Extracting prog: 1m18.438723317s Minimizing prog: 2m47.532391789s Simplifying prog options: 0s Extracting C: 30.848836606s Simplifying C: 6m7.766073142s 1 programs, 3 VMs, timeouts [15s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus detailed listing: executing program 0: r0 = syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000c80)='./bus\x00', 0x200008, &(0x7f0000000180)=ANY=[], 0x4, 0x607, &(0x7f00000004c0)="$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") program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE detailed listing: executing program 0: r0 = syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-syz_mount_image$hfsplus detailed listing: executing program 0: syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000c80)='./bus\x00', 0x200008, &(0x7f0000000180)=ANY=[], 0x4, 0x607, &(0x7f00000004c0)="$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") program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus detailed listing: executing program 0: ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x800) syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000c80)='./bus\x00', 0x200008, &(0x7f0000000180)=ANY=[], 0x4, 0x607, &(0x7f00000004c0)="$eJzs3UtoXNcZB/D/HY9kjQuOksiJWwIVMaSlorYeKK26qVtK0SKUkC66FrYcC4+VIClFCaW4L7rtInSdLrTrqtC9IV23u2y1DBSyyaJo53Lv3JHGekwky/KM4t9PnDnnzLnn3G++uXPnIYYJ8NxanErzYYosTr21Wfa3t+ba21tzF+vhdpKy3UianSrFalJ8mtxMp+Sb5ZX19sVR+/l4ZeGdz77c/rzTa9al2r6RsaPnHc+DumQyyYW6Pmjkida7deR6x1XsZqZM2LVu4mDQHh3w4CTTT/m4BYZB0XnePGA8uZRkrH4dkPrs0Hi20T19JzrLAQAAwDn1wk52spnLg44DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAzpP69/+LujQ6dbOYTNH9/f/Reix1+1x7OOgAAAAAAAAAAOAp+PZOdrKZy93+o6L6n//rVWeiuvxGPsh6lrOW69nMUjaykbXMJBnvWWh0c2ljY23mGDNnD505+2xuLwAAAAAAAAB8Tf0+i3v//wcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgGFQJBc6VVUmuu3xNJpJxpKMlts9SP7TbZ9nDwcdAAAAADwDL+xkJ5u53O0/Kqr3/K9U7/vH8kFWs5GVbKSd5dyuPgvovOtvbG/Ntbe35u6X5eC6f/3fo8oxw6hWTOezh8P3fLXaopU7WamuuZ5beS/t3E6jmlm62o3n8Lh+90W59o9rx4zsdl2Xt/wvdT0cxquMjOxmZLqOrczGi/0z8ZMvTrWnmTR2P/mZOIOcX6rrbq4vnijas7Q/E7M9R98r/TORfOeff//V3fbqvbt31qeG5zB6QvszMdeTiVefq0xMV5m4sttfzM/zy0xlMm9nLSv5dZaykeVM5mdVa6k+rsvL8f6ZuvlY7+2vimS0vl86Z9GTxfR6Obf7sW9uZzlvVn+zmckPMp/5LPTcw1eO8ahvnOxRf+27daOV5M91PRzKvL7Yk9fec+54NdZ7zV6WXnr658bmt+pGuY8/1PVw2J+JmZ5MvNw/E3+rXiest1fvrd1dev+Y+3ujrssD9k9D9cxcHi8vlXdW1Xv86CjHXi7HWvvHZqqxid15jQNjV3bHxnM5K/lF3jvikTpav4Y7uNJsNfbqoWNz1djVnrHDXm8BMPQufe/SaOu/rX+3Pmn9sXW39dbYTy/+8OJroxn518iPmtMX3mi8Vvwjn+S3e+//AQAAAAAAAAAAAAAAAAAAAAAAAAAAAACAJ7f+4Uf3ltrt5bUza3R/zqn/xt1foDr7eIa7UeZgCMLQeO4bAz4xAWfuxsb992+sf/jR91fuL727/O7y6sj8/ML0wvybczfurLSXpzuXg44SOAt7T/r7R0YHExAAAAAAAAAAAADwlfp/DWCk3up0XycY8E0EAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAzrnFqTQfpsjM9PXpsr+9NdcuS7e9t2UzSSNJ8Zuk+DS5mU7JeM9yxVH7+Xhl4Z3Pvtz+fG+tZnf7Rr95/U3U9YO6ZDLJhbo+hcfWu3Xq9YrdW1gm7Fo3cTBo/w8AAP//sdwGVw==") program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus detailed listing: executing program 0: r0 = syz_open_dev$loop(0x0, 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000c80)='./bus\x00', 0x200008, &(0x7f0000000180)=ANY=[], 0x4, 0x607, &(0x7f00000004c0)="$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") program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write simplifying C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program crashed: KASAN: slab-out-of-bounds Write in shmem_file_read_iter testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-syz_mount_image$hfsplus program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write reproducing took 10m44.586048354s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in copy_page_from_iter_atomic+0x834/0xffc lib/iov_iter.c:978 Read of size 2048 at addr ffff0000cff24800 by task kworker/u4:0/9 CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: loop0 loop_rootcg_workfn Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x174/0x1e4 mm/kasan/report.c:451 