syzkaller login: [ 46.104157] ------------[ cut here ]------------ [ 46.105071] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.107141] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.108567] Modules linked in: [ 46.109181] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.111193] Tainted: [W]=WARN [ 46.111746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.113449] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.114438] 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 [ 46.117594] RSP: 0018:ffff88801a44fbc0 EFLAGS: 00010286 [ 46.118568] RAX: 0000000000000000 RBX: ffffed1003489f78 RCX: ffffffff813a4050 [ 46.119854] RDX: ffff888018aed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.121138] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003489f2f [ 46.122429] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.123710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a44fdf8 [ 46.125003] FS: 00007f985cbdc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.126453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.127501] CR2: 00007ffeb1c7aef8 CR3: 000000000d519000 CR4: 0000000000350ef0 [ 46.128797] Call Trace: [ 46.129316] [ 46.129727] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.130637] ? __create_object+0x59/0x80 [ 46.131419] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.132395] __vmalloc_noprof+0x59/0x60 [ 46.133157] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.134044] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.134927] bpf_prog_alloc+0x39/0x200 [ 46.135663] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.136578] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.137488] do_seccomp+0x349/0x25e0 [ 46.138218] ? find_held_lock+0x2b/0x80 [ 46.138930] ? do_prlimit+0x310/0x610 [ 46.139692] ? __pfx_do_seccomp+0x10/0x10 [ 46.140494] ? do_raw_spin_unlock+0x53/0x220 [ 46.141321] ? _raw_spin_unlock+0x1e/0x40 [ 46.142107] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.143064] ? static_key_count+0x60/0x80 [ 46.143821] prctl_set_seccomp+0x4e/0x70 [ 46.144584] __do_sys_prctl+0xe6c/0x1d70 [ 46.145357] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.146233] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.147204] ? irqentry_exit+0xf3/0x650 [ 46.147925] do_syscall_64+0xbf/0x430 [ 46.148672] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.149617] RIP: 0033:0x7f985d0ce5cd [ 46.150331] 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 [ 46.153493] RSP: 002b:00007ffeb1c784b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.154879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f985d0ce5cd [ 46.156143] RDX: 0000558bb2434e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.157411] RBP: 00007ffeb1c78510 R08: 0000000000000000 R09: 00007ffeb1c77bb0 [ 46.158722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558bcac19bf0 [ 46.159997] R13: 00007ffeb1c78940 R14: 0000558bcac23380 R15: 0000558bcac2e460 [ 46.161274] [ 46.161711] irq event stamp: 1793 [ 46.162362] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 46.163880] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 46.165383] softirqs last enabled at (1590): [] handle_softirqs+0x50c/0x770 [ 46.166939] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 46.168498] ---[ end trace 0000000000000000 ]--- [ 49.679195] ------------[ cut here ]------------ [ 49.680268] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.682697] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.684387] Modules linked in: [ 49.685119] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.687415] Tainted: [W]=WARN [ 49.688109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.689813] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.690890] 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 [ 49.694542] RSP: 0018:ffff888016d77bc0 EFLAGS: 00010286 [ 49.695675] RAX: 0000000000000000 RBX: ffffed1002daef78 RCX: ffffffff813a4050 [ 49.697152] RDX: ffff888018ae9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.698635] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002daef2f [ 49.700124] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.701603] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d77df8 [ 49.703114] FS: 00007f09e534d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.704770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.706004] CR2: 00007f09e58b34a6 CR3: 000000000dbca000 CR4: 0000000000350ef0 [ 49.707519] Call Trace: [ 49.708107] [ 49.708578] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.709636] ? __create_object+0x59/0x80 [ 49.710561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.711686] __vmalloc_noprof+0x59/0x60 [ 49.712550] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.713566] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.714661] bpf_prog_alloc+0x39/0x200 [ 49.715516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.716586] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.717628] do_seccomp+0x349/0x25e0 [ 49.718481] ? find_held_lock+0x2b/0x80 [ 49.719362] ? do_prlimit+0x310/0x610 [ 49.720211] ? __pfx_do_seccomp+0x10/0x10 [ 49.721122] ? do_raw_spin_unlock+0x53/0x220 [ 49.722112] ? _raw_spin_unlock+0x1e/0x40 [ 49.722958] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.724111] ? static_key_count+0x60/0x80 [ 49.725031] prctl_set_seccomp+0x4e/0x70 [ 49.725866] __do_sys_prctl+0xe6c/0x1d70 [ 49.726791] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.727778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.728896] ? irqentry_exit+0xf3/0x650 [ 49.729785] do_syscall_64+0xbf/0x430 [ 49.730675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.731781] RIP: 0033:0x7f09e583f5cd [ 49.732601] 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 [ 49.736252] RSP: 002b:00007fff56a2ffa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.737821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09e583f5cd [ 49.739325] RDX: 000055ec3382ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.740805] RBP: 00007fff56a30000 R08: 0000000000000000 R09: 00007fff56a2f6a0 [ 49.742285] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec6d386ad0 [ 49.743404] R13: 00007fff56a30430 R14: 000055ec6d387bc0 R15: 000055ec6d398780 [ 49.744459] [ 49.744798] irq event stamp: 1789 [ 49.745320] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 49.746568] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 49.747792] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 49.749041] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 49.750267] ---[ end trace 0000000000000000 ]--- [ 50.540726] ------------[ cut here ]------------ [ 50.541644] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.543726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.545165] Modules linked in: [ 50.545752] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.547727] Tainted: [W]=WARN [ 50.548325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.549775] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.550698] 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 [ 50.553804] RSP: 0018:ffff88801a9cfbc0 EFLAGS: 00010286 [ 50.554924] RAX: 0000000000000000 RBX: ffffed1003539f78 RCX: ffffffff813a4050 [ 50.556204] RDX: ffff888018af3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.557471] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003539f2f [ 50.558783] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.560054] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9cfdf8 [ 50.561320] FS: 00007f8305152900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.562779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.563849] CR2: 00007f8305644580 CR3: 000000001fd1e000 CR4: 0000000000350ef0 [ 50.565145] Call Trace: [ 50.565611] [ 50.566086] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.566953] ? __create_object+0x59/0x80 [ 50.567757] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.568735] __vmalloc_noprof+0x59/0x60 [ 50.569502] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.570403] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.571345] bpf_prog_alloc+0x39/0x200 [ 50.572103] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.573055] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.573921] do_seccomp+0x349/0x25e0 [ 50.574661] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.575574] ? __pfx_do_seccomp+0x10/0x10 [ 50.576373] ? find_held_lock+0x2b/0x80 [ 50.577138] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.578120] ? static_key_count+0x60/0x80 [ 50.578886] prctl_set_seccomp+0x4e/0x70 [ 50.579670] __do_sys_prctl+0xe6c/0x1d70 [ 50.580472] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.581343] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.582340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.583316] ? irqentry_exit+0xf3/0x650 [ 50.584092] do_syscall_64+0xbf/0x430 [ 50.584792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.585750] RIP: 0033:0x7f83056445cd [ 50.586505] 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 [ 50.589730] RSP: 002b:00007ffe31e63ad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.591126] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83056445cd [ 50.592425] RDX: 000056254b4c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.593722] RBP: 00007ffe31e63b30 R08: 0000000000000000 R09: 00007ffe31e631d0 [ 50.595036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562571497ad0 [ 50.596330] R13: 00007ffe31e63f60 R14: 0000562571498bc0 R15: 00005625714a9780 [ 50.597645] [ 50.598131] irq event stamp: 1705 [ 50.598685] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 50.599972] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 50.601265] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 50.602573] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 50.603836] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44976' (ECDSA) to the list of known hosts. 2025/11/17 21:18:26 fuzzer started 2025/11/17 21:18:27 dialing manager at localhost:37895 2025/11/17 21:18:27 checking machine... 2025/11/17 21:18:27 checking revisions... [ 51.527893] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:18:27 testing simple program... [ 51.629952] cgroup: Unknown subsys name 'net' [ 51.689751] cgroup: Unknown subsys name 'cpuset' [ 51.702535] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:18:26 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015e29bc0 RCX=ffff888015e0f534 RDX=1ffff11002bc53f8 RSI=ffffffff85e1ffe0 RDI=ffff888015e29fbc RBP=ffff888015e29bc0 RSP=ffff888015e0f540 R8 =0000000000000001 R9 =ffff888015e0f620 R10=000000000003c9ed R11=0000000000029334 R12=ffff888015e29bc0 R13=ffff888015e0f628 R14=ffff888015e0fb70 R15=ffff888015e0f5e0 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fae62cf4900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fae6240c020 CR3=000000000de2d000 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=454d49544c4145525f454352554f535f XMM01=3d504d415453454d49545f454d49544c XMM02=ffffffffffffffffffffffffffffffff XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=80853edd21ace94c00000000000ae988 XMM05=bca24736640c75150000000000321c60 XMM06=090f1556b20111b30000000000320390 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86aaecd0 RDX=0000000000000008 RSI=ffff8880179ffbf0 RDI=ffff8880179ff7f8 RBP=ffff8880179ff850 RSP=ffff8880179ff788 R8 =ffffffff86aaecd4 R9 =ffff8880179ff838 R10=000000000003c9ed R11=0000000000023cd8 R12=ffff8880179ff858 R13=ffff8880179ff840 R14=ffff8880179ffbf8 R15=ffff8880179ff7f8 RIP=ffffffff8135ef8f 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 00007f09e534d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff56a2a000 CR3=000000001fd28000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000