./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1026625221 <...> Warning: Permanently added '10.128.1.112' (ECDSA) to the list of known hosts. execve("./syz-executor1026625221", ["./syz-executor1026625221"], 0x7fff28ea20f0 /* 10 vars */) = 0 brk(NULL) = 0x5555567d8000 brk(0x5555567d8c40) = 0x5555567d8c40 arch_prctl(ARCH_SET_FS, 0x5555567d8300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1026625221", 4096) = 28 brk(0x5555567f9c40) = 0x5555567f9c40 brk(0x5555567fa000) = 0x5555567fa000 mprotect(0x7f5ed2f59000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5ecaa80000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\xff\x01\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\xbb\x02\x87\x1c\xc7\xbb\xb3\x5e\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f5ecaa80000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 56.374323][ T4998] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4998 'syz-executor102' [ 56.401782][ T4998] loop0: detected capacity change from 0 to 4096 [ 56.412166][ T4998] ntfs3: loop0: Different NTFS sector size (2048) and media sector size (512). mount("/dev/loop0", "./file0", "ntfs3", MS_NOEXEC|MS_SYNCHRONOUS|MS_REC|MS_STRICTATIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 fallocate(4, 0, 0, 1048816) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 5 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 6 write(6, "38", 2) = 2 [ 56.427144][ T4998] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 56.456012][ T4998] FAULT_INJECTION: forcing a failure. [ 56.456012][ T4998] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 56.469441][ T4998] CPU: 0 PID: 4998 Comm: syz-executor102 Not tainted 6.4.0-rc6-syzkaller-00269-g1b29d271614a #0 [ 56.479860][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.489907][ T4998] Call Trace: [ 56.493172][ T4998] [ 56.496090][ T4998] dump_stack_lvl+0x136/0x150 [ 56.500774][ T4998] should_fail_ex+0x4a3/0x5b0 [ 56.505452][ T4998] prepare_alloc_pages+0x178/0x570 [ 56.510563][ T4998] __alloc_pages+0x149/0x4a0 [ 56.515150][ T4998] ? __alloc_pages_slowpath.constprop.0+0x2170/0x2170 [ 56.521910][ T4998] ? filemap_get_entry+0x203/0x430 [ 56.527014][ T4998] ? lock_downgrade+0x690/0x690 [ 56.531872][ T4998] alloc_pages+0x1aa/0x270 [ 56.536291][ T4998] folio_alloc+0x20/0x70 [ 56.540528][ T4998] filemap_alloc_folio+0x3c1/0x470 [ 56.545634][ T4998] ? folio_wake_bit+0x270/0x270 [ 56.550481][ T4998] __filemap_get_folio+0x2a6/0x990 [ 56.555588][ T4998] pagecache_get_page+0x2e/0x270 [ 56.560518][ T4998] ni_readpage_cmpr+0x236/0xcd0 [ 56.565390][ T4998] ntfs_read_folio+0x101/0x1e0 [ 56.570145][ T4998] ? ntfs_resident_writepage+0x1e0/0x1e0 [ 56.575767][ T4998] filemap_read_folio+0xdb/0x2c0 [ 56.580706][ T4998] ? __folio_lock_killable+0x20/0x20 [ 56.585993][ T4998] filemap_get_pages+0x42a/0x1620 [ 56.591016][ T4998] ? __lock_acquire+0xc17/0x5f30 [ 56.595949][ T4998] ? filemap_add_folio+0x1e0/0x1e0 [ 56.601062][ T4998] filemap_read+0x35e/0xc70 [ 56.605566][ T4998] ? filemap_get_pages+0x1620/0x1620 [ 56.610847][ T4998] ? aa_file_perm+0x567/0x1250 [ 56.615610][ T4998] ? lock_downgrade+0x690/0x690 [ 56.620454][ T4998] ? alloc_pipe_info+0x1e9/0x590 [ 56.625379][ T4998] ? kasan_save_stack+0x32/0x40 [ 56.630227][ T4998] ? kasan_set_track+0x25/0x30 [ 56.635008][ T4998] generic_file_read_iter+0x3ad/0x5b0 [ 56.640382][ T4998] ntfs_file_read_iter+0x1b8/0x270 [ 56.645486][ T4998] generic_file_splice_read+0x182/0x4b0 [ 56.651030][ T4998] ? do_splice_direct+0x280/0x280 [ 56.656058][ T4998] ? security_file_permission+0xaf/0xd0 [ 56.661615][ T4998] ? do_splice_direct+0x280/0x280 [ 56.666666][ T4998] do_splice_to+0x1b9/0x240 [ 56.671188][ T4998] splice_direct_to_actor+0x2ab/0x8a0 [ 56.676572][ T4998] ? folio_flags.constprop.0+0x150/0x150 [ 56.682222][ T4998] ? direct_splice_actor+0x180/0x180 [ 56.687507][ T4998] ? bpf_lsm_file_permission+0x9/0x10 [ 56.692876][ T4998] ? security_file_permission+0xaf/0xd0 [ 56.698416][ T4998] do_splice_direct+0x1ab/0x280 [ 56.703287][ T4998] ? splice_direct_to_actor+0x8a0/0x8a0 [ 56.708834][ T4998] ? bpf_lsm_file_permission+0x9/0x10 [ 56.714199][ T4998] ? security_file_permission+0xaf/0xd0 [ 56.719738][ T4998] do_sendfile+0xb19/0x12c0 [ 56.724240][ T4998] ? vfs_iocb_iter_write+0x480/0x480 [ 56.729522][ T4998] ? ptrace_notify+0xfe/0x140 [ 56.734193][ T4998] ? lock_downgrade+0x690/0x690 [ 56.739043][ T4998] __x64_sys_sendfile64+0x1d0/0x210 [ 56.744229][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.749425][ T4998] ? __ia32_sys_sendfile+0x220/0x220 [ 56.754699][ T4998] ? lockdep_hardirqs_on+0x7d/0x100 [ 56.759912][ T4998] ? _raw_spin_unlock_irq+0x2e/0x50 [ 56.765106][ T4998] ? ptrace_notify+0xfe/0x140 [ 56.769779][ T4998] do_syscall_64+0x39/0xb0 [ 56.774212][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.780120][ T4998] RIP: 0033:0x7f5ed2eccc89 [ 56.784522][ T4998] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 56.804120][ T4998] RSP: 002b:00007ffd40fc6638 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 56.812522][ T4998] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5ed2eccc89 [ 56.820485][ T4998] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 56.828443][ T4998] RBP: 00007ffd40fc6640 R08: 0000000000000002 R09: 00007f5ed2003833 [ 56.836399][ T4998] R10: 000000000000c049 R11: 0000000000000246 R12: 0000000000000006 [ 56.844359][ T4998] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.852328][ T4998] [ 56.865600][ T4998] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 56.877322][ T4998] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 56.885716][ T4998] CPU: 1 PID: 4998 Comm: syz-executor102 Not tainted 6.4.0-rc6-syzkaller-00269-g1b29d271614a #0 [ 56.896199][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.906324][ T4998] RIP: 0010:unlock_page+0x25/0x130 [ 56.911428][ T4998] Code: 00 eb b9 66 90 f3 0f 1e fa 41 54 55 48 89 fd 53 e8 e0 bb d0 ff 48 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e4 00 00 00 4c 8b 65 08 31 ff 4c 89 e3 83 e3 01 [ 56.931022][ T4998] RSP: 0018:ffffc90003a9f520 EFLAGS: 00010212 [ 56.937075][ T4998] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000000 [ 56.945028][ T4998] RDX: 0000000000000001 RSI: ffffffff81b38b00 RDI: 0000000000000008 [ 56.952981][ T4998] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 56.960935][ T4998] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 56.968893][ T4998] R13: ffff888077793e08 R14: 0000000000000000 R15: 0000000000000000 [ 56.976856][ T4998] FS: 00005555567d8300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.985779][ T4998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.992346][ T4998] CR2: 00005634a1d87b80 CR3: 0000000022975000 CR4: 0000000000350ee0 [ 57.000311][ T4998] Call Trace: [ 57.003607][ T4998] [ 57.006552][ T4998] ? die_addr+0x3c/0xa0 [ 57.010716][ T4998] ? exc_general_protection+0x129/0x230 [ 57.016260][ T4998] ? asm_exc_general_protection+0x26/0x30 [ 57.021986][ T4998] ? unlock_page+0x10/0x130 [ 57.026484][ T4998] ? unlock_page+0x25/0x130 [ 57.030972][ T4998] ni_readpage_cmpr+0x44a/0xcd0 [ 57.035810][ T4998] ntfs_read_folio+0x101/0x1e0 [ 57.040565][ T4998] ? ntfs_resident_writepage+0x1e0/0x1e0 [ 57.046185][ T4998] filemap_read_folio+0xdb/0x2c0 [ 57.051110][ T4998] ? __folio_lock_killable+0x20/0x20 [ 57.056385][ T4998] filemap_get_pages+0x42a/0x1620 [ 57.061401][ T4998] ? __lock_acquire+0xc17/0x5f30 [ 57.066329][ T4998] ? filemap_add_folio+0x1e0/0x1e0 [ 57.071433][ T4998] filemap_read+0x35e/0xc70 [ 57.075928][ T4998] ? filemap_get_pages+0x1620/0x1620 [ 57.081200][ T4998] ? aa_file_perm+0x567/0x1250 [ 57.085953][ T4998] ? lock_downgrade+0x690/0x690 [ 57.090792][ T4998] ? alloc_pipe_info+0x1e9/0x590 [ 57.095715][ T4998] ? kasan_save_stack+0x32/0x40 [ 57.100555][ T4998] ? kasan_set_track+0x25/0x30 [ 57.105322][ T4998] generic_file_read_iter+0x3ad/0x5b0 [ 57.110688][ T4998] ntfs_file_read_iter+0x1b8/0x270 [ 57.115784][ T4998] generic_file_splice_read+0x182/0x4b0 [ 57.121417][ T4998] ? do_splice_direct+0x280/0x280 [ 57.126437][ T4998] ? security_file_permission+0xaf/0xd0 [ 57.131969][ T4998] ? do_splice_direct+0x280/0x280 [ 57.137011][ T4998] do_splice_to+0x1b9/0x240 [ 57.141521][ T4998] splice_direct_to_actor+0x2ab/0x8a0 [ 57.146889][ T4998] ? folio_flags.constprop.0+0x150/0x150 [ 57.152514][ T4998] ? direct_splice_actor+0x180/0x180 [ 57.157793][ T4998] ? bpf_lsm_file_permission+0x9/0x10 [ 57.163166][ T4998] ? security_file_permission+0xaf/0xd0 [ 57.168703][ T4998] do_splice_direct+0x1ab/0x280 [ 57.173547][ T4998] ? splice_direct_to_actor+0x8a0/0x8a0 [ 57.179088][ T4998] ? bpf_lsm_file_permission+0x9/0x10 [ 57.184448][ T4998] ? security_file_permission+0xaf/0xd0 [ 57.189985][ T4998] do_sendfile+0xb19/0x12c0 [ 57.194482][ T4998] ? vfs_iocb_iter_write+0x480/0x480 [ 57.199769][ T4998] ? ptrace_notify+0xfe/0x140 [ 57.204431][ T4998] ? lock_downgrade+0x690/0x690 [ 57.209274][ T4998] __x64_sys_sendfile64+0x1d0/0x210 [ 57.214460][ T4998] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.219652][ T4998] ? __ia32_sys_sendfile+0x220/0x220 [ 57.225006][ T4998] ? lockdep_hardirqs_on+0x7d/0x100 [ 57.230194][ T4998] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.235381][ T4998] ? ptrace_notify+0xfe/0x140 [ 57.240045][ T4998] do_syscall_64+0x39/0xb0 [ 57.244463][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.250360][ T4998] RIP: 0033:0x7f5ed2eccc89 [ 57.254758][ T4998] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 57.274379][ T4998] RSP: 002b:00007ffd40fc6638 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 57.282782][ T4998] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5ed2eccc89 [ 57.290744][ T4998] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 57.298701][ T4998] RBP: 00007ffd40fc6640 R08: 0000000000000002 R09: 00007f5ed2003833 [ 57.306662][ T4998] R10: 000000000000c049 R11: 0000000000000246 R12: 0000000000000006 [ 57.314658][ T4998] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 57.322624][ T4998] [ 57.325628][ T4998] Modules linked in: [ 57.329669][ T4998] ---[ end trace 0000000000000000 ]--- [ 57.335160][ T4998] RIP: 0010:unlock_page+0x25/0x130 [ 57.340351][ T4998] Code: 00 eb b9 66 90 f3 0f 1e fa 41 54 55 48 89 fd 53 e8 e0 bb d0 ff 48 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e4 00 00 00 4c 8b 65 08 31 ff 4c 89 e3 83 e3 01 [ 57.360237][ T4998] RSP: 0018:ffffc90003a9f520 EFLAGS: 00010212 [ 57.366316][ T4998] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000000 [ 57.374425][ T4998] RDX: 0000000000000001 RSI: ffffffff81b38b00 RDI: 0000000000000008 [ 57.382410][ T4998] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000001 [ 57.390389][ T4998] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 57.398376][ T4998] R13: ffff888077793e08 R14: 0000000000000000 R15: 0000000000000000 [ 57.406325][ T4998] FS: 00005555567d8300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 57.415260][ T4998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.421849][ T4998] CR2: 00005634a1d84ee0 CR3: 0000000022975000 CR4: 0000000000350ee0 [ 57.429836][ T4998] Kernel panic - not syncing: Fatal exception [ 57.436564][ T4998] Kernel Offset: disabled [ 57.440869][ T4998] Rebooting in 86400 seconds..