[ 39.477691] ------------[ cut here ]------------ [ 39.478650] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.480820] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.482307] Modules linked in: [ 39.482955] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.485267] Tainted: [W]=WARN [ 39.485949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.487461] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.488396] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.491673] RSP: 0018:ffff888015d47bc0 EFLAGS: 00010286 [ 39.492673] RAX: 0000000000000000 RBX: ffffed1002ba8f78 RCX: ffffffff813a4050 [ 39.493998] RDX: ffff888015c51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.495318] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ba8f2f [ 39.496639] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.497969] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d47df8 [ 39.499291] FS: 00007f1d67103900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.500785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.501890] CR2: 00007f1d675f5580 CR3: 000000001d5b7000 CR4: 0000000000350ef0 [ 39.503230] Call Trace: [ 39.503752] [ 39.504178] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.505118] ? __create_object+0x59/0x80 [ 39.505938] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.506945] __vmalloc_noprof+0x59/0x60 [ 39.507728] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.508585] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.509559] bpf_prog_alloc+0x39/0x200 [ 39.510336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.511303] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.512240] do_seccomp+0x349/0x25e0 [ 39.513005] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.513946] ? __pfx_do_seccomp+0x10/0x10 [ 39.514772] ? find_held_lock+0x2b/0x80 [ 39.515531] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.516552] ? static_key_count+0x60/0x80 [ 39.517388] prctl_set_seccomp+0x4e/0x70 [ 39.518208] __do_sys_prctl+0xe6c/0x1d70 [ 39.519037] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.519948] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.520983] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.522006] ? irqentry_exit+0xf3/0x650 [ 39.522814] do_syscall_64+0xbf/0x430 [ 39.523548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.524554] RIP: 0033:0x7f1d675f55cd [ 39.525312] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.528696] RSP: 002b:00007fffdac2b710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.530159] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d675f55cd [ 39.531519] RDX: 000055751d660e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.532888] RBP: 00007fffdac2b770 R08: 0000000000000000 R09: 00007fffdac2ae10 [ 39.534249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557554120b10 [ 39.535628] R13: 00007fffdac2bba0 R14: 00005575541212b0 R15: 00005575541356f0 [ 39.537017] [ 39.537466] irq event stamp: 1809 [ 39.538152] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 39.539771] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 39.541396] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 39.543041] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 39.544650] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.500693] ------------[ cut here ]------------ [ 42.501118] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.502056] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.502738] Modules linked in: [ 42.503112] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.504024] Tainted: [W]=WARN [ 42.504278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.504969] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.505376] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.506948] RSP: 0018:ffff888016d47bc0 EFLAGS: 00010286 [ 42.507372] RAX: 0000000000000000 RBX: ffffed1002da8f78 RCX: ffffffff813a4050 [ 42.508044] RDX: ffff8880143b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.508710] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da8f2f [ 42.509291] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.509962] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d47df8 [ 42.510539] FS: 00007f2b9ee43900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.511278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.511844] CR2: 00007f2b9f335580 CR3: 000000000bb85000 CR4: 0000000000350ef0 [ 42.512413] Call Trace: [ 42.512724] [ 42.512920] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.513482] ? __create_object+0x59/0x80 [ 42.513921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.514506] __vmalloc_noprof+0x59/0x60 [ 42.514931] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.515308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.515806] bpf_prog_alloc+0x39/0x200 [ 42.516123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.516525] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.517028] do_seccomp+0x349/0x25e0 [ 42.517338] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.517823] ? __pfx_do_seccomp+0x10/0x10 [ 42.518161] ? find_held_lock+0x2b/0x80 [ 42.518485] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.518983] ? static_key_count+0x60/0x80 [ 42.519331] prctl_set_seccomp+0x4e/0x70 [ 42.519683] __do_sys_prctl+0xe6c/0x1d70 [ 42.520031] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.520402] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.520850] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.521283] ? irqentry_exit+0xf3/0x650 [ 42.521634] do_syscall_64+0xbf/0x430 [ 42.521952] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.522364] RIP: 0033:0x7f2b9f3355cd [ 42.522796] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.524376] RSP: 