Extracting prog: 4m4.63206021s Minimizing prog: 24m41.201372875s Simplifying prog options: 0s Extracting C: 28.866978078s Simplifying C: 22m22.209924437s 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}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs detailed listing: executing program 0: rt_sigprocmask(0x0, &(0x7f0000000480)={[0xfffffffffffffffd]}, 0x0, 0x8) syz_mount_image$hfsplus(&(0x7f0000000180), &(0x7f00000001c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x4812, &(0x7f0000002140)=ANY=[], 0x11, 0x6cd, &(0x7f0000003700)="$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") syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x10000, 0x0, 0x3, 0x0, &(0x7f0000000000)) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs detailed listing: executing program 0: rt_sigprocmask(0x0, &(0x7f0000000480)={[0xfffffffffffffffd]}, 0x0, 0x8) syz_mount_image$hfsplus(&(0x7f0000000180), &(0x7f00000001c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x4812, &(0x7f0000002140)=ANY=[], 0x11, 0x6cd, &(0x7f0000003700)="$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") syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x10000, 0x0, 0x3, 0x0, &(0x7f0000000000)) program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc 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}}): rt_sigprocmask-syz_mount_image$hfsplus detailed listing: executing program 0: rt_sigprocmask(0x0, &(0x7f0000000480)={[0xfffffffffffffffd]}, 0x0, 0x8) syz_mount_image$hfsplus(&(0x7f0000000180), &(0x7f00000001c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x4812, &(0x7f0000002140)=ANY=[], 0x11, 0x6cd, &(0x7f0000003700)="$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") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$tmpfs detailed listing: executing program 0: rt_sigprocmask(0x0, &(0x7f0000000480)={[0xfffffffffffffffd]}, 0x0, 0x8) syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x10000, 0x0, 0x3, 0x0, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-syz_mount_image$tmpfs detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000180), &(0x7f00000001c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x4812, &(0x7f0000002140)=ANY=[], 0x11, 0x6cd, &(0x7f0000003700)="$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") syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x10000, 0x0, 0x3, 0x0, &(0x7f0000000000)) 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}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs detailed listing: executing program 0: rt_sigprocmask(0x0, 0x0, 0x0, 0x0) syz_mount_image$hfsplus(&(0x7f0000000180), &(0x7f00000001c0)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x4812, &(0x7f0000002140)=ANY=[], 0x11, 0x6cd, &(0x7f0000003700)="$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") syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x10000, 0x0, 0x3, 0x0, &(0x7f0000000000)) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-syz_mount_image$hfsplus-syz_mount_image$tmpfs program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bmap_alloc reproducing took 51m36.910355382s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 ================================================================== BUG: KASAN: slab-out-of-bounds in hfsplus_bmap_alloc+0x150/0x538 Read of size 8 at addr ffff0000c1d289c0 by task syz-executor168/6441 CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Not tainted 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x198/0x538 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 hfsplus_bmap_alloc+0x150/0x538 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 6441: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_noprof+0x32c/0x54c mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] __hfs_bnode_create+0xe4/0x6d4 fs/hfsplus/bnode.c:409 hfsplus_bnode_find+0x1f8/0xc04 fs/hfsplus/bnode.c:486 hfsplus_bmap_alloc+0xc8/0x538 fs/hfsplus/btree.c:390 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000c1d28900 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 48 bytes to the right of allocated 144-byte region [ffff0000c1d28900, ffff0000c1d28990) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101d28 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000000 ffff0000c00013c0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c1d28880: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c1d28900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000c1d28980: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000c1d28a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000c1d28a80: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 rcu_read_unlock_sched include/linux/rcupdate.h:964 