./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1140376614 <...> Warning: Permanently added '10.128.0.73' (ED25519) to the list of known hosts. execve("./syz-executor1140376614", ["./syz-executor1140376614"], 0x7ffe05e68650 /* 10 vars */) = 0 brk(NULL) = 0x55555c9de000 brk(0x55555c9ded00) = 0x55555c9ded00 arch_prctl(ARCH_SET_FS, 0x55555c9de380) = 0 set_tid_address(0x55555c9de650) = 5229 set_robust_list(0x55555c9de660, 24) = 0 rseq(0x55555c9deca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1140376614", 4096) = 28 getrandom("\xcc\x9f\x40\x3e\xed\x9d\xd8\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c9ded00 brk(0x55555c9ffd00) = 0x55555c9ffd00 brk(0x55555ca00000) = 0x55555ca00000 mprotect(0x7f04b409f000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f04aba00000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f04aba00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [ 54.285578][ T5229] loop0: detected capacity change from 0 to 4096 [ 54.329653][ T5229] ======================================================= [ 54.329653][ T5229] WARNING: The mand mount option has been deprecated and [ 54.329653][ T5229] and is ignored by this kernel. Remove the mand [ 54.329653][ T5229] option from the mount to silence this warning. [ 54.329653][ T5229] ======================================================= [ 54.367313][ T5229] ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512). mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "ntfs3", MS_MANDLOCK|MS_NODIRATIME|MS_I_VERSION, "") = 0 openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 54.391799][ T5229] ntfs3: loop0: Failed to load $Extend (-22). [ 54.398090][ T5229] ntfs3: loop0: Failed to initialize $Extend. openat(AT_FDCWD, "hugetlb.2MB.rsvd.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 ioctl(4, FS_IOC_SETFLAGS, [0]) = 0 [ 54.483935][ T5229] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 54.491774][ T5229] #PF: supervisor instruction fetch in kernel mode [ 54.498268][ T5229] #PF: error_code(0x0010) - not-present page [ 54.504241][ T5229] PGD 800000007dab2067 P4D 800000007dab2067 PUD 24bf2067 PMD 0 [ 54.511887][ T5229] Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI [ 54.517958][ T5229] CPU: 1 UID: 0 PID: 5229 Comm: syz-executor114 Not tainted 6.11.0-next-20240927-syzkaller #0 [ 54.528199][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.538350][ T5229] RIP: 0010:0x0 [ 54.541822][ T5229] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 54.549171][ T5229] RSP: 0018:ffffc90002defaf8 EFLAGS: 00010246 [ 54.555403][ T5229] RAX: 1ffffffff187aa0d RBX: ffffffff8c3d5068 RCX: 0000000000000078 [ 54.563366][ T5229] RDX: 0000000000000000 RSI: ffff8880780f8470 RDI: ffff88802f475180 [ 54.571352][ T5229] RBP: ffffc90002defc40 R08: ffffc90002defba0 R09: ffffc90002defbc0 [ 54.579398][ T5229] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 [ 54.587469][ T5229] R13: dffffc0000000000 R14: ffff88802d4c8000 R15: ffff8880780f8564 [ 54.595427][ T5229] FS: 000055555c9de380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 54.604862][ T5229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.611431][ T5229] CR2: ffffffffffffffd6 CR3: 000000007a886000 CR4: 00000000003526f0 [ 54.619479][ T5229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.627544][ T5229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.635518][ T5229] Call Trace: [ 54.638806][ T5229] [ 54.641726][ T5229] ? __die_body+0x5f/0xb0 [ 54.646064][ T5229] ? page_fault_oops+0x8e4/0xcc0 [ 54.650996][ T5229] ? __pfx_page_fault_oops+0x10/0x10 [ 54.656274][ T5229] ? mark_lock+0x51/0x360 [ 54.660593][ T5229] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 54.666566][ T5229] ? rcu_is_watching+0x15/0xb0 [ 54.671316][ T5229] ? is_errata93+0xbe/0x260 [ 54.675811][ T5229] ? exc_page_fault+0x5ed/0x8c0 [ 54.680660][ T5229] ? asm_exc_page_fault+0x26/0x30 [ 54.685678][ T5229] generic_perform_write+0x344/0x6d0 [ 54.690955][ T5229] ? __pfx_generic_perform_write+0x10/0x10 [ 54.696750][ T5229] ? file_update_time+0x2ab/0x450 [ 54.701767][ T5229] ? __generic_file_write_iter+0x102/0x230 [ 54.707562][ T5229] ? ntfs_file_write_iter+0x68f/0x7a0 [ 54.713013][ T5229] ntfs_file_write_iter+0x69c/0x7a0 [ 54.718225][ T5229] vfs_write+0xa6d/0xc90 [ 54.722454][ T5229] ? __pfx_ntfs_file_write_iter+0x10/0x10 [ 54.728159][ T5229] ? __pfx_vfs_write+0x10/0x10 [ 54.732914][ T5229] ? _raw_spin_unlock_irq+0x2e/0x50 [ 54.738111][ T5229] ? fdget_pos+0x265/0x320 [ 54.742526][ T5229] ksys_write+0x183/0x2b0 [ 54.746846][ T5229] ? __pfx_ksys_write+0x10/0x10 [ 54.751683][ T5229] ? do_syscall_64+0x100/0x230 [ 54.756459][ T5229] do_syscall_64+0xf3/0x230 [ 54.760949][ T5229] ? clear_bhb_loop+0x35/0x90 [ 54.765616][ T5229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.771495][ T5229] RIP: 0033:0x7f04b400c7b9 [ 54.775899][ T5229] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 54.795494][ T5229] RSP: 002b:00007ffc26229798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.803898][ T5229] RAX: ffffffffffffffda RBX: 00007ffc26229968 RCX: 00007f04b400c7b9 [ 54.811861][ T5229] RDX: 0000000000000078 RSI: 0000000020000280 RDI: 0000000000000004 [ 54.819821][ T5229] RBP: 00007f04b409f610 R08: 00007ffc26229968 R09: 00007ffc26229968 [ 54.827779][ T5229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.835738][ T5229] R13: 00007ffc26229958 R14: 0000000000000001 R15: 0000000000000001 [ 54.843701][ T5229] [ 54.846716][ T5229] Modules linked in: [ 54.850606][ T5229] CR2: 0000000000000000 [ 54.854741][ T5229] ---[ end trace 0000000000000000 ]--- [ 54.860195][ T5229] RIP: 0010:0x0 [ 54.863648][ T5229] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 54.871093][ T5229] RSP: 0018:ffffc90002defaf8 EFLAGS: 00010246 [ 54.877155][ T5229] RAX: 1ffffffff187aa0d RBX: ffffffff8c3d5068 RCX: 0000000000000078 [ 54.885285][ T5229] RDX: 0000000000000000 RSI: ffff8880780f8470 RDI: ffff88802f475180 [ 54.893245][ T5229] RBP: ffffc90002defc40 R08: ffffc90002defba0 R09: ffffc90002defbc0 [ 54.901206][ T5229] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 [ 54.909164][ T5229] R13: dffffc0000000000 R14: ffff88802d4c8000 R15: ffff8880780f8564 [ 54.917127][ T5229] FS: 000055555c9de380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 54.926131][ T5229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.932705][ T5229] CR2: ffffffffffffffd6 CR3: 000000007a886000 CR4: 00000000003526f0 [ 54.940666][ T5229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.948624][ T5229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.956604][ T5229] Kernel panic - not syncing: Fatal exception [ 54.962780][ T5229] Kernel Offset: disabled [ 54.967111][ T5229] Rebooting in 86400 seconds..