Extracting prog: 3m20.073176725s Minimizing prog: 47.97µs Simplifying prog options: 0s Extracting C: 1m8.599863335s Simplifying C: 9m1.024325311s 1 programs, timeouts [15s 1m40s 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_mount_image$hfs detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000100), &(0x7f0000000040)='./bus\x00', 0x10, &(0x7f0000000140)=ANY=[@ANYBLOB='codepage=macgreek,part=0x0000000000000007,iocharset=cp1251,gid=', @ANYRESHEX=0x0, @ANYBLOB='\x00\x00'], 0x1, 0x2a4, &(0x7f0000002100)="$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") program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000100), &(0x7f0000000040)='./bus\x00', 0x10, &(0x7f0000000140)=ANY=[@ANYBLOB='codepage=macgreek,part=0x0000000000000007,iocharset=cp1251,gid=', @ANYRESHEX=0x0, @ANYBLOB='\x00\x00'], 0x1, 0x2a4, &(0x7f0000002100)="$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") program crashed: general protection fault in hfs_find_init single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program extracting C reproducer testing compiled C program (duration=2m30s, {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$hfs program crashed: general protection fault in hfs_find_init simplifying C reproducer testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {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_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init testing compiled C program (duration=2m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs program crashed: general protection fault in hfs_find_init reproducing took 13m29.697434931s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 64 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor583 Not tainted 6.11.0-rc1-syzkaller-00044-g22f546873149 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21 Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 09 79 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0 RSP: 0018:ffffc900034672c0 EFLAGS: 00010202 RAX: 1ffff9200068ce77 RBX: ffffc900034673b8 RCX: ffff888026c55a00 RDX: 0000000000000000 RSI: ffffc900034673a0 RDI: ffffc900034673b0 RBP: 0000000000000000 R08: ffffffff827faa5f R09: 0000000000000000 R10: ffffc900034673a0 R11: fffff5200068ce7b R12: ffffc900034673a0 R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 FS: 000055558dec6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558dec6ca8 CR3: 00000000755a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs_ext_read_extent fs/hfs/extent.c:200 [inline] hfs_get_block+0x4f4/0xb60 fs/hfs/extent.c:366 block_read_full_folio+0x418/0xcd0 fs/buffer.c:2406 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789 do_read_cache_page+0x30/0x200 mm/filemap.c:3855 read_mapping_page include/linux/pagemap.h:907 [inline] hfs_btree_open+0x50b/0xf20 fs/hfs/btree.c:78 hfs_mdb_get+0x1443/0x21b0 fs/hfs/mdb.c:199 hfs_fill_super+0x107e/0x1790 fs/hfs/super.c:407 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7e85e6706a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff079e0818 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff079e0830 RCX: 00007f7e85e6706a RDX: 0000000020000100 RSI: 0000000020000040 RDI: 00007fff079e0830 RBP: 0000000000000010 R08: 00007fff079e0870 R09: 000000000000029e R10: 0000000000000010 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fff079e0870 R14: 0000000000000003 R15: 0000000000008000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21 Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 09 79 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0 RSP: 0018:ffffc900034672c0 EFLAGS: 00010202 RAX: 1ffff9200068ce77 RBX: ffffc900034673b8 RCX: ffff888026c55a00 RDX: 0000000000000000 RSI: ffffc900034673a0 RDI: ffffc900034673b0 RBP: 0000000000000000 R08: ffffffff827faa5f R09: 0000000000000000 R10: ffffc900034673a0 R11: fffff5200068ce7b R12: ffffc900034673a0 R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 FS: 000055558dec6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558dec6ca8 CR3: 00000000755a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: d8 48 c1 fmuls -0x3f(%rax) 3: e8 03 42 80 3c call 0x3c80420b 8: 28 00 sub %al,(%rax) a: 74 08 je 0x14 c: 48 89 df mov %rbx,%rdi f: e8 14 09 79 ff call 0xff790928 14: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 1b: 48 89 2c 24 mov %rbp,(%rsp) 1f: 4c 8d 75 40 lea 0x40(%rbp),%r14 23: 4d 89 f7 mov %r14,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 10 01 00 00 jne 0x147 37: 41 8b 06 mov (%r14),%eax 3a: 8d 7c 00 04 lea 0x4(%rax,%rax,1),%edi 3e: be .byte 0xbe 3f: c0 .byte 0xc0 final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 64 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 5213 Comm: syz-executor583 Not tainted 6.11.0-rc1-syzkaller-00044-g22f546873149 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21 Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 09 79 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0 RSP: 0018:ffffc900034672c0 EFLAGS: 00010202 RAX: 1ffff9200068ce77 RBX: ffffc900034673b8 RCX: ffff888026c55a00 RDX: 0000000000000000 RSI: ffffc900034673a0 RDI: ffffc900034673b0 RBP: 0000000000000000 R08: ffffffff827faa5f R09: 0000000000000000 R10: ffffc900034673a0 R11: fffff5200068ce7b R12: ffffc900034673a0 R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 FS: 000055558dec6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558dec6ca8 CR3: 00000000755a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs_ext_read_extent fs/hfs/extent.c:200 [inline] hfs_get_block+0x4f4/0xb60 fs/hfs/extent.c:366 block_read_full_folio+0x418/0xcd0 fs/buffer.c:2406 filemap_read_folio+0x1a0/0x790 mm/filemap.c:2355 do_read_cache_folio+0x134/0x820 mm/filemap.c:3789 do_read_cache_page+0x30/0x200 mm/filemap.c:3855 read_mapping_page include/linux/pagemap.h:907 [inline] hfs_btree_open+0x50b/0xf20 fs/hfs/btree.c:78 hfs_mdb_get+0x1443/0x21b0 fs/hfs/mdb.c:199 hfs_fill_super+0x107e/0x1790 fs/hfs/super.c:407 mount_bdev+0x20a/0x2d0 fs/super.c:1679 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7e85e6706a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff079e0818 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff079e0830 RCX: 00007f7e85e6706a RDX: 0000000020000100 RSI: 0000000020000040 RDI: 00007fff079e0830 RBP: 0000000000000010 R08: 00007fff079e0870 R09: 000000000000029e R10: 0000000000000010 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fff079e0870 R14: 0000000000000003 R15: 0000000000008000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21 Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 09 79 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0 RSP: 0018:ffffc900034672c0 EFLAGS: 00010202 RAX: 1ffff9200068ce77 RBX: ffffc900034673b8 RCX: ffff888026c55a00 RDX: 0000000000000000 RSI: ffffc900034673a0 RDI: ffffc900034673b0 RBP: 0000000000000000 R08: ffffffff827faa5f R09: 0000000000000000 R10: ffffc900034673a0 R11: fffff5200068ce7b R12: ffffc900034673a0 R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008 FS: 000055558dec6380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558dec6ca8 CR3: 00000000755a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: d8 48 c1 fmuls -0x3f(%rax) 3: e8 03 42 80 3c call 0x3c80420b 8: 28 00 sub %al,(%rax) a: 74 08 je 0x14 c: 48 89 df mov %rbx,%rdi f: e8 14 09 79 ff call 0xff790928 14: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 1b: 48 89 2c 24 mov %rbp,(%rsp) 1f: 4c 8d 75 40 lea 0x40(%rbp),%r14 23: 4d 89 f7 mov %r14,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 10 01 00 00 jne 0x147 37: 41 8b 06 mov (%r14),%eax 3a: 8d 7c 00 04 lea 0x4(%rax,%rax,1),%edi 3e: be .byte 0xbe 3f: c0 .byte 0xc0