Extracting prog: 2m48.766824194s Minimizing prog: 25m55.113115072s Simplifying prog options: 0s Extracting C: 1m0.390845183s Simplifying C: 12m46.467156732s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x201409c, &(0x7f0000000280)=ANY=[], 0x1, 0x644, &(0x7f0000000cc0)="$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") r0 = syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x201409c, &(0x7f0000000280)=ANY=[], 0x1, 0x644, &(0x7f0000000cc0)="$eJzs3c1vHGcdB/DvbDZONpTUTZM2oEq1GgkQFolf5IK5EBBCPlSoKgfOVuI0VjZpsV3kVoia92sP/QPKwTdOSNwjlQuXcuvVx0pIXHrBnBbN7Ox64zfsNvGu288nmn2eZ5+ZZ37Pb2Z2dteKNsCX1sJkmg9TZGHylfWyvbU5297anL3fqyc5l2QjaSZpJCn+0+l0PkxuJkV/mGJXucf7y/Ovffzp1ifdVrNeqvUbh213NBv1kokkZ+rycY1363OPV/RneDPJtbqEoTubpPOIX/zjqX7PgNZ+W58/kRiBJ6vo3jf3GE8u1Bd6+T6ge1fs3rNPtY1hBwAAAAAn4OntbGe9uDjsOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOC02Nj5/f+iXhq9+kSK3u//j9XPpa6PlhePt/rDJxUHAAAAAAAAAJygF7eznfVc7LU7RfU3/5eqxuXq8St5K6tZykquZz2LWctaVjKdZHxgoLH1xbW1lekjbDmz75Yz/yfQc3XZejzzBgAAAAAAAIAvmN9mYefv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAqK5Ey3qJbLvfp4Gs0k55OMlettJP/s1U+zh8MOAAAAAE7A09vZznou9tqdovrM/1z1uf983sqDrGU5a2lnKber7wK6n/obW5uz7a3N2fvlsnfcH/77WGFUI6b73cP+e75ardHKnSxXz1zPrbyRdm6nUW1ZulrH0xt1V1y/KWMqflA7YmS367Kc+Xt1uce7x5rsQY75Zcp4lZGz/YxMpegH90zvyOx/hI55dHbvaTqNfrCXd+1p1yQ+U84v1GU5nT8elPOh2J2JmYGz77nDc558829/+fnd9oN7d++sTo7OlI7mTF12qsfW3kzMDmTi+S9OJo5wTU5VmbjSby/kJ/lZJjORV7OS5fwyi1nLUiby46q2WJ/PxcDwB2Tq5iOtV/u1jw4Odrx/sI4X00vVtheznJ/mjdzOUl6u/s1kOt/NXOYyP3CErxx+hKurvnHAVd/56r7BX/tWXWkl+VNdjoYyr88M5HXwNXe86ht8ZidLl46QpWO+Nja/XlfKffyuLkfD7kxMD2Ti2cMz8efqZWW1/eDeyt3FN4+2u0vv1ZXyOvrDSN0lyvPlUnmwqtajZ0fZ9+y+fdNV3+V+X2NP35V+X/dK3TjwSh2r38PtHWmm6nt+377Zqu/qQN9+77cAGHkXvn1hrPWv1ketD1q/b91tvXL+R+e+d+6FsZz9+9nvN6fOfKPxQvHXfJBf73z+BwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPrvVt9+5t9huL63sqnQ6nXcP6DrNld7PmZ3gTr/2VDIScx9q5b+dTqd+phiFeMpKsz4Z9nZ1asOO8LFVUhz7nB/iixJwIm6s3X/zxurb73xn+f7i60uvLz2Yn5ubn5qfe3n2xp3l9tJU93HYUQJPws5Nf9iRAAAAAAAAAAAAAEd1Ev8JYdhzBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAE63hck0H6bI9NT1qbK9tTnbLpdefWfNZpJGkuJXSfFhcjPdJeMDwxUH7ef95fnXPv5065OdsZq99RuHbXc0G/WSiSRn6vJxjXfrc49X9GdYJuxaL3EwbP8LAAD//zayCmY=") r0 = syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) 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=6m0s, {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_mount_image$hfsplus-syz_open_dev$loop detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x201409c, &(0x7f0000000280)=ANY=[], 0x1, 0x644, &(0x7f0000000cc0)="$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") syz_open_dev$loop(&(0x7f00000001c0), 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-ioctl$LOOP_SET_BLOCK_SIZE detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x201409c, &(0x7f0000000280)=ANY=[], 0x1, 0x644, &(0x7f0000000cc0)="$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") ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x800) program did not crash testing program (duration=6m0s, {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=6m0s, {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_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x201409c, &(0x7f0000000280)=ANY=[], 0x1, 0x644, &(0x7f0000000cc0)="$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") r0 = syz_open_dev$loop(0x0, 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x800) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write simplifying C reproducer testing compiled C program (duration=6m0s, {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_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Write in shmem_file_read_iter a never seen crash title: KASAN: slab-out-of-bounds Write in shmem_file_read_iter, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE program crashed: KASAN: slab-out-of-bounds Read in generic_perform_write reproducing took 42m30.737953001s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in copy_page_from_iter_atomic+0x9a4/0x1104 lib/iov_iter.c:820 Read of size 1024 at addr ffff0000ccd3ac00 by task kworker/u4:0/9 CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.115-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: loop0 loop_rootcg_workfn 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+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189 