ci-upstream-kasan-gce-selinux-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-selinux-root/syz-executor4074738986 <...> Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-selinux-root/syz-executor4074738986", ["ci-upstream-kasan-gce-selinux-root/syz-executor4074738986"], 0x7fff1f1293b0 /* 10 vars */) = 0 brk(NULL) = 0x55556964e000 brk(0x55556964ed80) = 0x55556964ed80 arch_prctl(ARCH_SET_FS, 0x55556964e400) = 0 set_tid_address(0x55556964e6d0) = 5606 set_robust_list(0x55556964e6e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-selinux-root/syz-executor4074738986", 4096) = 63 getrandom("\x80\x73\x86\xa6\xb7\xe4\x4c\xf7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556964ed80 brk(0x55556966fd80) = 0x55556966fd80 brk(0x555569670000) = 0x555569670000 mprotect(0x7fb82a5e8000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 write(1, "executing program\n", 18) = 18 executing program mkdirat(AT_FDCWD, "./config", 0777) = 0 mount(NULL, "./config", "configfs", 0, NULL) = 0 [ 64.207322][ T30] kauditd_printk_skb: 2 callbacks suppressed [ 64.207337][ T30] audit: type=1400 audit(1786954019.044:129): avc: denied { execmem } for pid=5606 comm="syz-executor407" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [ 64.241626][ T30] audit: type=1400 audit(1786954019.074:130): avc: denied { mounton } for pid=5606 comm="syz-executor407" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 64.264910][ T30] audit: type=1400 audit(1786954019.074:131): avc: denied { mount } for pid=5606 comm="syz-executor407" name="/" dev="configfs" ino=26 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 64.277298][ T5606] Mass Storage Function, version: 2009/09/11 mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0", 0777) = 0 openat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers", O_WRONLY) = 3 [ 64.289152][ T30] audit: type=1400 audit(1786954019.094:132): avc: denied { search } for pid=5606 comm="syz-executor407" name="/" dev="configfs" ino=26 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.294268][ T5606] LUN: removable file: (no medium) [ 64.321516][ T30] audit: type=1400 audit(1786954019.094:133): avc: denied { search } for pid=5606 comm="syz-executor407" name="usb_gadget" dev="configfs" ino=920 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.344763][ T30] audit: type=1400 audit(1786954019.094:134): avc: denied { write search } for pid=5606 comm="syz-executor407" name="usb_gadget" dev="configfs" ino=920 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.365400][ T5606] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI [ 64.368477][ T30] audit: type=1400 audit(1786954019.094:135): avc: denied { add_name } for pid=5606 comm="syz-executor407" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.380458][ T5606] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 64.380474][ T5606] CPU: 1 UID: 0 PID: 5606 Comm: syz-executor407 Not tainted syzkaller #0 PREEMPT(full) [ 64.401110][ T30] audit: type=1400 audit(1786954019.094:136): avc: denied { create } for pid=5606 comm="syz-executor407" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 64.409459][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.409470][ T5606] RIP: 0010:fsg_common_set_num_buffers+0xad/0x340 [ 64.419179][ T30] audit: type=1400 audit(1786954019.114:137): avc: denied { search } for pid=5606 comm="syz-executor407" name="/" dev="configfs" ino=26 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.439262][ T5606] Code: 42 80 3c 30 00 0f 85 52 02 00 00 48 89 6d e0 e8 99 48 2c fa be c0 0c 00 00 bf 00 40 00 00 e8 ca 6c 90 fa 48 89 ea 48 c1 ea 03 <42> 80 3c 32 00 0f 85 04 02 00 00 48 89 45 00 48 85 c0 75 95 e8 6a [ 64.439279][ T5606] RSP: 0018:ffffc9000333fbc0 EFLAGS: 00010202 [ 64.439293][ T5606] RAX: ffff88807ec24000 RBX: 