./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2848816225 <...> Warning: Permanently added '10.128.10.6' (ED25519) to the list of known hosts. execve("./syz-executor2848816225", ["./syz-executor2848816225"], 0x7ffc6761b550 /* 10 vars */) = 0 brk(NULL) = 0x555555ef7000 brk(0x555555ef7d00) = 0x555555ef7d00 arch_prctl(ARCH_SET_FS, 0x555555ef7380) = 0 set_tid_address(0x555555ef7650) = 5002 set_robust_list(0x555555ef7660, 24) = 0 rseq(0x555555ef7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2848816225", 4096) = 28 getrandom("\xb0\x5a\xbe\x6b\xeb\xb5\x7e\x9f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ef7d00 brk(0x555555f18d00) = 0x555555f18d00 brk(0x555555f19000) = 0x555555f19000 mprotect(0x7f9281864000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9279200000 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"..., 32768) = 32768 [ 101.651222][ T28] audit: type=1400 audit(1705492546.409:86): avc: denied { execmem } for pid=5002 comm="syz-executor284" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 munmap(0x7f9279200000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 101.727170][ T28] audit: type=1400 audit(1705492546.479:87): avc: denied { read write } for pid=5002 comm="syz-executor284" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 101.740764][ T5002] loop0: detected capacity change from 0 to 64 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 [ 101.751501][ T28] audit: type=1400 audit(1705492546.479:88): avc: denied { open } for pid=5002 comm="syz-executor284" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 101.751554][ T28] audit: type=1400 audit(1705492546.499:89): avc: denied { ioctl } for pid=5002 comm="syz-executor284" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 101.834338][ T28] audit: type=1400 audit(1705492546.589:90): avc: denied { mounton } for pid=5002 comm="syz-executor284" path=2F726F6F742F131377C5FC35D41454D5D41D29AD1A6029598146E6BE166E41AD0DBD4054033C9F33BBDA8224A2F3D772E7636E48B33CBF708372E8F1B9933EC5127743BE2206209EF02DF9CBF2F6E880D338 dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 101.841110][ T5002] general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN [ 101.882469][ T5002] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 101.890871][ T5002] CPU: 0 PID: 5002 Comm: syz-executor284 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 [ 101.900952][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 101.910989][ T5002] RIP: 0010:hfs_find_init+0x74/0x220 [ 101.916277][ T5002] Code: c1 ea 03 80 3c 02 00 0f 85 9c 01 00 00 4c 8d 6b 40 48 c7 45 18 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 00 00 8b 43 40 be c0 0c [ 101.935882][ T5002] RSP: 0018:ffffc900032374a0 EFLAGS: 00010202 [ 101.942213][ T5002] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825d1fd2 [ 101.950185][ T5002] RDX: 0000000000000008 RSI: ffffffff825c3105 RDI: ffffc90003237518 [ 101.958240][ T5002] RBP: ffffc90003237500 R08: 0000000000000004 R09: 0000000000000000 [ 101.966206][ T5002] R10: 0000000000000000 R11: ffffffff81ddd204 R12: 0000000000000000 [ 101.974172][ T5002] R13: 0000000000000040 R14: ffff88802946014a R15: 0000000000000000 [ 101.982154][ T5002] FS: 0000555555ef7380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 101.991087][ T5002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.997671][ T5002] CR2: 00007f354726ad00 CR3: 0000000028a0d000 CR4: 00000000003506f0 [ 102.005640][ T5002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.013608][ T5002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.021575][ T5002] Call Trace: [ 102.024854][ T5002] [ 102.027778][ T5002] ? show_regs+0x8f/0xa0 [ 102.032027][ T5002] ? die_addr+0x4f/0xd0 [ 102.036208][ T5002] ? exc_general_protection+0x155/0x230 [ 102.041761][ T5002] ? asm_exc_general_protection+0x26/0x30 [ 102.047485][ T5002] ? kasan_save_track+0x14/0x30 [ 102.052334][ T5002] ? hfs_ext_read_extent+0x112/0x9d0 [ 102.057619][ T5002] ? hfs_find_init+0x15/0x220 [ 102.062291][ T5002] ? hfs_find_init+0x74/0x220 [ 102.066964][ T5002] hfs_ext_read_extent+0x19c/0x9d0 [ 102.072077][ T5002] ? hfs_free_extents+0x2f0/0x2f0 [ 102.077102][ T5002] ? spin_bug+0x1d0/0x1d0 [ 102.081438][ T5002] hfs_get_block+0x55b/0x820 [ 102.086033][ T5002] block_read_full_folio+0x38f/0xa60 [ 102.091316][ T5002] ? hfs_extend_file+0xb10/0xb10 [ 102.096259][ T5002] ? decrypt_bh+0x480/0x480 [ 102.100763][ T5002] ? folio_add_lru+0x451/0x7f0 [ 102.105531][ T5002] ? hfs_writepages+0x30/0x30 [ 102.110214][ T5002] filemap_read_folio+0xe9/0x2c0 [ 102.115162][ T5002] ? __folio_lock_killable+0x20/0x20 [ 102.120449][ T5002] ? __filemap_get_folio+0x2b0/0xaa0 [ 102.125736][ T5002] ? hfs_btree_open+0x615/0x1050 [ 102.130674][ T5002] do_read_cache_folio+0x205/0x540 [ 102.135788][ T5002] ? hfs_writepages+0x30/0x30 [ 102.140463][ T5002] read_cache_page+0x5b/0x160 [ 102.145151][ T5002] hfs_btree_open+0x662/0x1050 [ 102.149919][ T5002] hfs_mdb_get+0x15d0/0x2020 [ 102.154512][ T5002] ? hfs_mdb_put+0x380/0x380 [ 102.159107][ T5002] ? lockdep_init_map_type+0x16d/0x7d0 [ 102.164578][ T5002] ? lockdep_init_map_type+0x16d/0x7d0 [ 102.170051][ T5002] ? __raw_spin_lock_init+0x3a/0x110 [ 102.175354][ T5002] hfs_fill_super+0xb1e/0x16e0 [ 102.180124][ T5002] ? hfs_remount+0x2c0/0x2c0 [ 102.184715][ T5002] ? vsnprintf+0x40f/0x1870 [ 102.189223][ T5002] ? vsprintf+0x30/0x30 [ 102.193383][ T5002] ? sb_set_blocksize+0xf6/0x120 [ 102.198327][ T5002] ? hfs_remount+0x2c0/0x2c0 [ 102.202917][ T5002] ? mount_bdev+0x1df/0x2d0 [ 102.207417][ T5002] mount_bdev+0x1df/0x2d0 [ 102.211746][ T5002] ? sget+0x640/0x640 [ 102.215747][ T5002] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 102.221403][ T5002] ? cap_capable+0x1cf/0x230 [ 102.225999][ T5002] ? hfs_statfs+0x4b0/0x4b0 [ 102.230509][ T5002] legacy_get_tree+0x109/0x220 [ 102.235284][ T5002] vfs_get_tree+0x8c/0x370 [ 102.239706][ T5002] path_mount+0x14e6/0x1f20 [ 102.244228][ T5002] ? kmem_cache_free+0x129/0x350 [ 102.249171][ T5002] ? finish_automount+0xa40/0xa40 [ 102.254309][ T5002] ? putname+0x12e/0x170 [ 102.258570][ T5002] __x64_sys_mount+0x293/0x310 [ 102.263348][ T5002] ? copy_mnt_ns+0x9f0/0x9f0 [ 102.267947][ T5002] ? _raw_spin_unlock_irq+0x2e/0x50 [ 102.273147][ T5002] ? ptrace_notify+0xf4/0x130 [ 102.277843][ T5002] do_syscall_64+0xd3/0x250 [ 102.282369][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 102.288283][ T5002] RIP: 0033:0x7f92817f28fa [ 102.292695][ T5002] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 102.312315][ T5002] RSP: 002b:00007ffe6a2788e8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 102.320732][ T5002] RAX: ffffffffffffffda RBX: 00007ffe6a278900 RCX: 00007f92817f28fa [ 102.328703][ T5002] RDX: 0000000020000000 RSI: 00000000200001c0 RDI: 00007ffe6a278900 [ 102.336673][ T5002] RBP: 0000000000000004 R08: 00007ffe6a278940 R09: 00000000000002d8 [ 102.344653][ T5002] R10: 000000000300041c R11: 0000000000000286 R12: 000000000300041c [ 102.352635][ T5002] R13: 00007ffe6a278940 R14: 0000000000000003 R15: 0000000000008000 [ 102.360614][ T5002] [ 102.363635][ T5002] Modules linked in: [ 102.368872][ T5002] ---[ end trace 0000000000000000 ]--- [ 102.375418][ T5002] RIP: 0010:hfs_find_init+0x74/0x220 [ 102.380884][ T5002] Code: c1 ea 03 80 3c 02 00 0f 85 9c 01 00 00 4c 8d 6b 40 48 c7 45 18 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 00 00 8b 43 40 be c0 0c [ 102.400655][ T5002] RSP: 0018:ffffc900032374a0 EFLAGS: 00010202 [ 102.406710][ T5002] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825d1fd2 [ 102.414697][ T5002] RDX: 0000000000000008 RSI: ffffffff825c3105 RDI: ffffc90003237518 [ 102.422711][ T5002] RBP: ffffc90003237500 R08: 0000000000000004 R09: 0000000000000000 [ 102.430740][ T5002] R10: 0000000000000000 R11: ffffffff81ddd204 R12: 0000000000000000 [ 102.438721][ T5002] R13: 0000000000000040 R14: ffff88802946014a R15: 0000000000000000 [ 102.446817][ T5002] FS: 0000555555ef7380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 102.455970][ T5002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.462608][ T5002] CR2: 0000564ddba16000 CR3: 0000000028a0d000 CR4: 00000000003506f0 [ 102.470643][ T5002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.478610][ T5002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.486637][ T5002] Kernel panic - not syncing: Fatal exception [ 102.492982][ T5002] Kernel Offset: disabled [ 102.497650][ T5002] Rebooting in 86400 seconds..