syzkaller login: [ 38.860271] ------------[ cut here ]------------ [ 38.861043] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.862738] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.863985] Modules linked in: [ 38.864475] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.866121] Tainted: [W]=WARN [ 38.866579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.867810] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.868532] 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 [ 38.871349] RSP: 0018:ffff888019b67bc0 EFLAGS: 00010286 [ 38.872170] RAX: 0000000000000000 RBX: ffffed100336cf78 RCX: ffffffff813a4050 [ 38.873247] RDX: ffff8880163f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.874331] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336cf2f [ 38.875409] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.876484] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b67df8 [ 38.877548] FS: 00007f236ba04900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.878771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.879631] CR2: 00007f236bef6580 CR3: 000000000e248000 CR4: 0000000000350ef0 [ 38.880706] Call Trace: [ 38.881118] [ 38.881460] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.882195] ? __create_object+0x59/0x80 [ 38.882850] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.883642] __vmalloc_noprof+0x59/0x60 [ 38.884277] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.885000] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.885734] bpf_prog_alloc+0x39/0x200 [ 38.886352] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.887159] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.887921] do_seccomp+0x349/0x25e0 [ 38.888492] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.889245] ? __pfx_do_seccomp+0x10/0x10 [ 38.889901] ? find_held_lock+0x2b/0x80 [ 38.890504] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.891315] ? static_key_count+0x60/0x80 [ 38.891991] prctl_set_seccomp+0x4e/0x70 [ 38.892600] __do_sys_prctl+0xe6c/0x1d70 [ 38.893248] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.893976] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.894791] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.895568] ? irqentry_exit+0xf3/0x650 [ 38.896210] do_syscall_64+0xbf/0x430 [ 38.896820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.897579] RIP: 0033:0x7f236bef65cd [ 38.898183] 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 [ 38.900883] RSP: 002b:00007ffce07fee80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.902032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f236bef65cd [ 38.903117] RDX: 000055afac3b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.904188] RBP: 00007ffce07feee0 R08: 0000000000000000 R09: 00007ffce07fe580 [ 38.905268] R10: 0000000000000000 R11: 0000000000000246 R12: 000055afc1d35ad0 [ 38.906340] R13: 00007ffce07ff310 R14: 000055afc1d36bc0 R15: 000055afc1d47780 [ 38.907435] [ 38.907827] irq event stamp: 1751 [ 38.908339] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 38.909612] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 38.910888] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 38.912197] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 38.913464] ---[ end trace 0000000000000000 ]--- [ 41.670503] ------------[ cut here ]------------ [ 41.671430] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.673547] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.675109] Modules linked in: [ 41.675709] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.677745] Tainted: [W]=WARN [ 41.678355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.679868] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.680810] 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 [ 41.684066] RSP: 0018:ffff888015e4fbc0 EFLAGS: 00010286 [ 41.685063] RAX: 0000000000000000 RBX: ffffed1002bc9f78 RCX: ffffffff813a4050 [ 41.686390] RDX: ffff8880175e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.687678] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc9f2f [ 41.688992] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.690305] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e4fdf8 [ 41.691617] FS: 00007fd64325d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.693063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.694140] CR2: 00007fffda499ef7 CR3: 000000000dffa000 CR4: 0000000000350ef0 [ 41.695478] Call Trace: [ 41.695984] [ 41.696401] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.697311] ? __create_object+0x59/0x80 [ 41.698105] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.699108] __vmalloc_noprof+0x59/0x60 [ 41.699867] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.700707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.701641] bpf_prog_alloc+0x39/0x200 [ 41.702381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.703325] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.704243] do_seccomp+0x349/0x25e0 [ 41.704973] ? find_held_lock+0x2b/0x80 [ 41.705708] ? do_prlimit+0x310/0x610 [ 41.706461] ? __pfx_do_seccomp+0x10/0x10 [ 41.707287] ? do_raw_spin_unlock+0x53/0x220 [ 41.708128] ? _raw_spin_unlock+0x1e/0x40 [ 41.708930] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.709906] ? static_key_count+0x60/0x80 [ 41.710671] prctl_set_seccomp+0x4e/0x70 [ 41.711460] __do_sys_prctl+0xe6c/0x1d70 [ 41.712258] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.713134] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.714105] ? irqentry_exit+0xf3/0x650 [ 41.714884] do_syscall_64+0xbf/0x430 [ 41.715597] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.716562] RIP: 0033:0x7fd64374f5cd [ 41.717270] 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 [ 41.720465] RSP: 