syzkaller login: [ 39.123582] ------------[ cut here ]------------ [ 39.124361] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.126024] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.127231] Modules linked in: [ 39.127736] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.129367] Tainted: [W]=WARN [ 39.129833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.131064] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.131830] 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 [ 39.134479] RSP: 0018:ffff88801687fbc0 EFLAGS: 00010286 [ 39.135286] RAX: 0000000000000000 RBX: ffffed1002d0ff78 RCX: ffffffff813a4050 [ 39.136364] RDX: ffff888016251bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.137425] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0ff2f [ 39.138496] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.139584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801687fdf8 [ 39.140664] FS: 00007f446946f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.141862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.142749] CR2: 00007ffdca8d7ef7 CR3: 000000000dead000 CR4: 0000000000350ef0 [ 39.143828] Call Trace: [ 39.144247] [ 39.144589] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.145335] ? __create_object+0x59/0x80 [ 39.145949] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.146755] __vmalloc_noprof+0x59/0x60 [ 39.147387] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.148074] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.148853] bpf_prog_alloc+0x39/0x200 [ 39.149458] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.150233] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.150948] do_seccomp+0x349/0x25e0 [ 39.151568] ? find_held_lock+0x2b/0x80 [ 39.152207] ? do_prlimit+0x310/0x610 [ 39.152793] ? __pfx_do_seccomp+0x10/0x10 [ 39.153454] ? do_raw_spin_unlock+0x53/0x220 [ 39.154162] ? _raw_spin_unlock+0x1e/0x40 [ 39.154777] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.155596] ? static_key_count+0x60/0x80 [ 39.156269] prctl_set_seccomp+0x4e/0x70 [ 39.156879] __do_sys_prctl+0xe6c/0x1d70 [ 39.157530] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.158237] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.159004] ? irqentry_exit+0xf3/0x650 [ 39.159650] do_syscall_64+0xbf/0x430 [ 39.160256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.161006] RIP: 0033:0x7f44699615cd [ 39.161595] 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 [ 39.164242] RSP: 002b:00007ffdca8d6450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.165372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44699615cd [ 39.166444] RDX: 000056329e2a8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.167513] RBP: 00007ffdca8d64b0 R08: 0000000000000000 R09: 00007ffdca8d5b50 [ 39.168584] R10: 0000000000000000 R11: 0000000000000246 R12: 00005632aa446bf0 [ 39.169651] R13: 00007ffdca8d68e0 R14: 00005632aa450380 R15: 00005632aa45b460 [ 39.170745] [ 39.171096] irq event stamp: 1801 [ 39.171643] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 39.172911] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 39.174192] softirqs last enabled at (1294): [] handle_softirqs+0x50c/0x770 [ 39.175499] softirqs last disabled at (1285): [] __irq_exit_rcu+0xc4/0x100 [ 39.176774] ---[ end trace 0000000000000000 ]--- [ 42.645770] ------------[ cut here ]------------ [ 42.646987] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.649325] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.650757] Modules linked in: [ 42.651449] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.653444] Tainted: [W]=WARN [ 42.653995] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.655490] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.656410] 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 [ 42.659558] RSP: 0018:ffff888016b67bc0 EFLAGS: 00010286 [ 42.660544] RAX: 0000000000000000 RBX: ffffed1002d6cf78 RCX: ffffffff813a4050 [ 42.661809] RDX: ffff88801701d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.663093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6cf2f [ 42.664391] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.665666] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b67df8 [ 42.666934] FS: 00007fbbb3b54900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.668368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.669414] CR2: 00007fbbb4046580 CR3: 000000000ea92000 CR4: 0000000000350ef0 [ 42.670678] Call Trace: [ 42.671176] [ 42.671601] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.672488] ? __create_object+0x59/0x80 [ 42.673257] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.674221] __vmalloc_noprof+0x59/0x60 [ 42.674921] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.675796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.676700] bpf_prog_alloc+0x39/0x200 [ 42.677419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.678340] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.679229] do_seccomp+0x349/0x25e0 [ 42.679907] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.680792] ? __pfx_do_seccomp+0x10/0x10 [ 42.681567] ? find_held_lock+0x2b/0x80 [ 42.682324] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.683275] ? static_key_count+0x60/0x80 [ 42.684028] prctl_set_seccomp+0x4e/0x70 [ 42.684804] __do_sys_prctl+0xe6c/0x1d70 [ 42.685602] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.686477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.687521] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.688517] ? irqentry_exit+0xf3/0x650 [ 42.689305] do_syscall_64+0xbf/0x430 [ 42.690005] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.690964] RIP: 0033:0x7fbbb40465cd [ 42.691685] 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 [ 42.694867] RSP: 002b:00007ffedfcb1af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.696246] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbbb40465cd [ 42.697546] RDX: 000055c07a54ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.698823] RBP: 00007ffedfcb1b50 R08: 0000000000000000 R09: 