loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. Unable to handle kernel paging request at virtual address 1fff800003550b30 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [1fff800003550b30] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 24261 Comm: syz-executor.4 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] pc : __lock_acquire+0x654/0x30a4 kernel/locking/lockdep.c:5023 lr : mark_usage kernel/locking/lockdep.c:4553 [inline] lr : __lock_acquire+0x630/0x30a4 kernel/locking/lockdep.c:5007 sp : ffff800013c7b6c0 x29: ffff800013c7b7a0 x28: 0000000000000002 x27: ffff00011d6c9ad0 x26: ffff00011d6ca4e0 x25: ffff00011d6ca500 x24: ffff00011d6ca500 x23: 00000000000000c0 x22: 0000000000000001 x21: 0000000000000000 x20: ffff00011d6c9a80 x19: 555554aaac22ccce x18: 00000000000000c0 x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff00011d6c9a80 x14: 0000000000000055 x13: ffff80000819fab0 x12: 0000000000040000 x11: ffff80000dd0b198 x10: ffff80000dd0b198 x9 : 1ffffffff5845998 x8 : 0000000000000000 x7 : ffff800008846f1c x6 : ffff800008011548 x5 : 481501080080ffff x4 : ffff800008011548 x3 : 481501080080ffff x2 : 0000000000000008 x1 : ffff00011d6ca4e0 x0 : 0000000000000001 Call trace: generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] __lock_acquire+0x654/0x30a4 kernel/locking/lockdep.c:5023 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666 down_write+0x5c/0xcc kernel/locking/rwsem.c:1552 ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] ext4_xattr_set_handle+0xd0/0x994 fs/ext4/xattr.c:2309 ext4_xattr_set+0x100/0x1d0 fs/ext4/xattr.c:2495 ext4_xattr_trusted_set+0x4c/0x64 fs/ext4/xattr_trusted.c:38 __vfs_setxattr+0x250/0x260 fs/xattr.c:182 __vfs_setxattr_noperm+0xcc/0x320 fs/xattr.c:216 __vfs_setxattr_locked+0x16c/0x194 fs/xattr.c:277 vfs_setxattr+0x174/0x280 fs/xattr.c:313 do_setxattr fs/xattr.c:600 [inline] setxattr fs/xattr.c:623 [inline] path_setxattr+0x354/0x414 fs/xattr.c:642 __do_sys_setxattr fs/xattr.c:658 [inline] __se_sys_setxattr fs/xattr.c:654 [inline] __arm64_sys_setxattr+0x2c/0x40 fs/xattr.c:654 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: 350000e8 93407e69 d343fd29 927de529 (f8696949) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 350000e8 cbnz w8, 0x1c 4: 93407e69 sxtw x9, w19 8: d343fd29 lsr x9, x9, #3 c: 927de529 and x9, x9, #0x1ffffffffffffff8 * 10: f8696949 ldr x9, [x10, x9] <-- trapping instruction