syzkaller login: [ 39.070511] ------------[ cut here ]------------ [ 39.071269] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.072904] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.074062] Modules linked in: [ 39.074533] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.076154] Tainted: [W]=WARN [ 39.076651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.077828] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.078525] 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 [ 39.081083] RSP: 0018:ffff888017647bc0 EFLAGS: 00010286 [ 39.081880] RAX: 0000000000000000 RBX: ffffed1002ec8f78 RCX: ffffffff813a4050 [ 39.082927] RDX: ffff888016290000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083959] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec8f2f [ 39.084989] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.086042] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017647df8 [ 39.087069] FS: 00007f0fefbf9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.088235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089082] CR2: 00007ffc2b278ef7 CR3: 0000000009c7e000 CR4: 0000000000350ef0 [ 39.090111] Call Trace: [ 39.090480] [ 39.090852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.091549] ? __create_object+0x59/0x80 [ 39.092175] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.092958] __vmalloc_noprof+0x59/0x60 [ 39.093537] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.094238] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.094985] bpf_prog_alloc+0x39/0x200 [ 39.095547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.096289] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.097021] do_seccomp+0x349/0x25e0 [ 39.097565] ? find_held_lock+0x2b/0x80 [ 39.098178] ? do_prlimit+0x310/0x610 [ 39.098784] ? __pfx_do_seccomp+0x10/0x10 [ 39.099381] ? do_raw_spin_unlock+0x53/0x220 [ 39.100058] ? _raw_spin_unlock+0x1e/0x40 [ 39.100683] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.101414] ? static_key_count+0x60/0x80 [ 39.102061] prctl_set_seccomp+0x4e/0x70 [ 39.102699] __do_sys_prctl+0xe6c/0x1d70 [ 39.103305] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.103998] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.104765] ? irqentry_exit+0xf3/0x650 [ 39.105335] do_syscall_64+0xbf/0x430 [ 39.105929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.106684] RIP: 0033:0x7f0ff00eb5cd [ 39.107218] 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 [ 39.109791] RSP: 002b:00007ffc2b276bc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.110899] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ff00eb5cd [ 39.111935] RDX: 0000564535594e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.112966] RBP: 00007ffc2b276c20 R08: 0000000000000000 R09: 00007ffc2b2762c0 [ 39.114009] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564547b12ad0 [ 39.115050] R13: 00007ffc2b277050 R14: 0000564547b13bc0 R15: 0000564547b24780 [ 39.116112] [ 39.116454] irq event stamp: 1837 [ 39.116977] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 39.118204] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 39.119434] softirqs last enabled at (1816): [] handle_softirqs+0x50c/0x770 [ 39.120686] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 39.121899] ---[ end trace 0000000000000000 ]--- [ 42.175762] ------------[ cut here ]------------ [ 42.176707] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.178708] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.180188] Modules linked in: [ 42.180834] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.182778] Tainted: [W]=WARN [ 42.183328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.184764] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.185648] 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 [ 42.188766] RSP: 0018:ffff888016bd7bc0 EFLAGS: 00010286 [ 42.189732] RAX: 0000000000000000 RBX: ffffed1002d7af78 RCX: ffffffff813a4050 [ 42.190991] RDX: ffff888013f1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.192261] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7af2f [ 42.193514] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.194763] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bd7df8 [ 42.196021] FS: 00007fdfad45a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.197425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.198454] CR2: 00007ffe535f0ef7 CR3: 000000000d964000 CR4: 0000000000350ef0 [ 42.199708] Call Trace: [ 42.200161] [ 42.200560] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.201452] ? __create_object+0x59/0x80 [ 42.202221] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.203176] __vmalloc_noprof+0x59/0x60 [ 42.203945] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.204809] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.205726] bpf_prog_alloc+0x39/0x200 [ 42.206406] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.207326] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.208215] do_seccomp+0x349/0x25e0 [ 42.208923] ? find_held_lock+0x2b/0x80 [ 42.209669] ? do_prlimit+0x310/0x610 [ 42.210357] ? __pfx_do_seccomp+0x10/0x10 [ 42.211128] ? do_raw_spin_unlock+0x53/0x220 [ 42.211964] ? _raw_spin_unlock+0x1e/0x40 [ 42.212743] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.213697] ? static_key_count+0x60/0x80 [ 42.214435] prctl_set_seccomp+0x4e/0x70 [ 42.215193] __do_sys_prctl+0xe6c/0x1d70 [ 42.215972] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.216820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.217757] ? irqentry_exit+0xf3/0x650 [ 42.218458] do_syscall_64+0xbf/0x430 [ 42.219193] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.220144] RIP: 0033:0x7fdfad94c5cd [ 42.220842] 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 [ 