./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3757631434 <...> Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts. execve("./syz-executor3757631434", ["./syz-executor3757631434"], 0x7ffc517e6d40 /* 10 vars */) = 0 brk(NULL) = 0x55556a7df000 brk(0x55556a7dfd00) = 0x55556a7dfd00 arch_prctl(ARCH_SET_FS, 0x55556a7df380) = 0 set_tid_address(0x55556a7df650) = 5779 set_robust_list(0x55556a7df660, 24) = 0 rseq(0x55556a7dfca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3757631434", 4096) = 28 getrandom("\x7c\x81\xe4\x43\x0c\x3c\x1d\x07", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a7dfd00 brk(0x55556a800d00) = 0x55556a800d00 brk(0x55556a801000) = 0x55556a801000 mprotect(0x7fd4a989a000, 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, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5781 attached [pid 5781] set_robust_list(0x55556a7df660, 24) = 0 [pid 5779] <... clone resumed>, child_tidptr=0x55556a7df650) = 5781 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 [pid 5781] close(3) = 0 executing program [pid 5781] write(1, "executing program\n", 18) = 18 [pid 5781] memfd_create("syzkaller", 0) = 3 [pid 5781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd4a1200000 [pid 5781] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65536) = 65536 [pid 5781] munmap(0x7fd4a1200000, 138412032) = 0 [pid 5781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5781] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5781] close(3) = 0 [pid 5781] close(4) = 0 [pid 5781] mkdir("./mnt", 0777) = 0 [ 180.095834][ T5781] loop0: detected capacity change from 0 to 128 [ 180.158160][ T5781] ======================================================= [ 180.158160][ T5781] WARNING: The mand mount option has been deprecated and [ 180.158160][ T5781] and is ignored by this kernel. Remove the mand [ 180.158160][ T5781] option from the mount to silence this warning. [ 180.158160][ T5781] ======================================================= [ 180.610659][ T5781] EXT4-fs (loop0): Test dummy encryption mode enabled [ 180.641952][ T5781] EXT4-fs (loop0): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. [pid 5781] mount("/dev/loop0", "./mnt", "ext4", MS_MANDLOCK|MS_NODIRATIME, "test_dummy_encryption,,errors=continue") = 0 [pid 5781] openat(AT_FDCWD, "./mnt", O_RDONLY|O_DIRECTORY) = 3 [pid 5781] chdir("./mnt") = 0 [pid 5781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 180.655602][ T5781] ext4 filesystem being mounted at /root/mnt supports timestamps until 2038-01-19 (0x7fffffff) [pid 5781] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 000) = 4 [ 180.977895][ T5781] fscrypt: AES-256-XTS using implementation "xts(ecb(aes-fixed-time))" [ 181.027946][ T5781] ===================================================== [ 181.035115][ T5781] BUG: KMSAN: uninit-value in aes_encrypt+0x15cc/0x1db0 [ 181.042200][ T5781] aes_encrypt+0x15cc/0x1db0 [ 181.046926][ T5781] aesti_encrypt+0x7d/0xf0 [ 181.051463][ T5781] crypto_ecb_encrypt2+0x18a/0x300 [ 181.056721][ T5781] crypto_lskcipher_crypt_sg+0x36b/0x7f0 [ 181.062527][ T5781] crypto_lskcipher_encrypt_sg+0x8a/0xc0 [ 181.068289][ T5781] crypto_skcipher_encrypt+0x119/0x1e0 [ 181.073852][ T5781] xts_encrypt+0x3c4/0x550 [ 181.078383][ T5781] crypto_skcipher_encrypt+0x1a0/0x1e0 [ 181.084001][ T5781] fscrypt_crypt_data_unit+0x4ee/0x8f0 [ 181.089588][ T5781] fscrypt_encrypt_pagecache_blocks+0x422/0x900 [ 181.096037][ T5781] ext4_bio_write_folio+0x1377/0x2e50 [ 181.101611][ T5781] mpage_submit_folio+0x360/0x490 [ 181.106798][ T5781] ext4_do_writepages+0x3713/0x62c0 [ 181.112201][ T5781] ext4_writepages+0x312/0x830 [ 181.117151][ T5781] do_writepages+0x427/0xc30 [ 181.121829][ T5781] file_write_and_wait_range+0x6f2/0x7b0 [ 181.127574][ T5781] generic_buffers_fsync_noflush+0x7e/0x3c0 [ 181.133592][ T5781] ext4_sync_file+0x5ae/0x1390 [ 181.138443][ T5781] vfs_fsync_range+0x1f9/0x260 [ 181.143288][ T5781] ext4_buffered_write_iter+0x9a7/0xaa0 [ 181.148925][ T5781] ext4_file_write_iter+0x266/0x3820 [ 181.154333][ T5781] vfs_write+0xb2b/0x1540 [ 181.158796][ T5781] __x64_sys_pwrite64+0x2c5/0x3b0 [ 181.164006][ T5781] x64_sys_call+0xc16/0x3c30 [ 181.168712][ T5781] do_syscall_64+0xcd/0x1e0 [ 181.173347][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.179349][ T5781] [ 181.181733][ T5781] Uninit was stored to memory at: [ 181.186924][ T5781] xts_xor_tweak+0x4ae/0xbf0 [ 181.191598][ T5781] xts_encrypt+0x296/0x550 [ 181.196099][ T5781] crypto_skcipher_encrypt+0x1a0/0x1e0 [ 181.201657][ T5781] fscrypt_crypt_data_unit+0x4ee/0x8f0 [ 181.207226][ T5781] fscrypt_encrypt_pagecache_blocks+0x422/0x900 [ 181.213595][ T5781] ext4_bio_write_folio+0x1377/0x2e50 [ 181.219107][ T5781] mpage_submit_folio+0x360/0x490 [ 181.224248][ T5781] ext4_do_writepages+0x3713/0x62c0 [ 181.229568][ T5781] ext4_writepages+0x312/0x830 [ 181.234431][ T5781] do_writepages+0x427/0xc30 [ 181.239128][ T5781] file_write_and_wait_range+0x6f2/0x7b0 [ 181.244904][ T5781] generic_buffers_fsync_noflush+0x7e/0x3c0 [ 181.250922][ T5781] ext4_sync_file+0x5ae/0x1390 [ 181.255773][ T5781] vfs_fsync_range+0x1f9/0x260 [ 181.260646][ T5781] ext4_buffered_write_iter+0x9a7/0xaa0 [ 181.266338][ T5781] ext4_file_write_iter+0x266/0x3820 [ 181.271742][ T5781] vfs_write+0xb2b/0x1540 [ 181.276184][ T5781] __x64_sys_pwrite64+0x2c5/0x3b0 [ 181.281336][ T5781] x64_sys_call+0xc16/0x3c30 [ 181.286069][ T5781] do_syscall_64+0xcd/0x1e0 [ 181.290715][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.296722][ T5781] [ 181.299091][ T5781] Uninit was created at: [ 181.303468][ T5781] __alloc_pages_noprof+0x9a7/0xe00 [ 181.308773][ T5781] alloc_pages_mpol_noprof+0x299/0x990 [ 181.314426][ T5781] folio_alloc_noprof+0x1db/0x310 [ 181.319548][ T5781] filemap_alloc_folio_noprof+0xa6/0x440 [ 181.325291][ T5781] __filemap_get_folio+0xac4/0x1550 [ 181.330627][ T5781] ext4_write_begin+0x3e5/0x23d0 [ 181.335688][ T5781] ext4_da_write_begin+0x4cd/0xea0 [ 181.340924][ T5781] generic_perform_write+0x4d8/0x1080 [ 181.346496][ T5781] ext4_buffered_write_iter+0x561/0xaa0 [ 181.352153][ T5781] ext4_file_write_iter+0x266/0x3820 [ 181.357690][ T5781] vfs_write+0xb2b/0x1540 [ 181.362155][ T5781] __x64_sys_pwrite64+0x2c5/0x3b0 [ 181.367356][ T5781] x64_sys_call+0xc16/0x3c30 [ 181.372070][ T5781] do_syscall_64+0xcd/0x1e0 [ 181.376747][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.382753][ T5781] [ 181.385137][ T5781] CPU: 1 UID: 0 PID: 5781 Comm: syz-executor375 Not tainted 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 [ 181.396374][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 181.406521][ T5781] ===================================================== [ 181.413508][ T5781] Disabling lock debugging due to kernel taint [ 181.419716][ T5781] Kernel panic - not syncing: kmsan.panic set ... [ 181.426206][ T5781] CPU: 1 UID: 0 PID: 5781 Comm: syz-executor375 Tainted: G B 