22.077602][ T24] audit: type=1400 audit(1727444783.460:66): avc: denied { execmem } for pid=288 comm="syz-executor160" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.077741][ T288] ================================================================== [ 22.080376][ T24] audit: type=1400 audit(1727444783.460:67): avc: denied { sys_module } for pid=288 comm="syz-executor160" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 22.081458][ T288] BUG: KASAN: vmalloc-out-of-bounds in load_module+0x2a80/0x5aa0 [ 22.084954][ T24] audit: type=1400 audit(1727444783.460:68): avc: denied { module_load } for pid=288 comm="syz-executor160" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=system permissive=1 [ 22.085931][ T288] Read of size 1 at addr ffffc9000007afff by task syz-executor160/288 [ 22.085934][ T288] [ 22.085943][ T288] CPU: 1 PID: 288 Comm: syz-executor160 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0 [ 22.085948][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 22.085958][ T288] Call Trace: [ 22.085975][ T288] dump_stack_lvl+0x1e2/0x24b [ 22.085984][ T288] ? bfq_pos_tree_add_move+0x43b/0x43b [ 22.086001][ T288] ? panic+0x812/0x812 [ 22.095080][ T288] print_address_description+0x81/0x3b0 [ 22.095789][ T288] kasan_report+0x179/0x1c0 [ 22.096384][ T288] ? load_module+0x2a80/0x5aa0 [ 22.097088][ T288] ? load_module+0x2a80/0x5aa0 [ 22.097722][ T288] __asan_report_load1_noabort+0x14/0x20 [ 22.103009][ T288] load_module+0x2a80/0x5aa0 [ 22.107436][ T288] ? unmap_kernel_range_noflush+0x550/0x550 [ 22.113161][ T288] ? __kmalloc+0x1aa/0x330 [ 22.117414][ T288] ? is_vmalloc_or_module_addr+0xd/0x50 [ 22.122793][ T288] ? __kasan_unpoison_vmalloc+0x6a/0x90 [ 22.128177][ T288] ? cmp_name+0x60/0x60 [ 22.132169][ T288] ? security_kernel_post_load_data+0x8c/0xb0 [ 22.138072][ T288] __se_sys_init_module+0x238/0x2d0 [ 22.143103][ T288] ? __x64_sys_init_module+0x80/0x80 [ 22.148229][ T288] ? debug_smp_processor_id+0x17/0x20 [ 22.153434][ T288] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 22.159335][ T288] ? irqentry_exit_to_user_mode+0x41/0x80 [ 22.165237][ T288] __x64_sys_init_module+0x76/0x80 [ 22.170185][ T288] do_syscall_64+0x34/0x70 [ 22.174436][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.180178][ T288] RIP: 0033:0x7f8ca80ef2a9 [ 22.184423][ T288] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 22.204055][ T288] RSP: 002b:00007fffb8adb1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 22.212284][ T288] RAX: ffffffffffffffda RBX: 00007fffb8adb3c8 RCX: 00007f8ca80ef2a9 [ 22.220179][ T288] RDX: 0000000000000000 RSI: 0000000000000578 RDI: 0000000020000040 [ 22.227988][ T288] RBP: 00007f8ca8162610 R08: 0000000000000000 R09: 0000000000000000 [ 22.235798][ T288] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 22.243706][ T288] R13: 00007fffb8adb3b8 R14: 0000000000000001 R15: 0000000000000001 [ 22.251593][ T288] [ 22.253758][ T288] [ 22.255931][ T288] Memory state around the buggy address: [ 22.261413][ T288] ffffc9000007ae80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 22.269302][ T288] ffffc9000007af00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 22.277284][ T288] >ffffc9000007af80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 22.285176][ T288] ^ [ 22.292991][ T288] ffffc9000007b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.300890][ T288] ffffc9000007b080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.308784][ T288] ================================================================== [ 22.316769][ T288] Disabling lock debugging due to kernel taint [ 22.322880][ T288] BUG: unable to handle page fault for address: ffffc9000007afff [ 22.330401][ T288] #PF: supervisor read access in kernel mode [ 22.336212][ T288] #PF: error_code(0x0000) - not-present page [ 22.342025][ T288] PGD 100000067 P4D 100000067 PUD 10013a067 PMD 10013b067 PTE 0 [ 22.349491][ T288] Oops: 0000 [#1] PREEMPT SMP KASAN [ 22.354527][ T288] CPU: 1 PID: 288 Comm: syz-executor160 Tainted: G B 5.10.225-syzkaller-00513-g8d23314f588a #0 [ 22.365983][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 22.375973][ T288] RIP: 0010:load_module+0x3f4/0x5aa0 [ 22.381082][ T288] Code: 48 ba 00 00 00 00 00 fc ff df 49 8b 06 48 89 44 24 48 4a 8d 5c 38 ff 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 77 26 00 00 <80> 3b 00 4c 8b 7c 24 70 0f 85 84 14 00 00 48 8d 5e 04 48 89 d8 48 [ 22.400525][ T288] RSP: 