./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1431798063
<...>
Warning: Permanently added '10.128.1.54' (ED25519) to the list of known hosts.
execve("./syz-executor1431798063", ["./syz-executor1431798063"], 0x7ffd5edaad80 /* 10 vars */) = 0
brk(NULL) = 0x55558afbc000
brk(0x55558afbcd00) = 0x55558afbcd00
arch_prctl(ARCH_SET_FS, 0x55558afbc380) = 0
set_tid_address(0x55558afbc650) = 5841
set_robust_list(0x55558afbc660, 24) = 0
rseq(0x55558afbcca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1431798063", 4096) = 28
getrandom("\x0b\xe5\x05\xdb\x7c\x71\x99\x3f", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558afbcd00
brk(0x55558afddd00) = 0x55558afddd00
brk(0x55558afde000) = 0x55558afde000
mprotect(0x7fa3ac8de000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached
, child_tidptr=0x55558afbc650) = 5842
[pid 5842] set_robust_list(0x55558afbc660, 24) = 0
[pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5842] setpgid(0, 0) = 0
[pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5842] write(3, "1000", 4) = 4
[pid 5842] close(3) = 0
executing program
[pid 5842] write(1, "executing program\n", 18) = 18
[ 82.611748][ T5842] ==================================================================
[ 82.619905][ T5842] BUG: KASAN: slab-out-of-bounds in atomic_ptr_type_ok+0x3d7/0x550
[ 82.627862][ T5842] Read of size 4 at addr ffff888141b0d690 by task syz-executor143/5842
[ 82.636144][ T5842]
[ 82.638496][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor143 Not tainted 6.14.0-rc3-syzkaller-gf28214603dc6 #0
[ 82.638514][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 82.638529][ T5842] Call Trace:
[ 82.638539][ T5842] <TASK>
[ 82.638547][ T5842] dump_stack_lvl+0x241/0x360
[ 82.638568][ T5842] ? __pfx_dump_stack_lvl+0x10/0x10
[ 82.638583][ T5842] ? __pfx__printk+0x10/0x10
[ 82.638598][ T5842] ? _printk+0xd5/0x120
[ 82.638611][ T5842] ? __virt_addr_valid+0x183/0x530
[ 82.638625][ T5842] ? __virt_addr_valid+0x183/0x530
[ 82.638644][ T5842] print_report+0x16e/0x5b0
[ 82.638664][ T5842] ? __virt_addr_valid+0x183/0x530
[ 82.638677][ T5842] ? __virt_addr_valid+0x183/0x530
[ 82.638689][ T5842] ? __virt_addr_valid+0x45f/0x530
[ 82.638701][ T5842] ? __phys_addr+0xba/0x170
[ 82.638724][ T5842] ? atomic_ptr_type_ok+0x3d7/0x550
[ 82.638740][ T5842] kasan_report+0x143/0x180
[ 82.638759][ T5842] ? atomic_ptr_type_ok+0x3d7/0x550
[ 82.638777][ T5842] atomic_ptr_type_ok+0x3d7/0x550
[ 82.638793][ T5842] do_check+0x89dd/0xedd0
[ 82.638819][ T5842] ? __kasan_kmalloc+0x98/0xb0
[ 82.638837][ T5842] ? bpf_prog_load+0x1664/0x20e0
[ 82.638857][ T5842] ? __sys_bpf+0x4ea/0x820
[ 82.638891][ T5842] ? __pfx_do_check+0x10/0x10
[ 82.638910][ T5842] ? __pfx_verbose+0x10/0x10
[ 82.638925][ T5842] ? __pfx_disasm_kfunc_name+0x10/0x10
[ 82.638945][ T5842] ? __asan_memset+0x23/0x50
[ 82.638962][ T5842] do_check_common+0x1678/0x2080
[ 82.638988][ T5842] bpf_check+0x165c8/0x1cca0
[ 82.639007][ T5842] ? post_alloc_hook+0x207/0x240
[ 82.639022][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639046][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 82.639062][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639078][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639092][ T5842] ? mark_lock+0x9a/0x360
[ 82.639110][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639129][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639144][ T5842] ? __lock_acquire+0x1397/0x2100
[ 82.639168][ T5842] ? validate_chain+0x11e/0x5920
[ 82.639186][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 82.639204][ T5842] ? __pfx_lock_acquire+0x10/0x10
