[ 39.036800] ------------[ cut here ]------------ [ 39.037740] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.039764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.041219] Modules linked in: [ 39.041820] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.043837] Tainted: [W]=WARN [ 39.044439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.045927] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.046856] 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 [ 39.050049] RSP: 0018:ffff88800a367bc0 EFLAGS: 00010286 [ 39.051029] RAX: 0000000000000000 RBX: ffffed100146cf78 RCX: ffffffff813a4050 [ 39.052323] RDX: ffff888017a00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.053618] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100146cf2f [ 39.054898] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.056178] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a367df8 [ 39.057483] FS: 00007f3fa3ed5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.058929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.059999] CR2: 00007f3fa43c7580 CR3: 000000001bd36000 CR4: 0000000000350ef0 [ 39.061302] Call Trace: [ 39.061760] [ 39.062202] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.063058] ? __create_object+0x59/0x80 [ 39.063855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.064849] __vmalloc_noprof+0x59/0x60 [ 39.065617] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.066490] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.067428] bpf_prog_alloc+0x39/0x200 [ 39.068204] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.069161] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.070027] do_seccomp+0x349/0x25e0 [ 39.070762] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.071671] ? __pfx_do_seccomp+0x10/0x10 [ 39.072458] ? find_held_lock+0x2b/0x80 [ 39.073231] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.074192] ? static_key_count+0x60/0x80 [ 39.074952] prctl_set_seccomp+0x4e/0x70 [ 39.075725] __do_sys_prctl+0xe6c/0x1d70 [ 39.076512] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.077379] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.078364] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.079331] ? irqentry_exit+0xf3/0x650 [ 39.080059] do_syscall_64+0xbf/0x430 [ 39.080817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.081763] RIP: 0033:0x7f3fa43c75cd [ 39.082467] 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 [ 39.085642] RSP: 002b:00007ffcf81e59b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.087013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fa43c75cd [ 39.088303] RDX: 000055f7a2583e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.089609] RBP: 00007ffcf81e5a10 R08: 0000000000000000 R09: 00007ffcf81e50b0 [ 39.090894] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7b61f82b0 [ 39.092173] R13: 00007ffcf81e5e40 R14: 000055f7b61fad20 R15: 000055f7b620c8d0 [ 39.093500] [ 39.093935] irq event stamp: 1745 [ 39.094593] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.096136] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.097663] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 39.099212] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 39.100741] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.456229] ------------[ cut here ]------------ [ 42.457288] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.459414] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.460902] Modules linked in: [ 42.461533] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.464922] Tainted: [W]=WARN [ 42.465622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.467124] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.467999] 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 [ 42.471551] RSP: 0018:ffff8880176a7bc0 EFLAGS: 00010286 [ 42.472512] RAX: 0000000000000000 RBX: ffffed1002ed4f78 RCX: ffffffff813a4050 [ 42.473792] RDX: ffff88800df55340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.475083] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed4f2f [ 42.476635] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.478021] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176a7df8 [ 42.479302] FS: 00007fb081c1d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.480747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.481816] CR2: 00007ffc98451ef8 CR3: 000000001be39000 CR4: 0000000000350ef0 [ 42.483126] Call Trace: [ 42.483595] [ 42.484007] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.484930] ? __create_object+0x59/0x80 [ 42.485720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.486702] __vmalloc_noprof+0x59/0x60 [ 42.487453] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.488333] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.489276] bpf_prog_alloc+0x39/0x200 [ 42.489972] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.490902] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.491803] do_seccomp+0x349/0x25e0 [ 42.492520] ? find_held_lock+0x2b/0x80 [ 42.493311] ? do_prlimit+0x310/0x610 [ 42.494014] ? __pfx_do_seccomp+0x10/0x10 [ 42.494795] ? do_raw_spin_unlock+0x53/0x220 [ 42.495630] ? _raw_spin_unlock+0x1e/0x40 [ 42.496430] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.497411] ? static_key_count+0x60/0x80 [ 42.498214] prctl_set_seccomp+0x4e/0x70 [ 42.498948] __do_sys_prctl+0xe6c/0x1d70 [ 42.499725] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.500566] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.501547] ? irqentry_exit+0xf3/0x650 [ 42.502322] do_syscall_64+0xbf/0x430 [ 42.503034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.503988] RIP: 0033:0x7fb08210f5cd [ 42.504692] 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 [ 