================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:886:2 index 2048 is out of range for type 'struct mutex[128]' CPU: 0 PID: 6049 Comm: syz-executor.2 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __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:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 diFree+0x197c/0x2648 fs/jfs/jfs_imap.c:886 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================ ================================================================== BUG: KASAN: slab-out-of-bounds in __mutex_lock_common+0x100/0x21a0 kernel/locking/mutex.c:582 Read of size 8 at addr ffff0000cd590918 by task syz-executor.2/6049 CPU: 0 PID: 6049 Comm: syz-executor.2 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x174/0x514 mm/kasan/report.c:475 kasan_report+0xd8/0x138 mm/kasan/report.c:588 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 __mutex_lock_common+0x100/0x21a0 kernel/locking/mutex.c:582 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Allocated by task 16021: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x7c mm/kasan/common.c:52 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:511 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] kmalloc_trace+0x70/0x88 mm/slab_common.c:1119 kmalloc include/linux/slab.h:599 [inline] kzalloc include/linux/slab.h:720 [inline] smk_fetch+0xa8/0x150 security/smack/smack_lsm.c:300 smack_d_instantiate+0x658/0x880 security/smack/smack_lsm.c:3602 security_d_instantiate+0x98/0xf0 security/security.c:3799 d_instantiate_new+0x64/0x120 fs/dcache.c:2052 ext4_add_nondir+0x1d4/0x244 fs/ext4/namei.c:2801 ext4_symlink+0x764/0x9bc fs/ext4/namei.c:3437 vfs_symlink+0x138/0x260 fs/namei.c:4480 do_symlinkat+0x364/0x6b0 fs/namei.c:4506 __do_sys_symlinkat fs/namei.c:4522 [inline] __se_sys_symlinkat fs/namei.c:4519 [inline] __arm64_sys_symlinkat+0xa4/0xbc fs/namei.c:4519 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Freed by task 16021: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x7c mm/kasan/common.c:52 kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:522 ____kasan_slab_free+0x144/0x1c0 mm/kasan/common.c:236 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:244 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook mm/slub.c:1826 [inline] slab_free mm/slub.c:3809 [inline] __kmem_cache_free+0x2ac/0x480 mm/slub.c:3822 kfree+0xb8/0x19c mm/slab_common.c:1072 smk_fetch+0x12c/0x150 security/smack/smack_lsm.c:312 smack_d_instantiate+0x658/0x880 security/smack/smack_lsm.c:3602 security_d_instantiate+0x98/0xf0 security/security.c:3799 d_instantiate_new+0x64/0x120 fs/dcache.c:2052 ext4_add_nondir+0x1d4/0x244 fs/ext4/namei.c:2801 ext4_symlink+0x764/0x9bc fs/ext4/namei.c:3437 vfs_symlink+0x138/0x260 fs/namei.c:4480 do_symlinkat+0x364/0x6b0 fs/namei.c:4506 __do_sys_symlinkat fs/namei.c:4522 [inline] __se_sys_symlinkat fs/namei.c:4519 [inline] __arm64_sys_symlinkat+0xa4/0xbc fs/namei.c:4519 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 The buggy address belongs to the object at ffff0000cd590800 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 24 bytes to the right of allocated 256-byte region [ffff0000cd590800, ffff0000cd590900) The buggy address belongs to the physical page: page:000000008cd2e3ab refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d590 head:000000008cd2e3ab order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000840(slab|head|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000000840 ffff0000c0001b40 fffffc000343d200 dead000000000004 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000cd590800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000cd590880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff0000cd590900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000cd590980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000cd590a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:926:6 index 2048 is out of range for type 'struct iagctl[128]' CPU: 1 PID: 6049 Comm: syz-executor.2 Tainted: G B 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __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:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 diFree+0x1a68/0x2648 fs/jfs/jfs_imap.c:926 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:926:37 index 2048 is out of range for type 'struct iagctl[128]' CPU: 1 PID: 6049 Comm: syz-executor.2 Tainted: G B 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __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:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 diFree+0x1a98/0x2648 fs/jfs/jfs_imap.c:926 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:929:3 index 2048 is out of range for type 'struct mutex[128]' CPU: 1 PID: 6049 Comm: syz-executor.2 Tainted: G B 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __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:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 diFree+0x1b28/0x2648 fs/jfs/jfs_imap.c:929 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================ ERROR: (device loop2): diFree: numfree > numinos Unable to handle kernel paging request at virtual address 0055e2acd95992b9 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, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [0055e2acd95992b9] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6049 Comm: syz-executor.2 Tainted: G B 6.6.0-rc3-syzkaller-g2e530aeb342b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : owner_on_cpu include/linux/sched.h:2316 [inline] pc : mutex_can_spin_on_owner kernel/locking/mutex.c:409 [inline] pc : mutex_optimistic_spin+0x238/0x49c kernel/locking/mutex.c:452 lr : instrument_atomic_read include/linux/instrumented.h:68 [inline] lr : atomic_long_read include/linux/atomic/atomic-instrumented.h:3160 [inline] lr : __mutex_owner kernel/locking/mutex.c:81 [inline] lr : mutex_can_spin_on_owner kernel/locking/mutex.c:407 [inline] lr : mutex_optimistic_spin+0x210/0x49c kernel/locking/mutex.c:452 sp : ffff800096bb6f50 x29: ffff800096bb6f50 x28: dfff800000000000 x27: 1ffff000124b9cf4 x26: ffff8000925ce000 x25: ffff700012d76e10 x24: aab31566cacc9598 x23: dfff800000000000 x22: aab31566cacc95cc x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000e30388b8 x18: ffff0001b41f8b58 x17: ffff8001260eb000 x16: ffff800080316988 x15: 0000000000000001 x14: 1fffe0001c607117 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001c607118 x10: 1fffe0001c607117 x9 : dfff800000000000 x8 : 155662acd95992b9 x7 : 0000000000000000 x6 : ffff800081a1fb20 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080316b98 x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000001 Call trace: owner_on_cpu include/linux/sched.h:2316 [inline] mutex_can_spin_on_owner kernel/locking/mutex.c:409 [inline] mutex_optimistic_spin+0x238/0x49c kernel/locking/mutex.c:452 __mutex_lock_common+0x1bc/0x21a0 kernel/locking/mutex.c:607 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput+0x734/0x818 fs/inode.c:1801 dentry_unlink_inode+0x370/0x4b0 fs/dcache.c:401 __dentry_kill+0x324/0x5e4 fs/dcache.c:607 shrink_dentry_list+0x41c/0x850 fs/dcache.c:1201 shrink_dcache_parent+0xbc/0x434 do_one_tree+0x30/0xfc fs/dcache.c:1681 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1698 generic_shutdown_super+0x68/0x2b8 fs/super.c:665 kill_block_super+0x40/0x74 fs/super.c:1646 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: f27df118 54000180 9100d316 d343fec8 (38f76908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f27df118 ands x24, x8, #0xfffffffffffffff8 4: 54000180 b.eq 0x34 // b.none 8: 9100d316 add x22, x24, #0x34 c: d343fec8 lsr x8, x22, #3 * 10: 38f76908 ldrsb w8, [x8, x23] <-- trapping instruction