[ 38.968934] ------------[ cut here ]------------ [ 38.969400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.970373] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.971043] Modules linked in: [ 38.971359] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.972307] Tainted: [W]=WARN [ 38.972574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.973285] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.973697] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.975215] RSP: 0018:ffff888015d97bc0 EFLAGS: 00010286 [ 38.975659] RAX: 0000000000000000 RBX: ffffed1002bb2f78 RCX: ffffffff813a4050 [ 38.976279] RDX: ffff888009a73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.976865] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb2f2f [ 38.977483] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.978076] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d97df8 [ 38.978688] FS: 00007f7e933a9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.979371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.979852] CR2: 00007ffdcf349ef8 CR3: 000000000d4f8000 CR4: 0000000000350ef0 [ 38.980461] Call Trace: [ 38.980684] [ 38.980881] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.981315] ? __create_object+0x59/0x80 [ 38.981668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.982117] __vmalloc_noprof+0x59/0x60 [ 38.982479] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.982872] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.983316] bpf_prog_alloc+0x39/0x200 [ 38.983642] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.984064] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.984498] do_seccomp+0x349/0x25e0 [ 38.984815] ? find_held_lock+0x2b/0x80 [ 38.985150] ? do_prlimit+0x310/0x610 [ 38.985507] ? __pfx_do_seccomp+0x10/0x10 [ 38.985866] ? do_raw_spin_unlock+0x53/0x220 [ 38.986265] ? _raw_spin_unlock+0x1e/0x40 [ 38.986612] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.987042] ? static_key_count+0x60/0x80 [ 38.987424] prctl_set_seccomp+0x4e/0x70 [ 38.987774] __do_sys_prctl+0xe6c/0x1d70 [ 38.988123] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.988530] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.988972] ? irqentry_exit+0xf3/0x650 [ 38.989337] do_syscall_64+0xbf/0x430 [ 38.989664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.990098] RIP: 0033:0x7f7e9389b5cd [ 38.990436] 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 [ 38.991948] RSP: 002b:00007ffdcf348970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.992593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e9389b5cd [ 38.993201] RDX: 0000564f0fa24e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.993790] RBP: 00007ffdcf3489d0 R08: 0000000000000000 R09: 00007ffdcf348070 [ 38.994401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f2095bbf0 [ 38.994986] R13: 00007ffdcf348e00 R14: 0000564f20965380 R15: 0000564f20970460 [ 38.995604] [ 38.995806] irq event stamp: 1675 [ 38.996096] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 38.996818] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 38.997536] softirqs last enabled at (1232): [] handle_softirqs+0x50c/0x770 [ 38.998279] softirqs last disabled at (1223): [] __irq_exit_rcu+0xc4/0x100 [ 38.998968] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.355106] ------------[ cut here ]------------ [ 42.356005] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.357969] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.359382] Modules linked in: [ 42.359977] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.362114] Tainted: [W]=WARN [ 42.362973] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.364423] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.365318] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.368708] RSP: 0018:ffff888016eafbc0 EFLAGS: 00010286 [ 42.369908] RAX: 0000000000000000 RBX: ffffed1002dd5f78 RCX: ffffffff813a4050 [ 42.371373] RDX: ffff888016898000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.372638] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd5f2f [ 42.373912] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.375188] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eafdf8 [ 42.376466] FS: 00007f1371d64900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.377897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.378939] CR2: 00007f1372256580 CR3: 000000000b892000 CR4: 0000000000350ef0 [ 42.380228] Call Trace: [ 42.380690] [ 42.381092] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.381997] ? __create_object+0x59/0x80 [ 42.382769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.383727] __vmalloc_noprof+0x59/0x60 [ 42.384479] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.385344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.386271] bpf_prog_alloc+0x39/0x200 [ 42.386961] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.387877] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.388776] do_seccomp+0x349/0x25e0 [ 42.389486] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.390389] ? __pfx_do_seccomp+0x10/0x10 [ 42.391129] ? find_held_lock+0x2b/0x80 [ 42.391879] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.392834] ? static_key_count+0x60/0x80 [ 42.393616] prctl_set_seccomp+0x4e/0x70 [ 42.394420] __do_sys_prctl+0xe6c/0x1d70 [ 42.395147] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.396003] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.396956] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.397916] ? irqentry_exit+0xf3/0x650 [ 42.398684] do_syscall_64+0xbf/0x430 [ 