[ 45.914053] ------------[ cut here ]------------ [ 45.915009] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.917036] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 45.918495] Modules linked in: [ 45.919081] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.921082] Tainted: [W]=WARN [ 45.921679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.923144] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.924074] 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 [ 45.927237] RSP: 0018:ffff888019a7fbc0 EFLAGS: 00010286 [ 45.928208] RAX: 0000000000000000 RBX: ffffed100334ff78 RCX: ffffffff813a4050 [ 45.929507] RDX: ffff88801b013780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.930815] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100334ff2f [ 45.932113] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.933449] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a7fdf8 [ 45.934735] FS: 00007f4b20574900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.936172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.937282] CR2: 00007f4b20a66580 CR3: 000000000d659000 CR4: 0000000000350ef0 [ 45.938594] Call Trace: [ 45.939073] [ 45.939534] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.940405] ? __create_object+0x59/0x80 [ 45.941212] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.942182] __vmalloc_noprof+0x59/0x60 [ 45.942945] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.943831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.944789] bpf_prog_alloc+0x39/0x200 [ 45.945542] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.946500] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.947368] do_seccomp+0x349/0x25e0 [ 45.948216] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.949134] ? __pfx_do_seccomp+0x10/0x10 [ 45.950039] ? find_held_lock+0x2b/0x80 Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.951669] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.953055] ? static_key_count+0x60/0x80 [ 45.953876] prctl_set_seccomp+0x4e/0x70 [ 45.954673] __do_sys_prctl+0xe6c/0x1d70 [ 45.955489] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.956325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.957326] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.958328] ? irqentry_exit+0xf3/0x650 [ 45.959112] do_syscall_64+0xbf/0x430 [ 45.959876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.960858] RIP: 0033:0x7f4b20a665cd [ 45.961580] 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 [ 45.964827] RSP: 002b:00007fff58011fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.966216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b20a665cd [ 45.967528] RDX: 0000558f4ea5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.968845] RBP: 00007fff58012000 R08: 0000000000000000 R09: 00007fff580116a0 [ 45.970157] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f5bebe2b0 [ 45.971468] R13: 00007fff58012430 R14: 0000558f5bec0d20 R15: 0000558f5bed28d0 [ 45.972803] [ 45.973234] irq event stamp: 1739 [ 45.973900] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 45.975462] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 45.977023] softirqs last enabled at (1548): [] handle_softirqs+0x50c/0x770 [ 45.978602] softirqs last disabled at (1541): [] __irq_exit_rcu+0xc4/0x100 [ 45.980147] ---[ end trace 0000000000000000 ]--- [ 49.278119] ------------[ cut here ]------------ [ 49.279034] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.281095] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.282743] Modules linked in: [ 49.283325] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.285413] Tainted: [W]=WARN [ 49.285999] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.287457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.288324] 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 [ 49.291490] RSP: 0018:ffff88801afafbc0 EFLAGS: 00010286 [ 49.292417] RAX: 0000000000000000 RBX: ffffed10035f5f78 RCX: ffffffff813a4050 [ 49.293707] RDX: ffff888017db1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.294974] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035f5f2f [ 49.296256] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.297546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801afafdf8 [ 49.298820] FS: 00007fea2e632900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.300243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.301306] CR2: 00007fea2eb24580 CR3: 000000000bf2c000 CR4: 0000000000350ef0 [ 49.302580] Call Trace: [ 49.303038] [ 49.303474] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.304320] ? __create_object+0x59/0x80 [ 49.305106] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.306069] __vmalloc_noprof+0x59/0x60 [ 49.306815] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.307682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.308612] bpf_prog_alloc+0x39/0x200 [ 49.309320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.310265] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.311166] do_seccomp+0x349/0x25e0 [ 49.311884] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.312786] ? __pfx_do_seccomp+0x10/0x10 [ 49.313567] ? find_held_lock+0x2b/0x80 [ 49.314278] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.315232] ? static_key_count+0x60/0x80 [ 49.316032] prctl_set_seccomp+0x4e/0x70 [ 49.316815] __do_sys_prctl+0xe6c/0x1d70 [ 49.317592] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.318394] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.319354] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.320310] ? irqentry_exit+0xf3/0x650 [ 49.321087] do_syscall_64+0xbf/0x430 [ 49.321827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.322774] RIP: 0033:0x7fea2eb245cd [ 49.323475] 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 [ 49.326629] RSP: 002b:00007fff28e04490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.327981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea2eb245cd [ 49.329290] RDX: 000055b97899de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.330570] RBP: 00007fff28e044f0 R08: 0000000000000000 R09: 00007fff28e03b90 [ 49.331851] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b9a8f7dad0 [ 49.333130] R13: 00007fff28e04920 R14: 000055b9a8f7ebc0 R15: 000055b9a8f8f780 [ 49.334472] [ 49.334909] irq event stamp: 1851 [ 49.335555] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 49.337072] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 49.338582] softirqs last enabled at (1838): [] handle_softirqs+0x50c/0x770 [ 49.340102] softirqs last disabled at (1833): [] __irq_exit_rcu+0xc4/0x100 [ 49.341625] ---[ end trace 0000000000000000 ]--- [ 50.148145] ------------[ cut here ]------------ [ 50.149239] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.151623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.153350] Modules linked in: [ 50.154098] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.156385] Tainted: [W]=WARN [ 50.157109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.158812] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.159877] 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 [ 50.163554] RSP: 0018:ffff888016e8fbc0 EFLAGS: 00010286 [ 50.164713] RAX: 0000000000000000 RBX: ffffed1002dd1f78 RCX: ffffffff813a4050 [ 50.166214] RDX: ffff888016c40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.167715] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd1f2f [ 50.169229] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.170726] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e8fdf8 [ 50.172235] FS: 00007f2f60260900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.173920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.175151] CR2: 00007ffd01888ef8 CR3: 000000000e6ef000 CR4: 0000000000350ef0 [ 50.176667] Call Trace: [ 50.177210] [ 50.177754] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.178811] ? __create_object+0x59/0x80 [ 50.179730] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.180881] __vmalloc_noprof+0x59/0x60 [ 50.181783] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.182810] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.183906] bpf_prog_alloc+0x39/0x200 [ 50.184797] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.185881] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.186946] do_seccomp+0x349/0x25e0 [ 50.187787] ? find_held_lock+0x2b/0x80 [ 50.188699] ? do_prlimit+0x310/0x610 [ 50.189582] ? __pfx_do_seccomp+0x10/0x10 [ 50.190505] ? do_raw_spin_unlock+0x53/0x220 [ 50.191419] ? _raw_spin_unlock+0x1e/0x40 [ 50.192346] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.193502] ? static_key_count+0x60/0x80 [ 50.194372] prctl_set_seccomp+0x4e/0x70 [ 50.195281] __do_sys_prctl+0xe6c/0x1d70 [ 50.196199] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.197228] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.198354] ? irqentry_exit+0xf3/0x650 [ 50.199251] do_syscall_64+0xbf/0x430 [ 50.200110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.201236] RIP: 0033:0x7f2f607525cd [ 50.202077] 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 [ 50.205762] RSP: 002b:00007ffd01887e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.207359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f607525cd [ 50.208857] RDX: 000055b8e19cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.210350] RBP: 00007ffd01887ec0 R08: 0000000000000000 R09: 00007ffd01887560 [ 50.211843] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b90783a240 [ 50.213333] R13: 00007ffd018882f0 R14: 000055b907839bf0 R15: 000055b90784e4d0 [ 50.214611] [ 50.215020] irq event stamp: 1747 [ 50.215658] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 50.217145] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 50.218619] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 50.220117] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 50.221600] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23733' (ECDSA) to the list of known hosts. 2025/11/18 00:38:54 fuzzer started 2025/11/18 00:38:55 dialing manager at localhost:37895 2025/11/18 00:38:55 checking machine... 2025/11/18 00:38:55 checking revisions... [ 51.112824] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:38:55 testing simple program... [ 51.199098] cgroup: Unknown subsys name 'net' [ 51.258090] cgroup: Unknown subsys name 'cpuset' [ 51.272199] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:38:54 Registers: info registers vcpu 0 RAX=ffffffff815d6b08 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888009627c01 RSI=ffff888009627c38 RDI=ffff888009627c38 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86aaf52c R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000023e3c R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627c40 R15=ffff888009627840 RIP=ffffffff8135efad RFL=00000202 [-------] 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 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=00007fcf3acf6000 CR3=000000000d968000 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=2034353a38333a303020383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033353a38333a3030203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080000000 RBX=ffff88801b307a32 RCX=ffffffff81be965d RDX=ffff888017db5340 RSI=ffffffff81be9667 RDI=0000000000000005 RBP=dffffc0000000000 RSP=ffff88801b307940 R8 =0000000000000001 R9 =ffffed1002dbe97c R10=0000000000000000 R11=0000000000000001 R12=ffff88801b307a18 R13=0000000000000000 R14=00007fff28dfd380 R15=00007fff28dfd378 RIP=ffffffff81751c87 RFL=00040246 [---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 00007fea2e632900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff28dfe000 CR3=000000000d30c000 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=6720646572637465733a4d41503d706f 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