[ 82.639225][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 82.639240][ T5842] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 82.639263][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 82.639285][ T5842] ? do_raw_spin_unlock+0x13c/0x8b0
[ 82.639304][ T5842] ? __pfx_bpf_check+0x10/0x10
[ 82.639320][ T5842] ? lockdep_hardirqs_on+0x99/0x150
[ 82.639346][ T5842] ? finish_task_switch+0x1e5/0x870
[ 82.639363][ T5842] ? mark_lock+0x9a/0x360
[ 82.639377][ T5842] ? __lock_acquire+0x1397/0x2100
[ 82.639407][ T5842] ? __pfx_lock_acquire+0x10/0x10
[ 82.639428][ T5842] ? ktime_get_with_offset+0x8d/0x2a0
[ 82.639447][ T5842] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 82.639470][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 82.639493][ T5842] ? ktime_get_with_offset+0x8d/0x2a0
[ 82.639510][ T5842] ? seqcount_lockdep_reader_access+0x157/0x220
[ 82.639535][ T5842] ? lockdep_hardirqs_on+0x99/0x150
[ 82.639555][ T5842] ? seqcount_lockdep_reader_access+0x1d7/0x220
[ 82.639574][ T5842] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 82.639596][ T5842] ? __check_object_size+0x8e/0x730
[ 82.639616][ T5842] ? __asan_memset+0x23/0x50
[ 82.639635][ T5842] ? bpf_obj_name_cpy+0x18a/0x1d0
[ 82.639652][ T5842] bpf_prog_load+0x1664/0x20e0
[ 82.639678][ T5842] ? __pfx_bpf_prog_load+0x10/0x10
[ 82.639699][ T5842] ? __pfx___might_resched+0x10/0x10
[ 82.639723][ T5842] ? __might_fault+0xaa/0x120
[ 82.639741][ T5842] __sys_bpf+0x4ea/0x820
[ 82.639762][ T5842] ? __pfx___sys_bpf+0x10/0x10
[ 82.639793][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 82.639816][ T5842] ? exc_page_fault+0x590/0x8b0
[ 82.639839][ T5842] __x64_sys_bpf+0x7c/0x90
[ 82.639857][ T5842] do_syscall_64+0xf3/0x230
[ 82.639879][ T5842] ? clear_bhb_loop+0x35/0x90
[ 82.639903][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.639923][ T5842] RIP: 0033:0x7fa3ac86bab9
[ 82.639940][ T5842] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 82.639951][ T5842] RSP: 002b:00007ffe50fff5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 82.639967][ T5842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3ac86bab9
[ 82.639978][ T5842] RDX: 0000000000000094 RSI: 00004000000009c0 RDI: 0000000000000005
[ 82.639987][ T5842] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 82.639995][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 82.640004][ T5842] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 82.640018][ T5842] </TASK>
[ 82.640023][ T5842]
[ 83.099848][ T5842] Allocated by task 5842:
[ 83.104185][ T5842] kasan_save_track+0x3f/0x80
[ 83.108873][ T5842] __kasan_kmalloc+0x98/0xb0
[ 83.113476][ T5842] __kmalloc_cache_noprof+0x243/0x390
[ 83.118947][ T5842] do_check_common+0x1ec/0x2080
[ 83.123808][ T5842] bpf_check+0x165c8/0x1cca0
[ 83.128412][ T5842] bpf_prog_load+0x1664/0x20e0
[ 83.133219][ T5842] __sys_bpf+0x4ea/0x820
[ 83.137511][ T5842] __x64_sys_bpf+0x7c/0x90
[ 83.142060][ T5842] do_syscall_64+0xf3/0x230
[ 83.146581][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.152499][ T5842]
[ 83.154824][ T5842] The buggy address belongs to the object at ffff888141b0d000
[ 83.154824][ T5842] which belongs to the cache kmalloc-2k of size 2048
[ 83.168893][ T5842] The buggy address is located 312 bytes to the right of
[ 83.168893][ T5842] allocated 1368-byte region [ffff888141b0d000, ffff888141b0d558)
[ 83.183845][ T5842]
[ 83.186193][ T5842] The buggy address belongs to the physical page:
[ 83.192616][ T5842] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x141b08