00007ffedfcb11f0 [ 42.700133] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0a2c73ad0 [ 42.701415] R13: 00007ffedfcb1f80 R14: 000055c0a2c74bc0 R15: 000055c0a2c85780 [ 42.702720] [ 42.703183] irq event stamp: 1731 [ 42.703809] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.705331] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 42.706865] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 42.708371] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 42.709642] ---[ end trace 0000000000000000 ]--- [ 43.589681] ------------[ cut here ]------------ [ 43.590636] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.592686] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.594182] Modules linked in: [ 43.594770] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.598170] Tainted: [W]=WARN [ 43.598730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.600226] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.601163] 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 [ 43.604341] RSP: 0018:ffff888016c57bc0 EFLAGS: 00010286 [ 43.605348] RAX: 0000000000000000 RBX: ffffed1002d8af78 RCX: ffffffff813a4050 [ 43.606651] RDX: ffff888017069bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.607966] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8af2f [ 43.609274] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.610568] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c57df8 [ 43.611891] FS: 00007fe0d1c6f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.613368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.614456] CR2: 00007ffeb89f2ef7 CR3: 000000001466d000 CR4: 0000000000350ef0 [ 43.615785] Call Trace: [ 43.616304] [ 43.616707] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.617641] ? __create_object+0x59/0x80 [ 43.618447] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.619445] __vmalloc_noprof+0x59/0x60 [ 43.620235] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.621094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.622059] bpf_prog_alloc+0x39/0x200 [ 43.622797] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.623765] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.624838] do_seccomp+0x349/0x25e0 [ 43.625782] ? find_held_lock+0x2b/0x80 [ 43.626767] ? do_prlimit+0x310/0x610 [ 43.627667] ? __pfx_do_seccomp+0x10/0x10 [ 43.628481] ? do_raw_spin_unlock+0x53/0x220 [ 43.629350] ? _raw_spin_unlock+0x1e/0x40 [ 43.630102] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.631088] ? static_key_count+0x60/0x80 [ 43.631941] prctl_set_seccomp+0x4e/0x70 [ 43.632732] __do_sys_prctl+0xe6c/0x1d70 [ 43.633545] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.634435] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.635453] ? irqentry_exit+0xf3/0x650 [ 43.636325] do_syscall_64+0xbf/0x430 [ 43.637060] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.638041] RIP: 0033:0x7fe0d21615cd [ 43.638746] 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 [ 43.641946] RSP: 002b:00007ffeb89f11d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.643350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0d21615cd [ 43.644669] RDX: 0000556f061d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.645978] RBP: 00007ffeb89f1230 R08: 0000000000000000 R09: 00007ffeb89f08d0 [ 43.647299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f08581bf0 [ 43.648546] R13: 00007ffeb89f1660 R14: 0000556f0858b380 R15: 0000556f08596460 [ 43.649586] [ 43.649926] irq event stamp: 2013 [ 43.650442] hardirqs last enabled at (2023): [] __up_console_sem+0x78/0x80 [ 43.651670] hardirqs last disabled at (2032): [] __up_console_sem+0x5d/0x80 [ 43.652887] softirqs last enabled at (1972): [] handle_softirqs+0x50c/0x770 [ 43.654129] softirqs last disabled at (1961): [] __irq_exit_rcu+0xc4/0x100 [ 43.655364] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28418' (ECDSA) to the list of known hosts. 2025/11/17 21:34:41 fuzzer started 2025/11/17 21:34:41 dialing manager at localhost:37895 2025/11/17 21:34:41 checking machine... 2025/11/17 21:34:41 checking revisions... [ 44.547595] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:34:42 testing simple program... [ 44.652532] cgroup: Unknown subsys name 'net' [ 44.729563] cgroup: Unknown subsys name 'cpuset' [ 44.748484] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:34:41 Registers: info registers vcpu 0 RAX=000000001b8ff401 RBX=ffffffff81618fa0 RCX=ffff88801b8ff364 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888018529fbc RBP=ffff88801b8ff4a8 RSP=ffff88801b8ff3f8 R8 =0000000000000001 R9 =ffff88801b8ff450 R10=000000000003c9ed R11=000000000002672d R12=ffff88801b8ff4d8 R13=0000000000000000 R14=ffff88801b8ff5d8 R15=ffff88801b8ff410 RIP=ffffffff8135e43d RFL=00000286 [--S--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 00007f025ecf5700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8e99734230 CR3=000000000e9a9000 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=756e696c65735f687373203a726f7272 XMM02=2079746972756365732078756e694c45 XMM03=2064656c696146203a656d616e796278 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323834 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000001 RDX=1ffff11002e036fd RSI=ffff88806cf37358 RDI=ffff88801701b7e8 RBP=ffff888009d71c40 RSP=ffff888014b87968 R8 =0000000000000001 R9 =ffff88806cf37500 R10=ffffffff8664f657 R11=0000000000000001 R12=ffff88801701b800 R13=ffff88806cf37400 R14=dffffc0000000000 R15=ffff88806cf37340 RIP=ffffffff814b989c RFL=00000012 [----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 00007fb27ae07900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbbb410b618 CR3=000000000dcb8000 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=a69b67ce96d140af234ef86ab27597bb XMM02=0000000000306af8eff9b2d0a8fce9cb XMM03=0000000000306bc82c67c8bc2e329bc3 XMM04=3810eb1b0b2d05d900000000000ae988 XMM05=090f1556b20111b30000000000320120 XMM06=5b75c91c80445342000000000031ffa8 XMM07=e042d86d42eb936e0000000000310900 XMM08=1ec3006876e7a64b0000000000306bc8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000