0018:ffffc90000b17b60 EFLAGS: 00010286 [ 22.406427][ T288] RAX: ffff888120f96201 RBX: ffffc9000007afff RCX: ffff888120f962c0 [ 22.414334][ T288] RDX: dffffc0000000000 RSI: ffffc9000007b3c2 RDI: 00000000ffffffff [ 22.422136][ T288] RBP: ffffc90000b17d50 R08: ffffffff813e2a7b R09: 0000000000000003 [ 22.429949][ T288] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: ffffc90000b17dc0 [ 22.437778][ T288] R13: ffffc90000b17de8 R14: ffffc9000007b462 R15: ffffc9000007b000 [ 22.445674][ T288] FS: 000055556900d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.454421][ T288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.460859][ T288] CR2: ffffc9000007afff CR3: 000000011aeea000 CR4: 00000000003506a0 [ 22.468659][ T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.476468][ T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.484274][ T288] Call Trace: [ 22.487409][ T288] ? __die_body+0x62/0xb0 [ 22.491568][ T288] ? __die+0x7e/0x90 [ 22.495305][ T288] ? no_context+0x9f9/0xd20 [ 22.499644][ T288] ? is_prefetch+0x5c0/0x5c0 [ 22.504069][ T288] ? release_firmware_map_entry+0x18d/0x18d [ 22.509796][ T288] ? preempt_schedule+0xd9/0xe0 [ 22.514481][ T288] ? __bad_area_nosemaphore+0xc4/0x430 [ 22.519779][ T288] ? schedule_preempt_disabled+0x20/0x20 [ 22.525243][ T288] ? bad_area_nosemaphore+0x2d/0x40 [ 22.530276][ T288] ? do_kern_addr_fault+0x69/0x80 [ 22.535139][ T288] ? exc_page_fault+0x38e/0x5b0 [ 22.539826][ T288] ? asm_exc_page_fault+0x1e/0x30 [ 22.544685][ T288] ? check_panic_on_warn+0x5b/0xb0 [ 22.549632][ T288] ? load_module+0x3f4/0x5aa0 [ 22.554147][ T288] ? unmap_kernel_range_noflush+0x550/0x550 [ 22.559879][ T288] ? __kmalloc+0x1aa/0x330 [ 22.564129][ T288] ? is_vmalloc_or_module_addr+0xd/0x50 [ 22.569507][ T288] ? __kasan_unpoison_vmalloc+0x6a/0x90 [ 22.574889][ T288] ? cmp_name+0x60/0x60 [ 22.578899][ T288] ? security_kernel_post_load_data+0x8c/0xb0 [ 22.584813][ T288] __se_sys_init_module+0x238/0x2d0 [ 22.589817][ T288] ? __x64_sys_init_module+0x80/0x80 [ 22.594944][ T288] ? debug_smp_processor_id+0x17/0x20 [ 22.600152][ T288] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 22.606046][ T288] ? irqentry_exit_to_user_mode+0x41/0x80 [ 22.611603][ T288] __x64_sys_init_module+0x76/0x80 [ 22.616550][ T288] do_syscall_64+0x34/0x70 [ 22.620801][ T288] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.626531][ T288] RIP: 0033:0x7f8ca80ef2a9 [ 22.630783][ T288] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 22.650235][ T288] RSP: 002b:00007fffb8adb1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 22.658469][ T288] RAX: ffffffffffffffda RBX: 00007fffb8adb3c8 RCX: 00007f8ca80ef2a9 [ 22.666277][ T288] RDX: 0000000000000000 RSI: 0000000000000578 RDI: 0000000020000040 [ 22.674087][ T288] RBP: 00007f8ca8162610 R08: 0000000000000000 R09: 0000000000000000 [ 22.681902][ T288] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 22.689710][ T288] R13: 00007fffb8adb3b8 R14: 0000000000000001 R15: 0000000000000001 [ 22.697524][ T288] Modules linked in: [ 22.701265][ T288] CR2: ffffc9000007afff [ 22.705263][ T288] ---[ end trace 4dd1025dfb771fa8 ]--- [ 22.710553][ T288] RIP: 0010:load_module+0x3f4/0x5aa0 [ 22.715663][ T288] Code: 48 ba 00 00 00 00 00 fc ff df 49 8b 06 48 89 44 24 48 4a 8d 5c 38 ff 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 77 26 00 00 <80> 3b 00 4c 8b 7c 24 70 0f 85 84 14 00 00 48 8d 5e 04 48 89 d8 48 [ 22.735105][ T288] RSP: 0018:ffffc90000b17b60 EFLAGS: 00010286 [ 22.741004][ T288] RAX: ffff888120f96201 RBX: ffffc9000007afff RCX: ffff888120f962c0 [ 22.748815][ T288] RDX: dffffc0000000000 RSI: ffffc9000007b3c2 RDI: 00000000ffffffff [ 22.756626][ T288] RBP: ffffc90000b17d50 R08: ffffffff813e2a7b R09: 0000000000000003 [ 22.764439][ T288] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: ffffc90000b17dc0 [ 22.772250][ T288] R13: ffffc90000b17de8 R14: ffffc9000007b462 R15: ffffc9000007b000 [ 22.780062][ T288] FS: 000055556900d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.788828][ T288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.795251][ T288] CR2: ffffc9000007afff CR3: 000000011aeea000 CR4: 00000000003506a0 [ 22.803065][ T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.810871][ T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.818685][ T288] Kernel panic - not syncing: Fatal exception [ 22.824783][ T288] Kernel Offset: disabled [ 22.828902][ T288] Rebooting in 86400 seconds..