./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1682638352 <...> Warning: Permanently added '10.128.0.33' (ED25519) to the list of known hosts. execve("./syz-executor1682638352", ["./syz-executor1682638352"], 0x7ffe5abebcf0 /* 10 vars */) = 0 brk(NULL) = 0x5555820d2000 brk(0x5555820d2e00) = 0x5555820d2e00 arch_prctl(ARCH_SET_FS, 0x5555820d2480) = 0 set_tid_address(0x5555820d2750) = 5073 set_robust_list(0x5555820d2760, 24) = 0 rseq(0x5555820d2da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1682638352", 4096) = 28 getrandom("\x8e\xb4\xa2\xe8\x25\x17\xa8\x47", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555820d2e00 brk(0x5555820f3e00) = 0x5555820f3e00 brk(0x5555820f4000) = 0x5555820f4000 mprotect(0x7f9b07e71000, 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, 0) = 0x21000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f9b07dc9920, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9b07dd1280}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f9b07dc9920, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9b07dd1280}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555820d2750) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x5555820d2760, 24) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5074] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_WRONLY|O_NOCTTY|O_SYNC|O_NOATIME) = 3 [pid 5074] dup(3) = 4 [pid 5074] openat(AT_FDCWD, "/dev/dri/card0", O_RDONLY) = 5 [pid 5074] ioctl(5, DRM_IOCTL_MODE_CREATE_DUMB, 0x20000100) = 0 [pid 5074] mmap(0x20ffd000, 8192, PROT_EXEC|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0x100000000) = 0x20ffd000 [pid 5074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5074] ioctl(-1, DRM_IOCTL_MODE_CREATE_DUMB, 0) = -1 EBADF (Bad file descriptor) [ 110.545260][ T5074] ------------[ cut here ]------------ [ 110.551115][ T5074] kernel BUG at mm/memory.c:2237! [ 110.556161][ T5074] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 110.562758][ T5074] CPU: 0 PID: 5074 Comm: syz-executor168 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 110.572835][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 110.582901][ T5074] RIP: 0010:vmf_insert_pfn_prot+0x24e/0x710 [ 110.588847][ T5074] Code: 0b e8 46 62 ba ff 49 89 ef bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 42 5d ba ff 49 83 ff 20 0f 85 a4 fe ff ff e8 23 62 ba ff 90 <0f> 0b 48 bd ff ff ff ff ff ff 0f 00 e8 11 62 ba ff 4c 89 f6 48 89 [ 110.608474][ T5074] RSP: 0018:ffffc900041d7708 EFLAGS: 00010293 [ 110.614556][ T5074] RAX: 0000000000000000 RBX: ffff88802d725d00 RCX: ffffffff81d3d9fe [ 110.622794][ T5074] RDX: ffff88801fc08000 RSI: ffffffff81d3da0d RDI: 0000000000000007 [ 110.630774][ T5074] RBP: 000000000c040474 R08: 0000000000000007 R09: 0000000000000020 [ 110.638754][ T5074] R10: 0000000000000020 R11: 0000000000000009 R12: 0000000020ffd000 [ 110.646736][ T5074] R13: 1ffff9200083aee2 R14: 00000000000798b7 R15: 0000000000000020 [ 110.654718][ T5074] FS: 00005555820d2480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 110.663664][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.670260][ T5074] CR2: 0000000020ffd000 CR3: 0000000076184000 CR4: 0000000000350ef0 [ 110.678246][ T5074] Call Trace: [ 110.681533][ T5074] [ 110.684485][ T5074] ? show_regs+0x8c/0xa0 [ 110.688744][ T5074] ? die+0x36/0xa0 [ 110.692482][ T5074] ? do_trap+0x232/0x430 [ 110.696749][ T5074] ? vmf_insert_pfn_prot+0x24e/0x710 [ 110.702069][ T5074] ? vmf_insert_pfn_prot+0x24e/0x710 [ 110.707389][ T5074] ? do_error_trap+0xf4/0x230 [ 110.712090][ T5074] ? vmf_insert_pfn_prot+0x24e/0x710 [ 110.717410][ T5074] ? handle_invalid_op+0x34/0x40 [ 110.722379][ T5074] ? vmf_insert_pfn_prot+0x24e/0x710 [ 110.727695][ T5074] ? exc_invalid_op+0x2e/0x50 [ 110.732416][ T5074] ? asm_exc_invalid_op+0x1a/0x20 [ 110.737478][ T5074] ? vmf_insert_pfn_prot+0x23e/0x710 [ 110.742796][ T5074] ? vmf_insert_pfn_prot+0x24d/0x710 [ 110.748115][ T5074] ? vmf_insert_pfn_prot+0x24e/0x710 [ 110.753437][ T5074] ? vmf_insert_pfn_prot+0x24d/0x710 [ 110.758771][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.763654][ T5074] ? __pfx_vmf_insert_pfn_prot+0x10/0x10 [ 110.769324][ T5074] ? __pfx___might_resched+0x10/0x10 [ 110.774655][ T5074] drm_gem_shmem_fault+0x207/0x410 [ 110.779802][ T5074] __do_fault+0x10d/0x4a0 [ 110.784163][ T5074] __handle_mm_fault+0x32c2/0x4920 [ 110.789295][ T5074] ? __pfx___handle_mm_fault+0x10/0x10 [ 110.794777][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.799657][ T5074] ? find_vma+0x112/0x1b0 [ 110.804027][ T5074] ? __pfx_find_vma+0x10/0x10 [ 110.808731][ T5074] handle_mm_fault+0x476/0xa00 [ 110.813509][ T5074] ? lock_mm_and_find_vma+0xa6/0x580 [ 110.818844][ T5074] do_user_addr_fault+0x2e5/0x1080 [ 110.823986][ T5074] exc_page_fault+0x5c/0xc0 [ 110.828610][ T5074] asm_exc_page_fault+0x26/0x30 [ 110.833577][ T5074] RIP: 0010:rep_movs_alternative+0x5b/0x70 [ 110.839420][ T5074] Code: 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 eb 05 e9 0f 3d 10 00 48 89 c8 48 c1 e9 03 83 e0 07 48 a5 89 c1 85 c9 75 af e9 f7 3c 10 00 48 8d 0c c8 eb a4 90 90 [ 110.859047][ T5074] RSP: 0018:ffffc900041d7b10 EFLAGS: 00050246 [ 110.865126][ T5074] RAX: 0000000000000000 RBX: 0000000020ffd000 RCX: 0000000000000200 [ 110.873116][ T5074] RDX: 0000000000000000 RSI: 0000000020ffd000 RDI: ffff888021bbc000 [ 110.881121][ T5074] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10043779ff [ 110.889099][ T5074] R10: ffff888021bbcfff R11: 0000000000000000 R12: 0000000020ffe000 [ 110.897081][ T5074] R13: ffff888021bbc000 R14: 0000000000000000 R15: 0000000020ffd000 [ 110.905077][ T5074] _copy_from_user+0xc6/0xf0 [ 110.909711][ T5074] snd_rawmidi_kernel_write1+0x4f9/0x880 [ 110.915383][ T5074] snd_rawmidi_write+0x26d/0xc00 [ 110.920377][ T5074] ? __pfx_snd_rawmidi_write+0x10/0x10 [ 110.925866][ T5074] ? __pfx_default_wake_function+0x10/0x10 [ 110.931878][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.936758][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.941635][ T5074] ? security_file_permission+0x98/0xc0 [ 110.947202][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.952082][ T5074] ? __pfx_snd_rawmidi_write+0x10/0x10 [ 110.957593][ T5074] vfs_write+0x29b/0x1100 [ 110.961961][ T5074] ? __pfx_vfs_write+0x10/0x10 [ 110.966758][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.971651][ T5074] ? ptrace_stop.part.0+0x722/0x940 [ 110.976882][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.981849][ T5074] ? find_held_lock+0x2d/0x110 [ 110.986655][ T5074] ? srso_return_thunk+0x5/0x5f [ 110.991546][ T5074] ? ptrace_notify+0xf1/0x130 [ 110.996254][ T5074] ? __pfx_lock_release+0x10/0x10 [ 111.001294][ T5074] ? srso_return_thunk+0x5/0x5f [ 111.006183][ T5074] ? __fget_light+0x176/0x210 [ 111.010887][ T5074] ksys_write+0x1f8/0x260 [ 111.015242][ T5074] ? __pfx_ksys_write+0x10/0x10 [ 111.020127][ T5074] ? lockdep_hardirqs_on+0x7c/0x110 [ 111.025347][ T5074] ? srso_return_thunk+0x5/0x5f [ 111.030224][ T5074] ? _raw_spin_unlock_irq+0x2e/0x50 [ 111.035439][ T5074] ? srso_return_thunk+0x5/0x5f [ 111.040320][ T5074] ? ptrace_notify+0xf1/0x130 [ 111.045028][ T5074] do_syscall_64+0xd5/0x260 [ 111.049565][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 111.055489][ T5074] RIP: 0033:0x7f9b07dfe4b9 [ 111.059912][ T5074] 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 [ 111.079532][ T5074] RSP: 002b:00007ffc12a03518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 111.087958][ T5074] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b07dfe4b9 [ 111.095934][ T5074] RDX: 00000000fffffd2c RSI: 0000000020000000 RDI: 0000000000000004 [ 111.103911][ T5074] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 111.111887][ T5074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 111.119865][ T5074] R13: 431bde82d7b634db R14: 00007ffc12a03560 R15: 0000000000000001 [ 111.127855][ T5074] [ 111.130875][ T5074] Modules linked in: [ 111.135561][ T5074] ---[ end trace 0000000000000000 ]--- [ 111.141069][ T5074] RIP: 0010:vmf_insert_pfn_prot+0x24e/0x710 [ 111.147039][ T5074] Code: 0b e8 46 62 ba ff 49 89 ef bf 20 00 00 00 41 83 e7 28 4c 89 fe e8 42 5d ba ff 49 83 ff 20 0f 85 a4 fe ff ff e8 23 62 ba ff 90 <0f> 0b 48 bd ff ff ff ff ff ff 0f 00 e8 11 62 ba ff 4c 89 f6 48 89 [ 111.166723][ T5074] RSP: 0018:ffffc900041d7708 EFLAGS: 00010293 [ 111.172848][ T5074] RAX: 0000000000000000 RBX: ffff88802d725d00 RCX: ffffffff81d3d9fe [ 111.180886][ T5074] RDX: ffff88801fc08000 RSI: ffffffff81d3da0d RDI: 0000000000000007 [ 111.188910][ T5074] RBP: 000000000c040474 R08: 0000000000000007 R09: 0000000000000020 [ 111.196917][ T5074] R10: 0000000000000020 R11: 0000000000000009 R12: 0000000020ffd000 [ 111.204952][ T5074] R13: 1ffff9200083aee2 R14: 00000000000798b7 R15: 0000000000000020 [ 111.212978][ T5074] FS: 00005555820d2480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 111.221969][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.228610][ T5074] CR2: 0000000020ffd000 CR3: 0000000076184000 CR4: 0000000000350ef0 [ 111.236597][ T5074] Kernel panic - not syncing: Fatal exception [ 111.242888][ T5074] Kernel Offset: disabled [ 111.247212][ T5074] Rebooting in 86400 seconds..