gfs2: fsid=syz:syz.0: H: s:?? f:aEWs e:-65536 p:0 [(none)] 0xffff0001b3cd6b78 Unable to handle kernel paging request at virtual address e3ff7c00034e80da KASAN: maybe wild-memory-access in range [0x1fffe0001a7406d0-0x1fffe0001a7406d7] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [e3ff7c00034e80da] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4813 Comm: syz.3.103 Not tainted 6.1.130-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : string_nocheck lib/vsprintf.c:643 [inline] pc : string+0x16c/0x264 lib/vsprintf.c:725 lr : string_nocheck lib/vsprintf.c:642 [inline] lr : string+0x14c/0x264 lib/vsprintf.c:725 sp : ffff800022aa6880 x29: ffff800022aa6880 x28: ffff8000128c2ffe x27: fffffffffffffffe x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 1fffe0001a7406d5 x22: ffffffffffffffff x21: ffff0a00ffffff04 x20: ffff800022aa6dd0 x19: ffff800022aa6d98 x18: ffff800022aa6620 x17: 66667830205d2965 x16: ffff8000084f4078 x15: 0000000000000000 x14: 0000000000000012 x13: ffff0000d1099bc0 x12: 0000000000ff0100 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000005 x8 : 03fffc00034e80da x7 : 0000000000000000 x6 : ffff800022aa7480 x5 : ffff800022aa6aa0 x4 : 0000000000000000 x3 : ffff0a00ffffff04 x2 : 1fffe0001a7406d5 x1 : 00000000ffffffff x0 : 1fffe0001a7406d5 Call trace: string_nocheck lib/vsprintf.c:643 [inline] string+0x16c/0x264 lib/vsprintf.c:725 vsnprintf+0xe9c/0x1a8c lib/vsprintf.c:2805 va_format lib/vsprintf.c:1685 [inline] pointer+0x7b0/0xdc8 lib/vsprintf.c:2436 vsnprintf+0xef8/0x1a8c lib/vsprintf.c:2809 vprintk_store+0x3ec/0xea8 kernel/printk/printk.c:2187 vprintk_emit+0x110/0x2e8 kernel/printk/printk.c:2284 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2318 vprintk+0x200/0x2d4 kernel/printk/printk_safe.c:45 _printk+0xdc/0x128 kernel/printk/printk.c:2328 gfs2_print_dbg+0x198/0x1a0 fs/gfs2/glock.c:1458 dump_holder fs/gfs2/glock.c:2335 [inline] gfs2_dump_glock+0xf3c/0x1558 fs/gfs2/glock.c:2440 gfs2_consist_inode_i+0xe8/0x10c fs/gfs2/util.c:467 gfs2_dirent_scan+0x458/0x584 fs/gfs2/dir.c:602 gfs2_dir_read+0x6b4/0x1624 fs/gfs2/dir.c:1599 gfs2_readdir+0x164/0x1c4 fs/gfs2/file.c:115 iterate_dir+0x1f4/0x4ec __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: d10006db 8b1902e0 d343fc08 12000809 (38fa6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d10006db sub x27, x22, #0x1 4: 8b1902e0 add x0, x23, x25 8: d343fc08 lsr x8, x0, #3 c: 12000809 and w9, w0, #0x7 * 10: 38fa6908 ldrsb w8, [x8, x26] <-- trapping instruction