Extracting prog: 1m54.648345683s Minimizing prog: 9m34.27940454s Simplifying prog options: 0s Extracting C: 40.153448716s Simplifying C: 6m48.646162694s 1 programs, timeouts [30s 6m0s] 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:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) program crashed: WARNING in p9_client_create single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240), 0x0) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): pipe2$9p-mount$9p_fd detailed listing: executing program 0: pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, 0x0, &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', 0x0, 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) program did not crash testing program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240), 0x0) mount$9p_fd(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540), 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=58.693345483s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create simplifying C reproducer testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create testing compiled C program (duration=58.693345483s, {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}}): mkdirat-pipe2$9p-mount$9p_fd program did not crash testing compiled C program (duration=58.693345483s, {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}}): mkdirat-pipe2$9p-mount$9p_fd program did not crash testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create testing compiled C program (duration=58.693345483s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): mkdirat-pipe2$9p-mount$9p_fd program crashed: WARNING in p9_client_create reproducing took 18m57.727387108s repro crashed as (corrupted=false): ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache' already exists WARNING: CPU: 0 PID: 5096 at mm/slab_common.c:108 kmem_cache_sanity_check mm/slab_common.c:107 [inline] WARNING: CPU: 0 PID: 5096 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 mm/slab_common.c:294 Modules linked in: CPU: 0 UID: 0 PID: 5096 Comm: syz-executor205 Not tainted 6.11.0-syzkaller-05442-g932d2d1fcb2b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kmem_cache_sanity_check mm/slab_common.c:107 [inline] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 mm/slab_common.c:294 Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 0e d1 db 09 85 c0 75 e8 90 48 c7 c7 f6 02 0a 8e 4c 89 fe e8 9a 75 7a ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 68 d2 db 09 48 85 c0 0f 85 RSP: 0018:ffffc90002e7f788 EFLAGS: 00010246 RAX: 0bb279167bc95800 RBX: ffff88803d5132e8 RCX: ffff88801ca72440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8ea18ca0 R08: ffffffff8155c052 R09: fffffbfff1cfa138 R10: dffffc0000000000 R11: fffffbfff1cfa138 R12: 0000000000020018 R13: 0000000000000000 R14: ffffc90002e7f860 R15: ffffffff8d2d2980 FS: 0000555555a77380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000001244e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmem_cache_create_usercopy include/linux/slab.h:361 [inline] p9_client_create+0xba5/0x1110 net/9p/client.c:1042 v9fs_session_init+0x1e4/0x1b80 fs/9p/v9fs.c:410 v9fs_mount+0xcf/0xaa0 fs/9p/vfs_super.c:122 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 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: 0033:0x7ff6cb1c9e29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fff45a81dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff6cb21304e RCX: 00007ff6cb1c9e29 RDX: 0000000020000540 RSI: 0000000020000500 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000020000580 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff45a81fe8 R14: 00007fff45a81df0 R15: 00007fff45a81de0 final repro crashed as (corrupted=false): ------------[ cut here ]------------ kmem_cache of name '9p-fcall-cache' already exists WARNING: CPU: 0 PID: 5096 at mm/slab_common.c:108 kmem_cache_sanity_check mm/slab_common.c:107 [inline] WARNING: CPU: 0 PID: 5096 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 mm/slab_common.c:294 Modules linked in: CPU: 0 UID: 0 PID: 5096 Comm: syz-executor205 Not tainted 6.11.0-syzkaller-05442-g932d2d1fcb2b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kmem_cache_sanity_check mm/slab_common.c:107 [inline] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 mm/slab_common.c:294 Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 0e d1 db 09 85 c0 75 e8 90 48 c7 c7 f6 02 0a 8e 4c 89 fe e8 9a 75 7a ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 68 d2 db 09 48 85 c0 0f 85 RSP: 0018:ffffc90002e7f788 EFLAGS: 00010246 RAX: 0bb279167bc95800 RBX: ffff88803d5132e8 RCX: ffff88801ca72440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8ea18ca0 R08: ffffffff8155c052 R09: fffffbfff1cfa138 R10: dffffc0000000000 R11: fffffbfff1cfa138 R12: 0000000000020018 R13: 0000000000000000 R14: ffffc90002e7f860 R15: ffffffff8d2d2980 FS: 0000555555a77380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000001244e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmem_cache_create_usercopy include/linux/slab.h:361 [inline] p9_client_create+0xba5/0x1110 net/9p/client.c:1042 v9fs_session_init+0x1e4/0x1b80 fs/9p/v9fs.c:410 v9fs_mount+0xcf/0xaa0 fs/9p/vfs_super.c:122 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 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: 0033:0x7ff6cb1c9e29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fff45a81dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff6cb21304e RCX: 00007ff6cb1c9e29 RDX: 0000000020000540 RSI: 0000000020000500 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000020000580 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff45a81fe8 R14: 00007fff45a81df0 R15: 00007fff45a81de0