ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor2386897822 <...> Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor2386897822", ["ci2-upstream-fs/syz-executor2386897822"], 0x7fff200b0320 /* 10 vars */) = 0 brk(NULL) = 0x555588eb7000 brk(0x555588eb7d80) = 0x555588eb7d80 arch_prctl(ARCH_SET_FS, 0x555588eb7400) = 0 set_tid_address(0x555588eb76d0) = 5617 set_robust_list(0x555588eb76e0, 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/ci2-upstream-fs/syz-executor2386897822", 4096) = 44 getrandom("\x37\x45\xa7\xb7\x9f\xb2\x3a\xe3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588eb7d80 brk(0x555588ed8d80) = 0x555588ed8d80 brk(0x555588ed9000) = 0x555588ed9000 mprotect(0x7f5d408b9000, 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 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5618 attached , child_tidptr=0x555588eb76d0) = 5618 [pid 5617] rt_sigprocmask(SIG_SETMASK, [] [pid 5618] set_robust_list(0x555588eb76e0, 24 [pid 5617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5618] setpgid(0, 0) = 0 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] write(3, "1000", 4) = 4 [pid 5618] close(3) = 0 executing program [pid 5618] write(1, "executing program\n", 18) = 18 [pid 5618] mkdirat(AT_FDCWD, "./sys", 0777) = 0 [pid 5618] mount(NULL, "./sys", "sysfs", 0, NULL) = 0 [pid 5618] openat(AT_FDCWD, "./sys/bus/platform/devices/pcspkr", O_RDONLY) = 3 [pid 5618] openat(3, "driver_override", O_WRONLY) = 4 [pid 5618] write(4, "ucsi_acpi\n", 10) = 10 [pid 5618] openat(AT_FDCWD, "./sys/bus/platform/drivers/ucsi_acpi", O_RDONLY) = 5 [pid 5618] openat(5, "bind", O_WRONLY) = 6 [ 100.001227][ T5618] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000fc: 0000 [#1] SMP KASAN PTI [ 100.013157][ T5618] KASAN: null-ptr-deref in range [0x00000000000007e0-0x00000000000007e7] [ 100.021596][ T5618] CPU: 0 UID: 0 PID: 5618 Comm: syz-executor238 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 100.031838][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 [ 100.041900][ T5618] RIP: 0010:ucsi_acpi_probe+0x6c/0x4b0 [ 100.047395][ T5618] Code: 89 74 24 08 4c 8b 23 4c 89 e7 e8 bf 7d cd fd 49 83 c4 f0 45 31 f6 84 c0 4d 0f 45 f4 49 81 c6 e4 07 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 16 04 00 00 41 8b 2e 31 ff 89 ee e8 fb [ 100.067030][ T5618] RSP: 0018:ffffc90004c27ab8 EFLAGS: 00010207 [ 100.073133][ T5618] RAX: 00000000000000fc RBX: ffff88801d7ac4e8 RCX: ffff888011e4be80 [ 100.081128][ T5618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 100.089100][ T5618] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 100.097090][ T5618] R10: dffffc0000000000 R11: ffffffff8760c1c0 R12: fffffffffffffff0 [ 100.105081][ T5618] R13: dffffc0000000000 R14: 00000000000007e4 R15: 1ffff11003af589d [ 100.113084][ T5618] FS: 0000555588eb7400(0000) GS:ffff888125bcb000(0000) knlGS:0000000000000000 [ 100.122061][ T5618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.128687][ T5618] CR2: 0000200000000000 CR3: 0000000045e66000 CR4: 00000000003526f0 [ 100.136700][ T5618] Call Trace: [ 100.140016][ T5618] [ 100.142983][ T5618] ? __pfx_ucsi_acpi_probe+0x10/0x10 [ 100.148326][ T5618] platform_probe+0xf9/0x190 [ 100.152959][ T5618] ? __pfx_platform_probe+0x10/0x10 [ 100.158197][ T5618] really_probe+0x254/0xae0 [ 100.162742][ T5618] __driver_probe_device+0x1e8/0x360 [ 100.168130][ T5618] device_driver_attach+0xe0/0x1d0 [ 100.173296][ T5618] bind_store+0x1d3/0x220 [ 100.177691][ T5618] ? __pfx_sysfs_kf_write+0x10/0x10 [ 100.182924][ T5618] kernfs_fop_write_iter+0x3a5/0x540 [ 100.188255][ T5618] vfs_write+0x61e/0xbb0 [ 100.192551][ T5618] ? __pfx_vfs_write+0x10/0x10 [ 100.197350][ T5618] ? rt_spin_unlock+0x159/0x200 [ 100.202252][ T5618] ? rt_spin_unlock+0x165/0x200 [ 100.207138][ T5618] ksys_write+0x156/0x270 [ 100.211500][ T5618] ? __pfx_ksys_write+0x10/0x10 [ 100.216390][ T5618] do_syscall_64+0x166/0x520 [ 100.221021][ T5618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.227125][ T5618] ? clear_bhb_loop+0x70/0xc0 [ 100.231863][ T5618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.237784][ T5618] RIP: 0033:0x7f5d40826649 [ 100.242244][ T5618] 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 [ 100.261869][ T5618] RSP: 002b:00007ffd2d524bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.270309][ T5618] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d40826649 [ 100.278302][ T5618] RDX: 0000000000000007 RSI: 0000200000000600 RDI: 0000000000000006 [ 100.286302][ T5618] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 100.294308][ T5618] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd2d524d28 [ 100.302326][ T5618] R13: 431bde82d7b634db R14: 00007f5d408b9c40 R15: 0000000000000002 [ 100.310339][ T5618] [ 100.313378][ T5618] Modules linked in: [ 100.317816][ T5618] ---[ end trace 0000000000000000 ]--- [ 100.323413][ T5618] RIP: 0010:ucsi_acpi_probe+0x6c/0x4b0 [ 100.323448][ T5618] Code: 89 74 24 08 4c 8b 23 4c 89 e7 e8 bf 7d cd fd 49 83 c4 f0 45 31 f6 84 c0 4d 0f 45 f4 49 81 c6 e4 07 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 16 04 00 00 41 8b 2e 31 ff 89 ee e8 fb [ 100.323466][ T5618] RSP: 0018:ffffc90004c27ab8 EFLAGS: 00010207 [ 100.323485][ T5618] RAX: 00000000000000fc RBX: ffff88801d7ac4e8 RCX: ffff888011e4be80 [ 100.323500][ T5618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 100.323512][ T5618] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 100.323524][ T5618] R10: dffffc0000000000 R11: ffffffff8760c1c0 R12: fffffffffffffff0 [ 100.323539][ T5618] R13: dffffc0000000000 R14: 00000000000007e4 R15: 1ffff11003af589d [ 100.323554][ T5618] FS: 0000555588eb7400(0000) GS:ffff888125ccb000(0000) knlGS:0000000000000000 [ 100.323572][ T5618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.323588][ T5618] CR2: 0000555588eb76d0 CR3: 0000000045e66000 CR4: 00000000003526f0 [ 100.323609][ T5618] Kernel panic - not syncing: Fatal exception [ 100.424847][ T5618] Kernel Offset: disabled [ 100.429210][ T5618] Rebooting in 86400 seconds..