0000000000000000 RCX: 0000000000004000 [ 64.439303][ T5606] RDX: 0000000000000002 RSI: ffffffff8c600300 RDI: ffffffff8e674928 [ 64.439313][ T5606] RBP: 0000000000000010 R08: 0000000000000cc0 R09: 00000000ffffffff [ 64.439323][ T5606] R10: ffffed100fd85000 R11: 0000000000000000 R12: 0000000000000000 [ 64.439332][ T5606] R13: 0000000000000010 R14: dffffc0000000000 R15: ffff88807c0b4000 [ 64.543278][ T5606] FS: 000055556964e400(0000) GS:ffff888123cde000(0000) knlGS:0000000000000000 [ 64.552187][ T5606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.558750][ T5606] CR2: 000056020ff0f000 CR3: 00000000772e6000 CR4: 00000000003526f0 [ 64.566699][ T5606] Call Trace: [ 64.569956][ T5606] [ 64.572869][ T5606] fsg_opts_num_buffers_store+0x168/0x1b0 [ 64.578574][ T5606] ? __pfx_fsg_opts_num_buffers_store+0x10/0x10 [ 64.584804][ T5606] ? configfs_write_iter+0x388/0x4e0 [ 64.590084][ T5606] configfs_write_iter+0x302/0x4e0 [ 64.595174][ T5606] vfs_write+0x6ac/0x1050 [ 64.599479][ T5606] ? __pfx_configfs_write_iter+0x10/0x10 [ 64.605093][ T5606] ? __pfx_vfs_write+0x10/0x10 [ 64.609837][ T5606] ? ptrace_stop+0x61c/0xb00 [ 64.614409][ T5606] ? __pfx_ptrace_do_notify+0x10/0x10 [ 64.619762][ T5606] ksys_write+0x12a/0x250 [ 64.624069][ T5606] ? __pfx_ksys_write+0x10/0x10 [ 64.628896][ T5606] ? rcu_is_watching+0x12/0xc0 [ 64.633643][ T5606] ? _raw_spin_unlock_irq+0x23/0x50 [ 64.638817][ T5606] ? lockdep_hardirqs_on+0x78/0x100 [ 64.643993][ T5606] do_syscall_64+0x115/0x870 [ 64.648568][ T5606] ? clear_bhb_loop+0x70/0xc0 [ 64.653225][ T5606] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.659094][ T5606] RIP: 0033:0x7fb82a557cb9 [ 64.663482][ T5606] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48 [ 64.683067][ T5606] RSP: 002b:00007ffc1e17d488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.691459][ T5606] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fb82a557cb9 [ 64.699406][ T5606] RDX: 0000000000000002 RSI: 0000200000000000 RDI: 0000000000000003 [ 64.707359][ T5606] RBP: 6769666e6f632f2e R08: 0000000000000000 R09: 00007ffc1e17d5c8 [ 64.715307][ T5606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1e17d5b8 [ 64.723254][ T5606] R13: 0000000000000002 R14: 0000200000000008 R15: 0000000000000002 [ 64.731206][ T5606] [ 64.734202][ T5606] Modules linked in: [ 64.738141][ T5606] ---[ end trace 0000000000000000 ]--- [ 64.738222][ T30] audit: type=1400 audit(1786954019.114:138): avc: denied { search } for pid=5606 comm="syz-executor407" name="usb_gadget" dev="configfs" ino=920 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 64.747901][ T5606] RIP: 0010:fsg_common_set_num_buffers+0xad/0x340 [ 64.773349][ T5606] Code: 42 80 3c 30 00 0f 85 52 02 00 00 48 89 6d e0 e8 99 48 2c fa be c0 0c 00 00 bf 00 40 00 00 e8 ca 6c 90 fa 48 89 ea 48 c1 ea 03 <42> 80 3c 32 00 0f 85 04 02 00 00 48 89 45 00 48 85 c0 75 95 e8 6a [ 64.793017][ T5606] RSP: 0018:ffffc9000333fbc0 EFLAGS: 00010202 [ 64.799078][ T5606] RAX: ffff88807ec24000 RBX: 0000000000000000 RCX: 0000000000004000 [ 64.807103][ T5606] RDX: 0000000000000002 RSI: ffffffff8c600300 RDI: ffffffff8e674928 [ 64.815079][ T5606] RBP: 0000000000000010 R08: 0000000000000cc0 R09: 00000000ffffffff [ 64.823042][ T5606] R10: ffffed100fd85000 R11: 0000000000000000 R12: 0000000000000000 [ 64.830993][ T5606] R13: 0000000000000010 R14: dffffc0000000000 R15: ffff88807c0b4000 [ 64.838962][ T5606] FS: 000055556964e400(0000) GS:ffff888123cde000(0000) knlGS:0000000000000000 [ 64.847890][ T5606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.854466][ T5606] CR2: 000056020ff0f000 CR3: 00000000772e6000 CR4: 00000000003526f0 [ 64.862436][ T5606] Kernel panic - not syncing: Fatal exception [ 64.868684][ T5606] Kernel Offset: disabled [ 64.872984][ T5606] Rebooting in 86400 seconds..