42.399428] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.400378] RIP: 0033:0x7f13722565cd [ 42.401029] 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 [ 42.404188] RSP: 002b:00007ffce7aa91e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.405538] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f13722565cd [ 42.406816] RDX: 0000561c34dcae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.408084] RBP: 00007ffce7aa9240 R08: 0000000000000000 R09: 00007ffce7aa88e0 [ 42.409362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c59b2ab10 [ 42.410645] R13: 00007ffce7aa9670 R14: 0000561c59b2b2b0 R15: 0000561c59b3f6f0 [ 42.411950] [ 42.412404] irq event stamp: 1677 [ 42.413003] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 42.414532] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 42.416031] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 42.417563] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 42.419071] ---[ end trace 0000000000000000 ]--- [ 43.265670] ------------[ cut here ]------------ [ 43.266593] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.268570] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.270046] Modules linked in: [ 43.270693] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.272885] Tainted: [W]=WARN [ 43.273548] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.275016] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.275931] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.279060] RSP: 0018:ffff8880172d7bc0 EFLAGS: 00010286 [ 43.280042] RAX: 0000000000000000 RBX: ffffed1002e5af78 RCX: ffffffff813a4050 [ 43.281314] RDX: ffff88801a179bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.282589] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5af2f [ 43.283853] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.285125] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172d7df8 [ 43.286396] FS: 00007f8520488900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.287814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.288865] CR2: 00007fffa63f8ef8 CR3: 0000000021292000 CR4: 0000000000350ef0 [ 43.290146] Call Trace: [ 43.290640] [ 43.291050] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.291941] ? __create_object+0x59/0x80 [ 43.292703] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.293663] __vmalloc_noprof+0x59/0x60 [ 43.294426] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.295292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.296216] bpf_prog_alloc+0x39/0x200 [ 43.296898] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.297815] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.298698] do_seccomp+0x349/0x25e0 [ 43.299414] ? find_held_lock+0x2b/0x80 [ 43.300114] ? do_prlimit+0x310/0x610 [ 43.300848] ? __pfx_do_seccomp+0x10/0x10 [ 43.301627] ? do_raw_spin_unlock+0x53/0x220 [ 43.302469] ? _raw_spin_unlock+0x1e/0x40 [ 43.303240] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.304146] ? static_key_count+0x60/0x80 [ 43.304941] prctl_set_seccomp+0x4e/0x70 [ 43.305705] __do_sys_prctl+0xe6c/0x1d70 [ 43.306500] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.307357] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.308318] ? irqentry_exit+0xf3/0x650 [ 43.309020] do_syscall_64+0xbf/0x430 [ 43.309754] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.310713] RIP: 0033:0x7f852097a5cd [ 43.311422] 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 [ 43.314571] RSP: 002b:00007fffa63f71f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.315919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f852097a5cd [ 43.317215] RDX: 000055bdb43c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.318508] RBP: 00007fffa63f7250 R08: 0000000000000000 R09: 00007fffa63f68f0 [ 43.319775] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bddb1efad0 [ 43.321044] R13: 00007fffa63f7680 R14: 000055bddb1f0bc0 R15: 000055bddb201780 [ 43.322362] [ 43.322782] irq event stamp: 1795 [ 43.323427] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 43.324921] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 43.326434] softirqs last enabled at (1516): [] handle_softirqs+0x50c/0x770 [ 43.327958] softirqs last disabled at (1501): [] __irq_exit_rcu+0xc4/0x100 [ 43.329451] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52955' (ECDSA) to the list of known hosts. 2025/11/18 19:00:28 fuzzer started 2025/11/18 19:00:28 dialing manager at localhost:34383 2025/11/18 19:00:28 checking machine... 2025/11/18 19:00:28 checking revisions... [ 44.199104] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:00:29 testing simple program... [ 44.279350] cgroup: Unknown subsys name 'net' [ 44.347701] cgroup: Unknown subsys name 'cpuset' [ 44.361563] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:00:28 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801e73f888 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801e73f398 R8 =0000000000000001 R9 =ffff88801e73f490 R10=000000000003c9ed R11=000000000009b70d R12=ffffffff8135e7a2 R13=ffff88801e73f498 R14=ffff88801e73f870 R15=ffff88801e73f450 RIP=ffffffff81528efc RFL=00000247 [---Z-PC] 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 00007f1371d64900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f137231b618 CR3=0000000021198000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000249f5 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f496c093b78 CR3=000000000d36a000 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=2038323a30303a393120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037323a30303a3931203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000