[ 83.201475][ T5842] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 83.209995][ T5842] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 83.217663][ T5842] page_type: f5(slab)
[ 83.221664][ T5842] raw: 057ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
[ 83.230271][ T5842] raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
[ 83.238967][ T5842] head: 057ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
[ 83.247659][ T5842] head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
[ 83.256404][ T5842] head: 057ff00000000003 ffffea000506c201 ffffffffffffffff 0000000000000000
[ 83.265086][ T5842] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
[ 83.273774][ T5842] page dumped because: kasan: bad access detected
[ 83.280232][ T5842] page_owner tracks the page as allocated
[ 83.285963][ T5842] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 8909973200, free_ts 0
[ 83.305603][ T5842] post_alloc_hook+0x1f4/0x240
[ 83.310369][ T5842] get_page_from_freelist+0x3a8c/0x3c20
[ 83.315949][ T5842] __alloc_frozen_pages_noprof+0x264/0x580
[ 83.321760][ T5842] alloc_pages_mpol+0x311/0x660
[ 83.326638][ T5842] allocate_slab+0x8f/0x3a0
[ 83.331142][ T5842] ___slab_alloc+0xc27/0x14a0
[ 83.335851][ T5842] __slab_alloc+0x58/0xa0
[ 83.340193][ T5842] __kmalloc_cache_noprof+0x27b/0x390
[ 83.345601][ T5842] virtio_pci_probe+0x54/0x340
[ 83.350393][ T5842] pci_device_probe+0x6c5/0xa10
[ 83.355254][ T5842] really_probe+0x2b9/0xad0
[ 83.359776][ T5842] __driver_probe_device+0x1a2/0x390
[ 83.365073][ T5842] driver_probe_device+0x50/0x430
[ 83.370115][ T5842] __driver_attach+0x45f/0x710
[ 83.374880][ T5842] bus_for_each_dev+0x239/0x2b0
[ 83.379742][ T5842] bus_add_driver+0x346/0x670
[ 83.384427][ T5842] page_owner free stack trace missing
[ 83.389795][ T5842]
[ 83.392132][ T5842] Memory state around the buggy address:
[ 83.397857][ T5842] ffff888141b0d580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 83.405919][ T5842] ffff888141b0d600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 83.413986][ T5842] >ffff888141b0d680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 83.422051][ T5842] ^
[ 83.426665][ T5842] ffff888141b0d700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 83.434762][ T5842] ffff888141b0d780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 83.442863][ T5842] ==================================================================
[ 83.452279][ T5842] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 83.459600][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor143 Not tainted 6.14.0-rc3-syzkaller-gf28214603dc6 #0
[ 83.470216][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 83.480282][ T5842] Call Trace:
[ 83.483582][ T5842] <TASK>
[ 83.486542][ T5842] dump_stack_lvl+0x241/0x360
[ 83.491237][ T5842] ? __pfx_dump_stack_lvl+0x10/0x10
[ 83.496512][ T5842] ? __pfx__printk+0x10/0x10
[ 83.501315][ T5842] ? preempt_schedule+0xe1/0xf0
[ 83.506204][ T5842] ? vscnprintf+0x5d/0x90
[ 83.510843][ T5842] panic+0x349/0x880
[ 83.514777][ T5842] ? check_panic_on_warn+0x21/0xb0
[ 83.519931][ T5842] ? __pfx_panic+0x10/0x10
[ 83.524444][ T5842] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 83.530484][ T5842] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 83.536827][ T5842] ? print_report+0x519/0x5b0
[ 83.541546][ T5842] check_panic_on_warn+0x86/0xb0
[ 83.546618][ T5842] ? atomic_ptr_type_ok+0x3d7/0x550
[ 83.551846][ T5842] end_report+0x77/0x160
[ 83.556110][ T5842] kasan_report+0x154/0x180
[ 83.560633][ T5842] ? atomic_ptr_type_ok+0x3d7/0x550
[ 83.565842][ T5842] atomic_ptr_type_ok+0x3d7/0x550
[ 83.570987][ T5842] do_check+0x89dd/0xedd0
[ 83.575363][ T5842] ? __kasan_kmalloc+0x98/0xb0
