./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3404742663 <...> Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. execve("./syz-executor3404742663", ["./syz-executor3404742663"], 0x7ffcf72f6b90 /* 10 vars */) = 0 brk(NULL) = 0x55558e2ec000 brk(0x55558e2ecd00) = 0x55558e2ecd00 arch_prctl(ARCH_SET_FS, 0x55558e2ec380) = 0 set_tid_address(0x55558e2ec650) = 5837 set_robust_list(0x55558e2ec660, 24) = 0 rseq(0x55558e2ecca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3404742663", 4096) = 28 getrandom("\xc0\x7b\x9c\x42\x0d\xd9\x3c\xd7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e2ecd00 brk(0x55558e30dd00) = 0x55558e30dd00 brk(0x55558e30e000) = 0x55558e30e000 mprotect(0x7f0def849000, 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 mkdir("./syzkaller.XRqI82", 0700) = 0 chmod("./syzkaller.XRqI82", 0777) = 0 chdir("./syzkaller.XRqI82") = 0 mkdir("./0", 0777) = 0 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 5838 attached [pid 5838] set_robust_list(0x55558e2ec660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x55558e2ec650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] chdir("./0") = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5838] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0de7200000 [pid 5838] 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"..., 16777216) = 16777216 [pid 5838] munmap(0x7f0de7200000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5838] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5838] close(3) = 0 [pid 5838] close(4) = 0 [pid 5838] mkdir("./file0", 0777) = 0 [pid 5838] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_REC|MS_SILENT|MS_POSIXACL|MS_STRICTATIME, "discard,discard=0x0000000000000001,integrity,uid=0x0000000000000000,errors=remount-ro,nodiscard,uid="...) = 0 [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5838] chdir("./file0") = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 62.229838][ T5838] loop0: detected capacity change from 0 to 32768 [pid 5838] write(4, "\x08\x00\x00\x00\x85\xf0\x80\xa4\x93\x3d\x55\x26\x6e\x07\xe7\x99\xaa\x0c\xc4\x21\x38\x82\x42\xdf\x2a\x3c\x6b\x63\x1b\x65\xb1\xc0\x61\xed\xd2\xaa\x10\x8c\x35\x28\xfe\x9b\x0b\xb3\xa5\x3a\xb1\x20\x0f\x5d\x01\xa6\x8a\x4a\xcd\xec\x8f\xee\x09\x64\x82\x22\xf9\x08\xc1\xfe\xdc\x30\x00\x34\x2e\x61\x39\xde\x28\x36\x6c\x13\x50\x93\x06\xd0\x0e\xbc\xc6\x74\x97\x18\x1a\xc9\x16\xdb\x98\xaf\x9d\x36\x6b\x76\xe4\x27"..., 4102) = 4102 [pid 5838] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 EIO (Input/output error) [pid 5838] exit_group(0) = ? [pid 5838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558e2ed6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 62.304855][ T5838] read_mapping_page failed! [ 62.309549][ T5838] ERROR: (device loop0): txCommit: [ 62.309549][ T5838] [ 62.318313][ T5838] ERROR: (device loop0): remounting filesystem as read-only newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 62.396848][ T5837] ------------[ cut here ]------------ [ 62.402393][ T5837] kernel BUG at fs/jfs/inode.c:169! [ 62.407742][ T5837] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.414700][ T5837] CPU: 0 UID: 0 PID: 5837 Comm: syz-executor340 Not tainted 6.12.0-rc7-syzkaller-00192-gb5a24181e461 #0 [ 62.425792][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 62.435847][ T5837] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.441381][ T5837] Code: df e8 50 fc d5 fe e9 1d fe ff ff e8 66 41 6f fe 48 c7 c7 40 49 d5 8e 4c 89 ee e8 57 0a c8 01 e9 92 fd ff ff e8 4d 41 6f fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.461078][ T5837] RSP: 0018:ffffc90003c67998 EFLAGS: 00010293 [ 62.467142][ T5837] RAX: ffffffff8325a863 RBX: ffff888076a8aed0 RCX: ffff88807f0ada00 [ 62.475101][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888076a8b248 [ 62.483055][ T5837] RBP: ffffc90003c67b10 R08: ffffffff82314aa3 R09: 1ffffffff285351a [ 62.491010][ T5837] R10: dffffc0000000000 R11: ffffffff83258590 R12: ffff888076a8b248 [ 62.498965][ T5837] R13: ffff888076a8b2c8 R14: dffffc0000000000 R15: ffff888076a8a198 [ 62.507004][ T5837] FS: 000055558e2ec380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.515916][ T5837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.522475][ T5837] CR2: 000055558e2f56f8 CR3: 0000000033d8c000 CR4: 00000000003526f0 [ 