WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= Unable to handle kernel paging request at virtual address dfff800000000008 KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] 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 [dfff800000000008] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4215 Comm: syz-executor207 Not tainted 6.1.28-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] pc : txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:366 lr : txBegin+0x104/0x5e0 fs/jfs/jfs_txnmgr.c:357 sp : ffff80001d957660 x29: ffff80001d957680 x28: dfff800000000000 x27: dfff800000000000 x26: ffff800015b30a08 x25: 0000000000000040 x24: 0000000000000000 x23: ffff800015b2e360 x22: ffff0000cd8eee30 x21: 0000000000000150 x20: 0000000000000008 x19: 0000000000000000 x18: ffff80001d957360 x17: ffff800008ad9574 x16: ffff80000831de80 x15: 000000000000b3dc x14: 000000002e93d417 x13: dfff800000000000 x12: ffff700003b2aeb4 x11: ff808000099b9870 x10: 0000000000000000 x9 : ffff0000d63d8000 x8 : 1ffff00002b64638 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018738ac8 x4 : 0000000000000008 x3 : ffff80000831dfb0 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:362 __jfs_xattr_set+0xc8/0x190 fs/jfs/xattr.c:915 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:941 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277 vfs_setxattr+0x1a8/0x344 fs/xattr.c:309 do_setxattr fs/xattr.c:594 [inline] setxattr+0x230/0x294 fs/xattr.c:617 path_setxattr+0x17c/0x258 fs/xattr.c:636 __do_sys_setxattr fs/xattr.c:652 [inline] __se_sys_setxattr fs/xattr.c:648 [inline] __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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:581 Code: 9400012e aa1703e0 9595737d 350002f8 (387c6a88) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 9400012e bl 0x4b8 4: aa1703e0 mov x0, x23 8: 9595737d bl 0x655cdfc c: 350002f8 cbnz w24, 0x68 * 10: 387c6a88 ldrb w8, [x20, x28] <-- trapping instruction