[ 83.580264][ T5842] ? bpf_prog_load+0x1664/0x20e0
[ 83.585250][ T5842] ? __sys_bpf+0x4ea/0x820
[ 83.589749][ T5842] ? __pfx_do_check+0x10/0x10
[ 83.594470][ T5842] ? __pfx_verbose+0x10/0x10
[ 83.599090][ T5842] ? __pfx_disasm_kfunc_name+0x10/0x10
[ 83.604569][ T5842] ? __asan_memset+0x23/0x50
[ 83.609171][ T5842] do_check_common+0x1678/0x2080
[ 83.614219][ T5842] bpf_check+0x165c8/0x1cca0
[ 83.618822][ T5842] ? post_alloc_hook+0x207/0x240
[ 83.623779][ T5842] ? validate_chain+0x11e/0x5920
[ 83.628771][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 83.633980][ T5842] ? validate_chain+0x11e/0x5920
[ 83.638925][ T5842] ? validate_chain+0x11e/0x5920
[ 83.643959][ T5842] ? mark_lock+0x9a/0x360
[ 83.648324][ T5842] ? validate_chain+0x11e/0x5920
[ 83.653276][ T5842] ? validate_chain+0x11e/0x5920
[ 83.658223][ T5842] ? __lock_acquire+0x1397/0x2100
[ 83.663277][ T5842] ? validate_chain+0x11e/0x5920
[ 83.668250][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 83.673479][ T5842] ? __pfx_lock_acquire+0x10/0x10
[ 83.678531][ T5842] ? __pfx_validate_chain+0x10/0x10
[ 83.683810][ T5842] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 83.689808][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 83.696158][ T5842] ? do_raw_spin_unlock+0x13c/0x8b0
[ 83.701372][ T5842] ? __pfx_bpf_check+0x10/0x10
[ 83.706153][ T5842] ? lockdep_hardirqs_on+0x99/0x150
[ 83.711370][ T5842] ? finish_task_switch+0x1e5/0x870
[ 83.716582][ T5842] ? mark_lock+0x9a/0x360
[ 83.721026][ T5842] ? __lock_acquire+0x1397/0x2100
[ 83.726200][ T5842] ? __pfx_lock_acquire+0x10/0x10
[ 83.731341][ T5842] ? ktime_get_with_offset+0x8d/0x2a0
[ 83.736833][ T5842] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 83.742836][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 83.749189][ T5842] ? ktime_get_with_offset+0x8d/0x2a0
[ 83.754930][ T5842] ? seqcount_lockdep_reader_access+0x157/0x220
[ 83.761419][ T5842] ? lockdep_hardirqs_on+0x99/0x150
[ 83.766732][ T5842] ? seqcount_lockdep_reader_access+0x1d7/0x220
[ 83.773018][ T5842] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 83.779639][ T5842] ? __check_object_size+0x8e/0x730
[ 83.784862][ T5842] ? __asan_memset+0x23/0x50
[ 83.789466][ T5842] ? bpf_obj_name_cpy+0x18a/0x1d0
[ 83.794515][ T5842] bpf_prog_load+0x1664/0x20e0
[ 83.799306][ T5842] ? __pfx_bpf_prog_load+0x10/0x10
[ 83.804498][ T5842] ? __pfx___might_resched+0x10/0x10
[ 83.809830][ T5842] ? __might_fault+0xaa/0x120
[ 83.814526][ T5842] __sys_bpf+0x4ea/0x820
[ 83.818804][ T5842] ? __pfx___sys_bpf+0x10/0x10
[ 83.823679][ T5842] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 83.830032][ T5842] ? exc_page_fault+0x590/0x8b0
[ 83.835010][ T5842] __x64_sys_bpf+0x7c/0x90
[ 83.839461][ T5842] do_syscall_64+0xf3/0x230
[ 83.844007][ T5842] ? clear_bhb_loop+0x35/0x90
[ 83.848734][ T5842] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.854682][ T5842] RIP: 0033:0x7fa3ac86bab9
[ 83.859111][ T5842] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 83.878738][ T5842] RSP: 002b:00007ffe50fff5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 83.887172][ T5842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3ac86bab9
[ 83.895155][ T5842] RDX: 0000000000000094 RSI: 00004000000009c0 RDI: 0000000000000005
[ 83.903136][ T5842] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 83.911134][ T5842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 83.919114][ T5842] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 83.927103][ T5842] </TASK>
[ 83.930413][ T5842] Kernel Offset: disabled
[ 83.934787][ T5842] Rebooting in 86400 seconds..