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189 memcpy+0x90/0xe8 mm/kasan/shadow.c:65 copy_page_from_iter_atomic+0x834/0xffc lib/iov_iter.c:978 generic_perform_write+0x2d0/0x520 mm/filemap.c:3793 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 lo_write_bvec+0x394/0xb4c drivers/block/loop.c:316 lo_write_simple drivers/block/loop.c:338 [inline] do_req_filebacked drivers/block/loop.c:656 [inline] loop_handle_cmd drivers/block/loop.c:2234 [inline] loop_process_work+0x1f24/0x2798 drivers/block/loop.c:2274 loop_rootcg_workfn+0x28/0x38 drivers/block/loop.c:2305 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Allocated by task 4033: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x29c/0x4c8 mm/slub.c:4407 kmalloc include/linux/slab.h:596 [inline] hfsplus_read_wrapper+0x3b8/0xfc8 fs/hfsplus/wrapper.c:180 hfsplus_fill_super+0x2f0/0x167c fs/hfsplus/super.c:413 mount_bdev+0x274/0x370 fs/super.c:1387 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1517 do_new_mount+0x278/0x8fc fs/namespace.c:3005 path_mount+0x594/0x101c fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000cff24800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff0000cff24800, ffff0000cff24a00) The buggy address belongs to the page: page:00000000c7755c39 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ff24 head:00000000c7755c39 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 0000000000000000 0000000100000001 ffff0000c0002600 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000cff24900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000cff24980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000cff24a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000cff24a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000cff24b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in copy_page_from_iter_atomic+0x834/0xffc lib/iov_iter.c:978 Read of size 2048 at addr ffff0000cff24800 by task kworker/u4:0/9 CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: loop0 loop_rootcg_workfn Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x174/0x1e4 mm/kasan/report.c:451 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189 memcpy+0x90/0xe8 mm/kasan/shadow.c:65 copy_page_from_iter_atomic+0x834/0xffc lib/iov_iter.c:978 generic_perform_write+0x2d0/0x520 mm/filemap.c:3793 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 lo_write_bvec+0x394/0xb4c drivers/block/loop.c:316 lo_write_simple drivers/block/loop.c:338 [inline] do_req_filebacked drivers/block/loop.c:656 [inline] loop_handle_cmd drivers/block/loop.c:2234 [inline] loop_process_work+0x1f24/0x2798 drivers/block/loop.c:2274 loop_rootcg_workfn+0x28/0x38 drivers/block/loop.c:2305 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Allocated by task 4033: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x29c/0x4c8 mm/slub.c:4407 kmalloc include/linux/slab.h:596 [inline] hfsplus_read_wrapper+0x3b8/0xfc8 fs/hfsplus/wrapper.c:180 hfsplus_fill_super+0x2f0/0x167c fs/hfsplus/super.c:413 mount_bdev+0x274/0x370 fs/super.c:1387 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1517 do_new_mount+0x278/0x8fc fs/namespace.c:3005 path_mount+0x594/0x101c fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000cff24800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff0000cff24800, ffff0000cff24a00) The buggy address belongs to the page: page:00000000c7755c39 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ff24 head:00000000c7755c39 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 0000000000000000 0000000100000001 ffff0000c0002600 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000cff24900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000cff24980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000cff24a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000cff24a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000cff24b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================