62.530428][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.538378][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.546336][ T5837] Call Trace: [ 62.549613][ T5837] [ 62.552551][ T5837] ? __die_body+0x5f/0xb0 [ 62.556912][ T5837] ? die+0x9e/0xc0 [ 62.560610][ T5837] ? do_trap+0x15a/0x3a0 [ 62.564838][ T5837] ? jfs_evict_inode+0x434/0x440 [ 62.569761][ T5837] ? do_error_trap+0x1dc/0x2c0 [ 62.574507][ T5837] ? jfs_evict_inode+0x434/0x440 [ 62.579427][ T5837] ? __pfx_do_error_trap+0x10/0x10 [ 62.584521][ T5837] ? handle_invalid_op+0x34/0x40 [ 62.589459][ T5837] ? jfs_evict_inode+0x434/0x440 [ 62.594402][ T5837] ? exc_invalid_op+0x38/0x50 [ 62.599072][ T5837] ? asm_exc_invalid_op+0x1a/0x20 [ 62.604078][ T5837] ? __pfx_jfs_get_dquots+0x10/0x10 [ 62.609259][ T5837] ? dquot_drop+0x43/0x160 [ 62.613661][ T5837] ? jfs_evict_inode+0x433/0x440 [ 62.618585][ T5837] ? jfs_evict_inode+0x434/0x440 [ 62.623504][ T5837] ? jfs_evict_inode+0x433/0x440 [ 62.628422][ T5837] ? __pfx_jfs_evict_inode+0x10/0x10 [ 62.633689][ T5837] evict+0x4e8/0x9b0 [ 62.637567][ T5837] ? __pfx_evict+0x10/0x10 [ 62.641980][ T5837] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.647175][ T5837] ? list_lru_del_obj+0x3b5/0x400 [ 62.652179][ T5837] evict_inodes+0x6f6/0x790 [ 62.656668][ T5837] ? __pfx_evict_inodes+0x10/0x10 [ 62.661687][ T5837] ? dput+0x37/0x2b0 [ 62.665560][ T5837] generic_shutdown_super+0xa0/0x2d0 [ 62.670823][ T5837] kill_block_super+0x44/0x90 [ 62.675485][ T5837] deactivate_locked_super+0xc4/0x130 [ 62.680843][ T5837] cleanup_mnt+0x41f/0x4b0 [ 62.685238][ T5837] ? lockdep_hardirqs_on+0x99/0x150 [ 62.690414][ T5837] task_work_run+0x24f/0x310 [ 62.694984][ T5837] ? __pfx_task_work_run+0x10/0x10 [ 62.700069][ T5837] ? path_umount+0x284/0xf70 [ 62.704644][ T5837] ptrace_notify+0x2d2/0x380 [ 62.709216][ T5837] ? __pfx_path_umount+0x10/0x10 [ 62.714137][ T5837] ? __pfx_ptrace_notify+0x10/0x10 [ 62.719229][ T5837] ? __x64_sys_umount+0x123/0x170 [ 62.724234][ T5837] ? __pfx___x64_sys_umount+0x10/0x10 [ 62.729603][ T5837] syscall_exit_work+0xc6/0x190 [ 62.734438][ T5837] syscall_exit_to_user_mode+0x279/0x370 [ 62.740051][ T5837] do_syscall_64+0x100/0x230 [ 62.744652][ T5837] ? clear_bhb_loop+0x35/0x90 [ 62.749311][ T5837] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.755184][ T5837] RIP: 0033:0x7f0def7cf5c7 [ 62.759592][ T5837] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 62.779179][ T5837] RSP: 002b:00007ffc8e2008b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 62.787571][ T5837] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0def7cf5c7 [ 62.795521][ T5837] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc8e200970 [ 62.803471][ T5837] RBP: 00007ffc8e200970 R08: 0000000000000000 R09: 0000000000000000 [ 62.811424][ T5837] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc8e2019e0 [ 62.819375][ T5837] R13: 000055558e2ed6c0 R14: 431bde82d7b634db R15: 00007ffc8e201a00 [ 62.827332][ T5837] [ 62.830330][ T5837] Modules linked in: [ 62.834385][ T5837] ---[ end trace 0000000000000000 ]--- [ 62.839920][ T5837] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.845544][ T5837] Code: df e8 50 fc d5 fe e9 1d fe ff ff e8 66 41 6f fe 48 c7 c7 40 49 d5 8e 4c 89 ee e8 57 0a c8 01 e9 92 fd ff ff e8 4d 41 6f fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.865342][ T5837] RSP: 0018:ffffc90003c67998 EFLAGS: 00010293 [ 62.871603][ T5837] RAX: ffffffff8325a863 RBX: ffff888076a8aed0 RCX: ffff88807f0ada00 [ 62.879617][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888076a8b248 [ 62.887723][ T5837] RBP: ffffc90003c67b10 R08: ffffffff82314aa3 R09: 1ffffffff285351a [ 62.895734][ T5837] R10: dffffc0000000000 R11: ffffffff83258590 R12: ffff888076a8b248 [ 62.903746][ T5837] R13: ffff888076a8b2c8 R14: dffffc0000000000 R15: ffff888076a8a198 [ 62.911707][ T5837] FS: 000055558e2ec380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.920665][ T5837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.927284][ T5837] CR2: 000055558e2f56f8 CR3: 0000000033d8c000 CR4: 00000000003526f0 [ 62.935280][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.943303][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.951527][ T5837] Kernel panic - not syncing: Fatal exception [ 62.957885][ T5837] Kernel Offset: disabled [ 62.962218][ T5837] Rebooting in 86400 seconds..