002b:00007ffc1829a330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.525051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b9f3355cd [ 42.525722] RDX: 0000560b1ce58e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.526294] RBP: 00007ffc1829a390 R08: 0000000000000000 R09: 00007ffc18299a30 [ 42.526876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b5186bbf0 [ 42.527446] R13: 00007ffc1829a7c0 R14: 0000560b51875380 R15: 0000560b51880460 [ 42.528056] [ 42.528252] irq event stamp: 2139 [ 42.528525] hardirqs last enabled at (2147): [] __up_console_sem+0x78/0x80 [ 42.529238] hardirqs last disabled at (2156): [] __up_console_sem+0x5d/0x80 [ 42.529961] softirqs last enabled at (2128): [] handle_softirqs+0x50c/0x770 [ 42.530699] softirqs last disabled at (2121): [] __irq_exit_rcu+0xc4/0x100 [ 42.531382] ---[ end trace 0000000000000000 ]--- [ 43.149270] ------------[ cut here ]------------ [ 43.150211] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.152306] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.153816] Modules linked in: [ 43.154440] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.158057] Tainted: [W]=WARN [ 43.158774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.160284] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.161236] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.164515] RSP: 0018:ffff888016a87bc0 EFLAGS: 00010286 [ 43.165574] RAX: 0000000000000000 RBX: ffffed1002d50f78 RCX: ffffffff813a4050 [ 43.167016] RDX: ffff8880185e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.168328] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d50f2f [ 43.169679] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.171104] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a87df8 [ 43.172440] FS: 00007fd032f06900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.173970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.175106] CR2: 00007fd0333f8580 CR3: 00000000206dd000 CR4: 0000000000350ef0 [ 43.176448] Call Trace: [ 43.177017] [ 43.177454] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.178424] ? __create_object+0x59/0x80 [ 43.179243] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.180275] __vmalloc_noprof+0x59/0x60 [ 43.181097] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.182037] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.183065] bpf_prog_alloc+0x39/0x200 [ 43.183952] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.185050] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.185997] do_seccomp+0x349/0x25e0 [ 43.186769] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.187749] ? __pfx_do_seccomp+0x10/0x10 [ 43.188555] ? find_held_lock+0x2b/0x80 [ 43.189389] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.190408] ? static_key_count+0x60/0x80 [ 43.191267] prctl_set_seccomp+0x4e/0x70 [ 43.192075] __do_sys_prctl+0xe6c/0x1d70 [ 43.192911] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.193823] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.194841] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.195879] ? irqentry_exit+0xf3/0x650 [ 43.196698] do_syscall_64+0xbf/0x430 [ 43.197420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.198326] RIP: 0033:0x7fd0333f85cd [ 43.199000] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.201951] RSP: 002b:00007ffd46331610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.203198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0333f85cd [ 43.204375] RDX: 0000559b34320e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.205564] RBP: 00007ffd46331670 R08: 0000000000000000 R09: 00007ffd46330d10 [ 43.206754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b3d41fb10 [ 43.207953] R13: 00007ffd46331aa0 R14: 0000559b3d4202b0 R15: 0000559b3d4346f0 [ 43.209200] [ 43.209661] irq event stamp: 2077 [ 43.210230] hardirqs last enabled at (2085): [] __up_console_sem+0x78/0x80 [ 43.211690] hardirqs last disabled at (2094): [] __up_console_sem+0x5d/0x80 [ 43.213227] softirqs last enabled at (1950): [] handle_softirqs+0x50c/0x770 [ 43.214894] softirqs last disabled at (1945): [] __irq_exit_rcu+0xc4/0x100 [ 43.216546] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48339' (ECDSA) to the list of known hosts. 2025/11/17 11:30:42 fuzzer started 2025/11/17 11:30:43 dialing manager at localhost:37895 2025/11/17 11:30:43 checking machine... 2025/11/17 11:30:43 checking revisions... [ 44.072869] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:30:43 testing simple program... [ 44.174899] cgroup: Unknown subsys name 'net' [ 44.241780] cgroup: Unknown subsys name 'cpuset' [ 44.263191] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:30:42 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015e83780 RCX=ffff8880162bf64c RDX=1ffff11002bd0770 RSI=ffffffff85e1ffe0 RDI=ffff888015e83b7c RBP=ffff888015e83780 RSP=ffff8880162bf658 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888015e83780 R13=ffff8880162bf740 R14=ffff8880162bff58 R15=ffff8880162bf6f8 RIP=ffffffff815d2a6f RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f2b9ee43900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2b9ee12008 CR3=000000000bb94000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000001d36062ac8 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001d RSI=ffff88806cf23b00 RDI=0000000000053370 RBP=ffff88806cf23b00 RSP=ffff88806cf08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000ee341 R11=0000000000000001 R12=0000000000053370 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf28500 RIP=ffffffff8132e865 RFL=00000016 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec2b09948 CR3=0000000014043000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2032343a30333a313120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031343a30333a3131203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000