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 pfn_valid include/linux/mmzone.h:2069 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 lowmem_page_address include/linux/mm.h:2250 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 Modules linked in: CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Tainted: G B 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : lowmem_page_address include/linux/rcupdate.h:964 [inline] pc : kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 lr : pfn_valid include/linux/mmzone.h:2061 [inline] lr : lowmem_page_address include/linux/mm.h:2250 [inline] lr : kmap_local_page+0x148/0x500 include/linux/highmem-internal.h:180 sp : ffff8000a4a15bf0 x29: ffff8000a4a15bf0 x28: ffff0000dc472000 x27: 1ffff00014942b8c x26: 1fffe0001b88e403 x25: 1fffe0001b88f5fb x24: ffff80008f4d4000 x23: 1ffff00011e9a8a9 x22: ffff8000a4a15c80 x21: dfff800000000000 x20: ffff0000c1d28900 x19: 049004df41001929 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1ffff0001262e6f8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001262e6f9 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5fa0000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a4a152f8 x4 : ffff80008fcaf720 x3 : ffff8000802f88ec x2 : 0000000000000001 x1 : 049004df41001929 x0 : 0400000000000000 Call trace: rcu_read_unlock_sched include/linux/rcupdate.h:964 [inline] (P) pfn_valid include/linux/mmzone.h:2069 [inline] (P) lowmem_page_address include/linux/mm.h:2250 [inline] (P) kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 (P) hfsplus_bmap_alloc+0x158/0x538 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 9593 hardirqs last enabled at (9593): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1533 hardirqs last disabled at (9592): [] __schedule+0x2bc/0x257c kernel/sched/core.c:6668 softirqs last enabled at (7186): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (7186): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (7173): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address fffd86fa0000cb28 KASAN: maybe wild-memory-access in range [0xfff037d000065940-0xfff037d000065947] 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 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001a50a6000 [fffd86fa0000cb28] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Tainted: G B W 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Tainted: [B]=BAD_PAGE, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bmap_alloc+0x180/0x538 fs/hfsplus/btree.c:404 lr : hfsplus_bmap_alloc+0x16c/0x538 fs/hfsplus/btree.c:403 sp : ffff8000a4a15c40 x29: ffff8000a4a15cc0 x28: 0000000000000f00 x27: 1ffff00014942b8c x26: fff037d000064a40 x25: fff037d000065940 x24: 00000000ffff90f8 x23: ffff0000c1d289c0 x22: ffff8000a4a15c80 x21: dfff800000000000 x20: ffff0000c1d28900 x19: 1ffe06fa0000cb28 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1ffff0001262e6f8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001262e6f9 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5fa0000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a4a152f8 x4 : ffff80008fcaf720 x3 : ffff8000802f88ec x2 : 0000000000000001 x1 : 00000000000090f8 x0 : 0000000000000000 Call trace: hfsplus_bmap_alloc+0x180/0x538 fs/hfsplus/btree.c:404 (P) hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: 12002e7c 8b3c4359 d343ff33 12000b29 (38f56a68) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 12002e7c and w28, w19, #0xfff 4: 8b3c4359 add x25, x26, w28, uxtw 8: d343ff33 lsr x19, x25, #3 c: 12000b29 and w9, w25, #0x7 * 10: 38f56a68 ldrsb w8, [x19, x21] <-- trapping instruction final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 ================================================================== BUG: KASAN: slab-out-of-bounds in hfsplus_bmap_alloc+0x150/0x538 Read of size 8 at addr ffff0000c1d289c0 by task syz-executor168/6441 CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Not tainted 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x198/0x538 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 hfsplus_bmap_alloc+0x150/0x538 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 6441: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_noprof+0x32c/0x54c mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] __hfs_bnode_create+0xe4/0x6d4 fs/hfsplus/bnode.c:409 hfsplus_bnode_find+0x1f8/0xc04 fs/hfsplus/bnode.c:486 hfsplus_bmap_alloc+0xc8/0x538 fs/hfsplus/btree.c:390 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000c1d28900 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 48 bytes to the right of allocated 144-byte region [ffff0000c1d28900, ffff0000c1d28990) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101d28 