42.507893] RSP: 002b:00007ffc9844ff50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.509278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08210f5cd [ 42.510561] RDX: 000055c0a3d06e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.511859] RBP: 00007ffc9844ffb0 R08: 0000000000000000 R09: 00007ffc9844f650 [ 42.513177] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0c1fe3ad0 [ 42.514468] R13: 00007ffc984503e0 R14: 000055c0c1fe4bc0 R15: 000055c0c1ff5780 [ 42.515776] [ 42.516239] irq event stamp: 2115 [ 42.516852] hardirqs last enabled at (2123): [] __up_console_sem+0x78/0x80 [ 42.518378] hardirqs last disabled at (2132): [] __up_console_sem+0x5d/0x80 [ 42.519913] softirqs last enabled at (1930): [] handle_softirqs+0x50c/0x770 [ 42.521398] softirqs last disabled at (1923): [] __irq_exit_rcu+0xc4/0x100 [ 42.522659] ---[ end trace 0000000000000000 ]--- [ 43.419753] ------------[ cut here ]------------ [ 43.420537] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.422269] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.423506] Modules linked in: [ 43.424011] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.425680] Tainted: [W]=WARN [ 43.426195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.427445] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.428238] 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 [ 43.430896] RSP: 0018:ffff888017b6fbc0 EFLAGS: 00010286 [ 43.431727] RAX: 0000000000000000 RBX: ffffed1002f6df78 RCX: ffffffff813a4050 [ 43.432815] RDX: ffff88800ddf1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.433897] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f6df2f [ 43.434985] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.436067] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b6fdf8 [ 43.437166] FS: 00007f269b229900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.438371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.439269] CR2: 00007f269b78f4a6 CR3: 000000000d70c000 CR4: 0000000000350ef0 [ 43.440342] Call Trace: [ 43.440746] [ 43.441145] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.441865] ? __create_object+0x59/0x80 [ 43.442529] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.443351] __vmalloc_noprof+0x59/0x60 [ 43.443953] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.444695] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.445496] bpf_prog_alloc+0x39/0x200 [ 43.446085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.446874] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.447659] do_seccomp+0x349/0x25e0 [ 43.448268] ? find_held_lock+0x2b/0x80 [ 43.448885] ? do_prlimit+0x310/0x610 [ 43.449535] ? __pfx_do_seccomp+0x10/0x10 [ 43.450221] ? do_raw_spin_unlock+0x53/0x220 [ 43.450887] ? _raw_spin_unlock+0x1e/0x40 [ 43.451561] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.452438] ? static_key_count+0x60/0x80 [ 43.453143] prctl_set_seccomp+0x4e/0x70 [ 43.453761] __do_sys_prctl+0xe6c/0x1d70 [ 43.454436] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.455171] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.455947] ? irqentry_exit+0xf3/0x650 [ 43.456603] do_syscall_64+0xbf/0x430 [ 43.457256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.458021] RIP: 0033:0x7f269b71b5cd [ 43.458635] 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 [ 43.461301] RSP: 002b:00007fff5b6fe020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.462451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f269b71b5cd [ 43.463538] RDX: 0000560448defe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.464638] RBP: 00007fff5b6fe080 R08: 0000000000000000 R09: 00007fff5b6fd720 [ 43.465743] R10: 0000000000000000 R11: 0000000000000246 R12: 000056044997fb10 [ 43.466843] R13: 00007fff5b6fe4b0 R14: 00005604499802b0 R15: 00005604499946f0 [ 43.467939] [ 43.468341] irq event stamp: 1737 [ 43.468862] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 43.470156] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 43.471434] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 43.472749] softirqs last disabled at (1547): [] __irq_exit_rcu+0xc4/0x100 [ 43.474032] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59072' (ECDSA) to the list of known hosts. 2025/11/17 20:08:45 fuzzer started 2025/11/17 20:08:45 dialing manager at localhost:37895 2025/11/17 20:08:45 checking machine... 2025/11/17 20:08:45 checking revisions... [ 44.354452] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:08:45 testing simple program... [ 44.445715] cgroup: Unknown subsys name 'net' [ 44.506235] cgroup: Unknown subsys name 'cpuset' [ 44.519727] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:08:44 Registers: info registers vcpu 0 RAX=00000000ffffffff RBX=ffff88800b0a0000 RCX=ffffffff8360ec32 RDX=ffffc90000660000 RSI=ffffffff8360ec3f RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88806ce08ea8 R8 =0000000000000000 R9 =ffffed10016142b7 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88800b0a15b8 R14=ffff88800b0a11d0 R15=000000000000000a RIP=ffffffff8360ec6c RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff4d20fd090 CR3=000000001e4ff000 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=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86aaecd0 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff8880170676c0 RSP=ffff8880170675f8 R8 =ffffffff86aaecd4 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cd8 R12=ffff8880170676c8 R13=ffff8880170676b0 R14=0000000000000008 R15=ffff888017067668 RIP=ffffffff8135f80a 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 00007fb081c1d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc9844a000 CR3=000000001e573000 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