memcpy+0x48/0x90 mm/kasan/shadow.c:65 copy_page_from_iter_atomic+0x9a4/0x1104 lib/iov_iter.c:820 generic_perform_write+0x2fc/0x55c mm/filemap.c:3853 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3973 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4005 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_iter_write+0x88/0xac fs/read_write.c:902 lo_write_bvec drivers/block/loop.c:244 [inline] lo_write_simple drivers/block/loop.c:266 [inline] do_req_filebacked drivers/block/loop.c:490 [inline] loop_handle_cmd drivers/block/loop.c:1906 [inline] loop_process_work+0x15b4/0x24a4 drivers/block/loop.c:1941 loop_rootcg_workfn+0x28/0x38 drivers/block/loop.c:1972 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Allocated by task 4304: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xd8/0x1c4 mm/slab_common.c:949 kmalloc include/linux/slab.h:562 [inline] hfsplus_read_wrapper+0x3ac/0xfcc fs/hfsplus/wrapper.c:178 hfsplus_fill_super+0x2f0/0x166c fs/hfsplus/super.c:413 mount_bdev+0x274/0x370 fs/super.c:1443 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584 __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:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 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:585 The buggy address belongs to the object at ffff0000ccd3ac00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff0000ccd3ac00, ffff0000ccd3ae00) The buggy address belongs to the physical page: page:000000002c6bce5f refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10cd38 head:000000002c6bce5f order:2 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002600 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000ccd3ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000ccd3ad80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000ccd3ae00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000ccd3ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000ccd3af00: 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+0x9a4/0x1104 lib/iov_iter.c:820 Read of size 1024 at addr ffff0000ccd3ac00 by task kworker/u4:0/9 CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.115-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: loop0 loop_rootcg_workfn 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+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189 memcpy+0x48/0x90 mm/kasan/shadow.c:65 copy_page_from_iter_atomic+0x9a4/0x1104 lib/iov_iter.c:820 generic_perform_write+0x2fc/0x55c mm/filemap.c:3853 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3973 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4005 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_iter_write+0x88/0xac fs/read_write.c:902 lo_write_bvec drivers/block/loop.c:244 [inline] lo_write_simple drivers/block/loop.c:266 [inline] do_req_filebacked drivers/block/loop.c:490 [inline] loop_handle_cmd drivers/block/loop.c:1906 [inline] loop_process_work+0x15b4/0x24a4 drivers/block/loop.c:1941 loop_rootcg_workfn+0x28/0x38 drivers/block/loop.c:1972 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Allocated by task 4304: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xd8/0x1c4 mm/slab_common.c:949 kmalloc include/linux/slab.h:562 [inline] hfsplus_read_wrapper+0x3ac/0xfcc fs/hfsplus/wrapper.c:178 hfsplus_fill_super+0x2f0/0x166c fs/hfsplus/super.c:413 mount_bdev+0x274/0x370 fs/super.c:1443 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584 __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:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 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:585 The buggy address belongs to the object at ffff0000ccd3ac00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff0000ccd3ac00, ffff0000ccd3ae00) The buggy address belongs to the physical page: page:000000002c6bce5f refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10cd38 head:000000002c6bce5f order:2 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002600 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000ccd3ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000ccd3ad80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000ccd3ae00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000ccd3ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000ccd3af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================