42.223937] RSP: 002b:00007ffe535ee5e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.225278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfad94c5cd [ 42.226534] RDX: 0000555cd14aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.227809] RBP: 00007ffe535ee640 R08: 0000000000000000 R09: 00007ffe535edce0 [ 42.229059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555cdfffb240 [ 42.230300] R13: 00007ffe535eea70 R14: 0000555ce0004380 R15: 0000555ce000f540 [ 42.231638] [ 42.232052] irq event stamp: 1803 [ 42.232698] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.234190] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.235685] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 42.237196] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 42.238691] ---[ end trace 0000000000000000 ]--- [ 43.007267] ------------[ cut here ]------------ [ 43.007983] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.009558] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.010689] Modules linked in: [ 43.011143] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.012663] Tainted: [W]=WARN [ 43.013087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.014214] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.014927] 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 [ 43.017390] RSP: 0018:ffff888016e57bc0 EFLAGS: 00010286 [ 43.018146] RAX: 0000000000000000 RBX: ffffed1002dcaf78 RCX: ffffffff813a4050 [ 43.019139] RDX: ffff88801aa19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.020128] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcaf2f [ 43.021114] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.022093] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e57df8 [ 43.023074] FS: 00007f24e85ed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.024194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.025015] CR2: 00007ffef7c51ef7 CR3: 000000000cdd1000 CR4: 0000000000350ef0 [ 43.025996] Call Trace: [ 43.026353] [ 43.026701] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.027367] ? __create_object+0x59/0x80 [ 43.027968] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.028708] __vmalloc_noprof+0x59/0x60 [ 43.029256] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.029926] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.030638] bpf_prog_alloc+0x39/0x200 [ 43.031166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.031884] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.032541] do_seccomp+0x349/0x25e0 [ 43.033087] ? find_held_lock+0x2b/0x80 [ 43.033675] ? do_prlimit+0x310/0x610 [ 43.034217] ? __pfx_do_seccomp+0x10/0x10 [ 43.034819] ? do_raw_spin_unlock+0x53/0x220 [ 43.035436] ? _raw_spin_unlock+0x1e/0x40 [ 43.036037] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.036778] ? static_key_count+0x60/0x80 [ 43.037362] prctl_set_seccomp+0x4e/0x70 [ 43.037956] __do_sys_prctl+0xe6c/0x1d70 [ 43.038524] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.039184] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.039955] ? irqentry_exit+0xf3/0x650 [ 43.040513] do_syscall_64+0xbf/0x430 [ 43.041082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.041817] RIP: 0033:0x7f24e8adf5cd [ 43.042325] 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 [ 43.044787] RSP: 002b:00007ffef7c50580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.045841] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24e8adf5cd [ 43.046836] RDX: 000055e67d0a7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.047836] RBP: 00007ffef7c505e0 R08: 0000000000000000 R09: 00007ffef7c4fc80 [ 43.048841] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e68badaad0 [ 43.049831] R13: 00007ffef7c50a10 R14: 000055e68badbbc0 R15: 000055e68baec780 [ 43.050845] [ 43.051204] irq event stamp: 1771 [ 43.051757] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.053020] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 43.054274] softirqs last enabled at (1266): [] handle_softirqs+0x50c/0x770 [ 43.055561] softirqs last disabled at (1245): [] __irq_exit_rcu+0xc4/0x100 [ 43.056825] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23493' (ECDSA) to the list of known hosts. 2025/11/18 05:40:28 fuzzer started 2025/11/18 05:40:29 dialing manager at localhost:37895 2025/11/18 05:40:29 checking machine... 2025/11/18 05:40:29 checking revisions... [ 44.071035] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:40:29 testing simple program... [ 44.165511] cgroup: Unknown subsys name 'net' [ 44.226808] cgroup: Unknown subsys name 'cpuset' [ 44.241498] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:40:28 Registers: info registers vcpu 0 RAX=1ffffffff0ce34fb RBX=ffffffff8671a7d8 RCX=ffffffff81a55f53 RDX=0000000000000000 RSI=ffffffff86aa75ea RDI=ffffffff8671a7d0 RBP=ffffffff8671a7d0 RSP=ffff888018687308 R8 =ffffffff86aa75ea R9 =0000000000000000 R10=000000000003c9ed R11=0000000000022907 R12=ffffffff8671a7e4 R13=ffffffff8671a7d0 R14=ffffffff8671a7d0 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 00007fdfad45a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdfad424008 CR3=000000001ef31000 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=dffffc0000000000 RBX=ffff88806cf08a70 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1159 RSI=ffffffff85e1ffe0 RDI=ffffffff813c0e01 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a58 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000011d83 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff8135e1d2 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7f1bb61018 CR3=000000000def7000 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=30343a353020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323030 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000