loop0: detected capacity change from 0 to 264192 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:632:20 index 1128417612 is out of range for type 'atomic_t[128]' CPU: 0 PID: 6470 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-00141-g2ebd1fbb946d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282 dbNextAG+0x5d4/0x5f8 fs/jfs/jfs_dmap.c:632 diAlloc+0x134/0x1530 fs/jfs/jfs_imap.c:1342 ialloc+0x84/0x7c0 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x190/0xa0c fs/jfs/namei.c:225 vfs_mkdir+0x334/0x4e4 fs/namei.c:4036 do_mkdirat+0x200/0x5f8 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4074 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:1343:3 index 1128417612 is out of range for type 'struct mutex[128]' CPU: 0 PID: 6470 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-00141-g2ebd1fbb946d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282 diAlloc+0x11c4/0x1530 fs/jfs/jfs_imap.c:1343 ialloc+0x84/0x7c0 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x190/0xa0c fs/jfs/namei.c:225 vfs_mkdir+0x334/0x4e4 fs/namei.c:4036 do_mkdirat+0x200/0x5f8 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4074 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 ================================================================================ Unable to handle kernel paging request at virtual address ffff6004d3f3987b KASAN: maybe wild-memory-access in range [0xffff00269f9cc3d8-0xffff00269f9cc3df] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001ad111000 [ffff6004d3f3987b] pgd=000000023cbf2003, p4d=000000023cbf2003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6470 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-00141-g2ebd1fbb946d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __mutex_lock_common+0xf4/0x21a0 kernel/locking/mutex.c:582 lr : __mutex_lock_common+0xcc/0x21a0 kernel/locking/mutex.c:580 sp : ffff80001e567660 x29: ffff80001e5677e0 x28: dfff800000000000 x27: 1ffff0000338d8cc x26: ffff800019c6c000 x25: ffff700003cacee8 x24: 0000000000000000 x23: 0000000000000000 x22: ffff8000099b9f20 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00269f9cc378 x18: 1fffe0003689b776 x17: 3d3d3d3d3d3d3d3d x16: ffff80000830fe44 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000005 x11: ff8080000ab40488 x10: 0000000000000000 x9 : 0000000000000003 x8 : 1fffe004d3f3987b x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000000 x1 : 0000000000000080 x0 : ffff00269f9cc3d8 Call trace: __mutex_lock_common+0xf4/0x21a0 kernel/locking/mutex.c:582 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 diAlloc+0x168/0x1530 fs/jfs/jfs_imap.c:1343 ialloc+0x84/0x7c0 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x190/0xa0c fs/jfs/namei.c:225 vfs_mkdir+0x334/0x4e4 fs/namei.c:4036 do_mkdirat+0x200/0x5f8 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4074 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: b9466348 35000128 91018260 d343fc08 (387c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: b9466348 ldr w8, [x26, #1632] 4: 35000128 cbnz w8, 0x28 8: 91018260 add x0, x19, #0x60 c: d343fc08 lsr x8, x0, #3 * 10: 387c6908 ldrb w8, [x8, x28] <-- trapping instruction