./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4245108447 <...> Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts. execve("./syz-executor4245108447", ["./syz-executor4245108447"], 0x7ffccf953be0 /* 10 vars */) = 0 brk(NULL) = 0x55556ac83000 brk(0x55556ac83d00) = 0x55556ac83d00 arch_prctl(ARCH_SET_FS, 0x55556ac83380) = 0 set_tid_address(0x55556ac83650) = 5826 set_robust_list(0x55556ac83660, 24) = 0 rseq(0x55556ac83ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4245108447", 4096) = 28 getrandom("\x73\x38\xca\x8b\x19\xb1\x97\x64", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ac83d00 brk(0x55556aca4d00) = 0x55556aca4d00 brk(0x55556aca5000) = 0x55556aca5000 mprotect(0x7efe0070f000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.CVUP8O", 0700) = 0 chmod("./syzkaller.CVUP8O", 0777) = 0 chdir("./syzkaller.CVUP8O") = 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 5827 attached [pid 5827] set_robust_list(0x55556ac83660, 24) = 0 [pid 5827] chdir("./0" [pid 5826] <... clone resumed>, child_tidptr=0x55556ac83650) = 5827 [pid 5827] <... chdir resumed>) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] setpgid(0, 0) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1000", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5827] write(1, "executing program\n", 18executing program ) = 18 [pid 5827] memfd_create("syzkaller", 0) = 3 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efdf8200000 [pid 5827] 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 5827] munmap(0x7efdf8200000, 138412032) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5827] close(3) = 0 [pid 5827] close(4) = 0 [pid 5827] mkdir("./file0", 0777) = 0 [ 91.532914][ T5827] loop0: detected capacity change from 0 to 32768 [ 91.564838][ T5827] ======================================================= [ 91.564838][ T5827] WARNING: The mand mount option has been deprecated and [pid 5827] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp855,errors=remount-ro,integrity,nodiscard,discard=0x0000000000000008,errors=cont"...) = 0 [pid 5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5827] chdir("./file0") = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 91.564838][ T5827] and is ignored by this kernel. Remove the mand [ 91.564838][ T5827] option from the mount to silence this warning. [ 91.564838][ T5827] ======================================================= [pid 5827] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 040) = 4 [pid 5827] exit_group(0) = ? [pid 5827] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 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, 0x55556ac846f0 /* 4 entries */, 32768) = 112 [ 91.661033][ T117] ------------[ cut here ]------------ [ 91.666885][ T117] WARNING: CPU: 0 PID: 117 at fs/jfs/jfs_dmap.c:2863 dbAdjTree+0x454/0x4e0 [ 91.675611][ T117] Modules linked in: [ 91.679753][ T117] CPU: 0 UID: 0 PID: 117 Comm: jfsCommit Not tainted 6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 PREEMPT(full) [ 91.691700][ T117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 91.701839][ T117] RIP: 0010:dbAdjTree+0x454/0x4e0 [ 91.706980][ T117] Code: 5a ff ff ff e8 7d 30 88 fe eb 05 e8 76 30 88 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 5d 30 88 fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff [ 91.726672][ T117] RSP: 0018:ffffc90002e37a28 EFLAGS: 00010293 [ 91.732768][ T117] RAX: ffffffff8337c083 RBX: ffff8880315c8010 RCX: ffff88801dfd5a00 [ 91.740837][ T117] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 [ 91.751115][ T117] RBP: 0000000000020056 R08: ffffea0000c57207 R09: 1ffffd400018ae40 [ 91.759528][ T117] R10: dffffc0000000000 R11: fffff9400018ae41 R12: ffff8880315c8018 [ 91.767827][ T117] R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 [ 91.776843][ T117] FS: 0000000000000000(0000) GS:ffff8881260f6000(0000) knlGS:0000000000000000 [ 91.785801][ T117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.792472][ T117] CR2: 000000000045bdd0 CR3: 000000007d2e4000 CR4: 00000000003526f0 [ 91.800513][ T117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.809708][ T117] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.818113][ T117] Call Trace: [ 91.821399][ T117] [ 91.824532][ T117] ? __pfx_lock_metapage+0x10/0x10 [ 91.829891][ T117] dbJoin+0x238/0x300 [ 91.834241][ T117] ? do_read_cache_folio+0x4ca/0x590 [ 91.839771][ T117] dbFreeBits+0x4e1/0xdb0 [ 91.844157][ T117] dbFree+0x336/0x650 [ 91.848209][ T117] txFreeMap+0x7ff/0xde0 [ 91.852507][ T117] txUpdateMap+0x308/0x9c0 [ 91.857021][ T117] jfs_lazycommit+0x43f/0xa90 [ 91.861731][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 91.867000][ T117] ? __pfx_default_wake_function+0x10/0x10 [ 91.872849][ T117] ? __kthread_parkme+0x7b/0x200 [ 91.877886][ T117] ? __kthread_parkme+0x1a1/0x200 [ 91.882947][ T117] kthread+0x711/0x8a0 [ 91.887804][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 91.893049][ T117] ? __pfx_kthread+0x10/0x10 [ 91.897716][ T117] ? __pfx_kthread+0x10/0x10 [ 91.902347][ T117] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.907625][ T117] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.912856][ T117] ? __pfx_kthread+0x10/0x10 [ 91.917511][ T117] ret_from_fork+0x4b/0x80 [ 91.921948][ T117] ? __pfx_kthread+0x10/0x10 [ 91.926642][ T117] ret_from_fork_asm+0x1a/0x30 [ 91.931447][ T117] [ 91.934466][ T117] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.941830][ T117] CPU: 0 UID: 0 PID: 117 Comm: jfsCommit Not tainted 6.15.0-rc7-syzkaller-00007-g4a95bc121ccd #0 PREEMPT(full) [ 91.953734][ T117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 91.963788][ T117] Call Trace: [ 91.967070][ T117] [ 91.970195][ T117] dump_stack_lvl+0x99/0x250 [ 91.975425][ T117] ? __asan_memcpy+0x40/0x70 [ 91.980059][ T117] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.985350][ T117] ? __pfx__printk+0x10/0x10 [ 91.989983][ T117] panic+0x2db/0x790 [ 91.993892][ T117] ? __pfx_panic+0x10/0x10 [ 91.998311][ T117] ? show_trace_log_lvl+0x4fb/0x550 [ 92.003519][ T117] ? ret_from_fork_asm+0x1a/0x30 [ 92.008472][ T117] __warn+0x31b/0x4b0 [ 92.012470][ T117] ? dbAdjTree+0x454/0x4e0 [ 92.016888][ T117] ? dbAdjTree+0x454/0x4e0 [ 92.021302][ T117] report_bug+0x2be/0x4f0 [ 92.025631][ T117] ? dbAdjTree+0x454/0x4e0 [ 92.030046][ T117] ? dbAdjTree+0x454/0x4e0 [ 92.034461][ T117] ? dbAdjTree+0x456/0x4e0 [ 92.038890][ T117] handle_bug+0x84/0x160 [ 92.043165][ T117] exc_invalid_op+0x1a/0x50 [ 92.047686][ T117] asm_exc_invalid_op+0x1a/0x20 [ 92.052539][ T117] RIP: 0010:dbAdjTree+0x454/0x4e0 [ 92.057571][ T117] Code: 5a ff ff ff e8 7d 30 88 fe eb 05 e8 76 30 88 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 5d 30 88 fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff [ 92.077209][ T117] RSP: 0018:ffffc90002e37a28 EFLAGS: 00010293 [ 92.083298][ T117] RAX: ffffffff8337c083 RBX: ffff8880315c8010 RCX: ffff88801dfd5a00 [ 92.091278][ T117] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 [ 92.099453][ T117] RBP: 0000000000020056 R08: ffffea0000c57207 R09: 1ffffd400018ae40 [ 92.107440][ T117] R10: dffffc0000000000 R11: fffff9400018ae41 R12: ffff8880315c8018 [ 92.115514][ T117] R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 [ 92.123679][ T117] ? dbAdjTree+0x453/0x4e0 [ 92.128120][ T117] ? dbAdjTree+0x453/0x4e0 [ 92.132740][ T117] ? __pfx_lock_metapage+0x10/0x10 [ 92.137894][ T117] dbJoin+0x238/0x300 [ 92.141954][ T117] ? do_read_cache_folio+0x4ca/0x590 [ 92.147343][ T117] dbFreeBits+0x4e1/0xdb0 [ 92.152220][ T117] dbFree+0x336/0x650 [ 92.156407][ T117] txFreeMap+0x7ff/0xde0 [ 92.161220][ T117] txUpdateMap+0x308/0x9c0 [ 92.165758][ T117] jfs_lazycommit+0x43f/0xa90 [ 92.171235][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 92.176442][ T117] ? __pfx_default_wake_function+0x10/0x10 [ 92.182442][ T117] ? __kthread_parkme+0x7b/0x200 [ 92.189402][ T117] ? __kthread_parkme+0x1a1/0x200 [ 92.194435][ T117] kthread+0x711/0x8a0 [ 92.198515][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 92.203719][ T117] ? __pfx_kthread+0x10/0x10 [ 92.208328][ T117] ? __pfx_kthread+0x10/0x10 [ 92.212922][ T117] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.218129][ T117] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.223337][ T117] ? __pfx_kthread+0x10/0x10 [ 92.227944][ T117] ret_from_fork+0x4b/0x80 [ 92.232367][ T117] ? __pfx_kthread+0x10/0x10 [ 92.236965][ T117] ret_from_fork_asm+0x1a/0x30 [ 92.241757][ T117] [ 92.245082][ T117] Kernel Offset: disabled [ 92.249416][ T117] Rebooting in 86400 seconds..