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000000 ffff0000c00013c0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c1d28880: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c1d28900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000c1d28980: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000c1d28a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000c1d28a80: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 rcu_read_unlock_sched include/linux/rcupdate.h:964 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 pfn_valid include/linux/mmzone.h:2069 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 lowmem_page_address include/linux/mm.h:2250 [inline] WARNING: CPU: 1 PID: 6441 at ./include/linux/mm.h:2250 kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 Modules linked in: CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Tainted: G B 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : lowmem_page_address include/linux/rcupdate.h:964 [inline] pc : kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 lr : pfn_valid include/linux/mmzone.h:2061 [inline] lr : lowmem_page_address include/linux/mm.h:2250 [inline] lr : kmap_local_page+0x148/0x500 include/linux/highmem-internal.h:180 sp : ffff8000a4a15bf0 x29: ffff8000a4a15bf0 x28: ffff0000dc472000 x27: 1ffff00014942b8c x26: 1fffe0001b88e403 x25: 1fffe0001b88f5fb x24: ffff80008f4d4000 x23: 1ffff00011e9a8a9 x22: ffff8000a4a15c80 x21: dfff800000000000 x20: ffff0000c1d28900 x19: 049004df41001929 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1ffff0001262e6f8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001262e6f9 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5fa0000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a4a152f8 x4 : ffff80008fcaf720 x3 : ffff8000802f88ec x2 : 0000000000000001 x1 : 049004df41001929 x0 : 0400000000000000 Call trace: rcu_read_unlock_sched include/linux/rcupdate.h:964 [inline] (P) pfn_valid include/linux/mmzone.h:2069 [inline] (P) lowmem_page_address include/linux/mm.h:2250 [inline] (P) kmap_local_page+0x388/0x500 include/linux/highmem-internal.h:180 (P) hfsplus_bmap_alloc+0x158/0x538 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 9593 hardirqs last enabled at (9593): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1533 hardirqs last disabled at (9592): [] __schedule+0x2bc/0x257c kernel/sched/core.c:6668 softirqs last enabled at (7186): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (7186): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (7173): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address fffd86fa0000cb28 KASAN: maybe wild-memory-access in range [0xfff037d000065940-0xfff037d000065947] 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 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001a50a6000 [fffd86fa0000cb28] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 6441 Comm: syz-executor168 Tainted: G B W 6.14.0-rc3-syzkaller-ga1c24ab82279 #0 Tainted: [B]=BAD_PAGE, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bmap_alloc+0x180/0x538 fs/hfsplus/btree.c:404 lr : hfsplus_bmap_alloc+0x16c/0x538 fs/hfsplus/btree.c:403 sp : ffff8000a4a15c40 x29: ffff8000a4a15cc0 x28: 0000000000000f00 x27: 1ffff00014942b8c x26: fff037d000064a40 x25: fff037d000065940 x24: 00000000ffff90f8 x23: ffff0000c1d289c0 x22: ffff8000a4a15c80 x21: dfff800000000000 x20: ffff0000c1d28900 x19: 1ffe06fa0000cb28 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1ffff0001262e6f8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001262e6f9 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5fa0000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a4a152f8 x4 : ffff80008fcaf720 x3 : ffff8000802f88ec x2 : 0000000000000001 x1 : 00000000000090f8 x0 : 0000000000000000 Call trace: hfsplus_bmap_alloc+0x180/0x538 fs/hfsplus/btree.c:404 (P) hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x39c/0x1544 fs/hfsplus/extents.c:462 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin fs/buffer.c:2226 [inline] cont_write_begin+0x634/0x984 fs/buffer.c:2577 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 cont_expand_zero fs/buffer.c:2504 [inline] cont_write_begin+0x2b0/0x984 fs/buffer.c:2567 hfsplus_write_begin+0x7c/0xc4 fs/hfsplus/inode.c:46 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6c8 fs/coredump.c:945 elf_core_dump+0x336c/0x3c38 fs/binfmt_elf.c:2129 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: 12002e7c 8b3c4359 d343ff33 12000b29 (38f56a68) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 12002e7c and w28, w19, #0xfff 4: 8b3c4359 add x25, x26, w28, uxtw 8: d343ff33 lsr x19, x25, #3 c: 12000b29 and w9, w25, #0x7 * 10: 38f56a68 ldrsb w8, [x19, x21] <-- trapping instruction