002b:00007fffda497b30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.721833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd64374f5cd [ 41.723139] RDX: 00005651358e5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.724443] RBP: 00007fffda497b90 R08: 0000000000000000 R09: 00007fffda497230 [ 41.725744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565163d9abf0 [ 41.727077] R13: 00007fffda497fc0 R14: 0000565163da4380 R15: 0000565163daf460 [ 41.728425] [ 41.728886] irq event stamp: 1825 [ 41.729512] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 41.731058] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 41.732116] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 41.733109] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 41.734087] ---[ end trace 0000000000000000 ]--- [ 42.503247] ------------[ cut here ]------------ [ 42.504180] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.506210] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.507667] Modules linked in: [ 42.508365] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.510385] Tainted: [W]=WARN [ 42.510986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.512459] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.513386] 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 [ 42.516580] RSP: 0018:ffff88800ebbfbc0 EFLAGS: 00010286 [ 42.517553] RAX: 0000000000000000 RBX: ffffed1001d77f78 RCX: ffffffff813a4050 [ 42.518856] RDX: ffff88800efe9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.520137] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d77f2f [ 42.521396] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.522662] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ebbfdf8 [ 42.523957] FS: 00007fbe95c9b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.525405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.526454] CR2: 00007ffe7a7beef7 CR3: 000000000deab000 CR4: 0000000000350ef0 [ 42.527785] Call Trace: [ 42.528248] [ 42.528649] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.529546] ? __create_object+0x59/0x80 [ 42.530338] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.531335] __vmalloc_noprof+0x59/0x60 [ 42.532092] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.532970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.533935] bpf_prog_alloc+0x39/0x200 [ 42.534635] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.535572] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.536483] do_seccomp+0x349/0x25e0 [ 42.537206] ? find_held_lock+0x2b/0x80 [ 42.537979] ? do_prlimit+0x310/0x610 [ 42.538677] ? __pfx_do_seccomp+0x10/0x10 [ 42.539476] ? do_raw_spin_unlock+0x53/0x220 [ 42.540315] ? _raw_spin_unlock+0x1e/0x40 [ 42.541099] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.542058] ? static_key_count+0x60/0x80 [ 42.542859] prctl_set_seccomp+0x4e/0x70 [ 42.543594] __do_sys_prctl+0xe6c/0x1d70 [ 42.544391] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.545245] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.546236] ? irqentry_exit+0xf3/0x650 [ 42.547089] do_syscall_64+0xbf/0x430 [ 42.547836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.548743] RIP: 0033:0x7fbe9618d5cd [ 42.549478] 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 [ 42.552496] RSP: 002b:00007ffe7a7bd6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.553583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe9618d5cd [ 42.554597] RDX: 000056201763ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.555628] RBP: 00007ffe7a7bd730 R08: 0000000000000000 R09: 00007ffe7a7bcdd0 [ 42.556640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562053514ad0 [ 42.557662] R13: 00007ffe7a7bdb60 R14: 0000562053515bc0 R15: 0000562053526780 [ 42.558708] [ 42.559092] irq event stamp: 1749 [ 42.559578] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.560815] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.562053] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.563299] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 42.564509] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53450' (ECDSA) to the list of known hosts. 2025/11/18 04:07:06 fuzzer started 2025/11/18 04:07:07 dialing manager at localhost:37895 2025/11/18 04:07:07 checking machine... 2025/11/18 04:07:07 checking revisions... [ 43.496925] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:07:07 testing simple program... [ 43.578459] cgroup: Unknown subsys name 'net' [ 43.629601] cgroup: Unknown subsys name 'cpuset' [ 43.641724] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:07:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff11002bb1e7d RCX=ffffffff819c5a3d RDX=ffff888015fbd340 RSI=ffffffff84c5b25e RDI=ffff88800a6f4790 RBP=000000000000000e RSP=ffff888015d8f3e0 R8 =0000000000000001 R9 =0000000000000000 R10=000000000000000e R11=0000000000000001 R12=ffff88800a6f4790 R13=ffff88800cd43200 R14=0000000000000cc0 R15=ffff888009462280 RIP=ffffffff81751c78 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 00007f91d2094900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffcd3f5918 CR3=000000000aaf9000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=cfdbd7d16ea588f300000000000ae988 XMM05=292589f64dcd8943000000000031f6b0 XMM06=090f1556b20111b3000000000031e7f8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff885b6ea0 RBX=ffff888015fb0000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88800b668268 RBP=ffff88800b668268 RSP=ffff88800eeef7b0 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 RFL=00000002 [-------] 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 00007fd36794f700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd643814618 CR3=000000000b962000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732036303a3730 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343130 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000