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0 [ 181.438916][ T5781] Tainted: [B]=BAD_PAGE [ 181.443124][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 181.453269][ T5781] Call Trace: [ 181.456617][ T5781] [ 181.459607][ T5781] dump_stack_lvl+0x216/0x2d0 [ 181.464401][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.470320][ T5781] dump_stack+0x1e/0x24 [ 181.474598][ T5781] panic+0x4e2/0xcf0 [ 181.478638][ T5781] ? kmsan_get_metadata+0xd1/0x1c0 [ 181.483923][ T5781] kmsan_report+0x2c7/0x2d0 [ 181.488522][ T5781] ? is_module_text_address+0x1b3/0x250 [ 181.494198][ T5781] ? __msan_warning+0x95/0x120 [ 181.499086][ T5781] ? aes_encrypt+0x15cc/0x1db0 [ 181.503961][ T5781] ? aesti_encrypt+0x7d/0xf0 [ 181.508666][ T5781] ? crypto_ecb_encrypt2+0x18a/0x300 [ 181.514081][ T5781] ? crypto_lskcipher_crypt_sg+0x36b/0x7f0 [ 181.520019][ T5781] ? crypto_lskcipher_encrypt_sg+0x8a/0xc0 [ 181.525974][ T5781] ? crypto_skcipher_encrypt+0x119/0x1e0 [ 181.531704][ T5781] ? xts_encrypt+0x3c4/0x550 [ 181.536401][ T5781] ? crypto_skcipher_encrypt+0x1a0/0x1e0 [ 181.542158][ T5781] ? fscrypt_crypt_data_unit+0x4ee/0x8f0 [ 181.547965][ T5781] ? fscrypt_encrypt_pagecache_blocks+0x422/0x900 [ 181.554588][ T5781] ? ext4_bio_write_folio+0x1377/0x2e50 [ 181.560263][ T5781] ? mpage_submit_folio+0x360/0x490 [ 181.565563][ T5781] ? ext4_do_writepages+0x3713/0x62c0 [ 181.571070][ T5781] ? ext4_writepages+0x312/0x830 [ 181.576116][ T5781] ? do_writepages+0x427/0xc30 [ 181.580995][ T5781] ? file_write_and_wait_range+0x6f2/0x7b0 [ 181.586989][ T5781] ? generic_buffers_fsync_noflush+0x7e/0x3c0 [ 181.593190][ T5781] ? ext4_sync_file+0x5ae/0x1390 [ 181.598218][ T5781] ? vfs_fsync_range+0x1f9/0x260 [ 181.603264][ T5781] ? ext4_buffered_write_iter+0x9a7/0xaa0 [ 181.609136][ T5781] ? ext4_file_write_iter+0x266/0x3820 [ 181.614754][ T5781] ? vfs_write+0xb2b/0x1540 [ 181.619465][ T5781] ? __x64_sys_pwrite64+0x2c5/0x3b0 [ 181.624781][ T5781] ? x64_sys_call+0xc16/0x3c30 [ 181.629675][ T5781] ? do_syscall_64+0xcd/0x1e0 [ 181.634475][ T5781] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.640660][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.646575][ T5781] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 181.652504][ T5781] ? stack_depot_save_flags+0x66d/0x6e0 [ 181.658180][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.663482][ T5781] ? stack_depot_save+0x12/0x20 [ 181.668527][ T5781] ? kmsan_internal_chain_origin+0xb0/0xd0 [ 181.674475][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.679763][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.685052][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.690958][ T5781] __msan_warning+0x95/0x120 [ 181.695669][ T5781] aes_encrypt+0x15cc/0x1db0 [ 181.700360][ T5781] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 181.706307][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.711660][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.716981][ T5781] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 181.723532][ T5781] aesti_encrypt+0x7d/0xf0 [ 181.728114][ T5781] crypto_ecb_encrypt2+0x18a/0x300 [ 181.733437][ T5781] ? __pfx_aesti_encrypt+0x10/0x10 [ 181.738692][ T5781] crypto_lskcipher_crypt_sg+0x36b/0x7f0 [ 181.744462][ T5781] ? xts_xor_tweak+0x658/0xbf0 [ 181.749324][ T5781] ? __pfx_crypto_ecb_encrypt2+0x10/0x10 [ 181.755094][ T5781] ? __pfx_crypto_ecb_encrypt2+0x10/0x10 [ 181.760964][ T5781] crypto_lskcipher_encrypt_sg+0x8a/0xc0 [ 181.766729][ T5781] crypto_skcipher_encrypt+0x119/0x1e0 [ 181.772319][ T5781] xts_encrypt+0x3c4/0x550 [ 181.776886][ T5781] ? __pfx_xts_encrypt+0x10/0x10 [ 181.781916][ T5781] crypto_skcipher_encrypt+0x1a0/0x1e0 [ 181.787481][ T5781] fscrypt_crypt_data_unit+0x4ee/0x8f0 [ 181.793072][ T5781] fscrypt_encrypt_pagecache_blocks+0x422/0x900 [ 181.799451][ T5781] ext4_bio_write_folio+0x1377/0x2e50 [ 181.804969][ T5781] mpage_submit_folio+0x360/0x490 [ 181.810103][ T5781] ext4_do_writepages+0x3713/0x62c0 [ 181.815436][ T5781] ? __module_address+0x4d/0x630 [ 181.820505][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.825806][ T5781] ? is_module_text_address+0x1b3/0x250 [ 181.831475][ T5781] ? kernel_text_address+0x129/0x1b0 [ 181.836871][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.842287][ T5781] ext4_writepages+0x312/0x830 [ 181.847228][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.853170][ T5781] ? __pfx_ext4_writepages+0x10/0x10 [ 181.858622][ T5781] do_writepages+0x427/0xc30 [ 181.863299][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.868589][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.874508][ T5781] file_write_and_wait_range+0x6f2/0x7b0 [ 181.880291][ T5781] generic_buffers_fsync_noflush+0x7e/0x3c0 [ 181.886323][ T5781] ext4_sync_file+0x5ae/0x1390 [ 181.891193][ T5781] ? __pfx_ext4_sync_file+0x10/0x10 [ 181.896572][ T5781] ? __pfx_ext4_sync_file+0x10/0x10 [ 181.901862][ T5781] vfs_fsync_range+0x1f9/0x260 [ 181.906719][ T5781] ext4_buffered_write_iter+0x9a7/0xaa0 [ 181.912392][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.917707][ T5781] ext4_file_write_iter+0x266/0x3820 [ 181.923121][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.928417][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.934329][ T5781] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 181.940245][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.945537][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.950825][ T5781] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 181.957276][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 181.962578][ T5781] vfs_write+0xb2b/0x1540 [ 181.967054][ T5781] ? ___perf_sw_event+0x690/0x720 [ 181.972271][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.978268][ T5781] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 181.984208][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 181.990148][ T5781] __x64_sys_pwrite64+0x2c5/0x3b0 [ 181.995332][ T5781] x64_sys_call+0xc16/0x3c30 [ 182.000045][ T5781] do_syscall_64+0xcd/0x1e0 [ 182.004727][ T5781] ? clear_bhb_loop+0x25/0x80 [ 182.009533][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.015549][ T5781] RIP: 0033:0x7fd4a9826ad9 [ 182.020036][ T5781] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 182.039767][ T5781] RSP: 002b:00007fff4b09fd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 182.048294][ T5781] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4a9826ad9 [ 182.056351][ T5781] RDX: 000000000000fdef RSI: 0000000020000140 RDI: 0000000000000004 [ 182.064399][ T5781] RBP: 00007fd4a989a5f0 R08: 000055556a7e04c0 R09: 000055556a7e04c0 [ 182.072479][ T5781] R10: 000000000000fecc R11: 0000000000000246 R12: 00007fff4b09fd30 [ 182.080563][ T5781] R13: 00007fff4b09ff58 R14: 431bde82d7b634db R15: 00007fd4a986f03b [ 182.088705][ T5781] [ 182.092073][ T5781] Kernel Offset: disabled [ 182.096470][ T5781] Rebooting in 86400 seconds..