[ 47.026729] ------------[ cut here ]------------ [ 47.027320] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.029215] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 47.030651] Modules linked in: [ 47.031249] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.033206] Tainted: [W]=WARN [ 47.033795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.035256] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.036171] 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 [ 47.039288] RSP: 0018:ffff88801604fbc0 EFLAGS: 00010286 [ 47.040251] RAX: 0000000000000000 RBX: ffffed1002c09f78 RCX: ffffffff813a4050 [ 47.041511] RDX: ffff888017120000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.042786] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c09f2f [ 47.044114] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.045405] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801604fdf8 [ 47.046669] FS: 00007f44c1b0f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.048106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.049155] CR2: 00007ffd3df0cef7 CR3: 000000000e2c0000 CR4: 0000000000350ef0 [ 47.050421] Call Trace: [ 47.050894] [ 47.051295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.052184] ? __create_object+0x59/0x80 [ 47.052945] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.053910] __vmalloc_noprof+0x59/0x60 [ 47.054655] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.055526] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.056446] bpf_prog_alloc+0x39/0x200 [ 47.057129] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.058042] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.058938] do_seccomp+0x349/0x25e0 [ 47.059644] ? find_held_lock+0x2b/0x80 [ 47.060355] ? do_prlimit+0x310/0x610 [ 47.061098] ? __pfx_do_seccomp+0x10/0x10 [ 47.061886] ? do_raw_spin_unlock+0x53/0x220 [ 47.062737] ? _raw_spin_unlock+0x1e/0x40 [ 47.063521] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.064487] ? static_key_count+0x60/0x80 [ 47.065239] prctl_set_seccomp+0x4e/0x70 [ 47.066017] __do_sys_prctl+0xe6c/0x1d70 [ 47.066813] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.067674] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.068647] ? irqentry_exit+0xf3/0x650 [ 47.069357] do_syscall_64+0xbf/0x430 [ 47.070096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.071130] RIP: 0033:0x7f44c20015cd [ 47.071837] 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 [ 47.074985] RSP: 002b:00007ffd3df0a350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.076347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44c20015cd [ 47.077619] RDX: 0000563b28a8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.078908] RBP: 00007ffd3df0a3b0 R08: 0000000000000000 R09: 00007ffd3df09a50 [ 47.080041] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b47080ad0 [ 47.080860] R13: 00007ffd3df0a7e0 R14: 0000563b47081bc0 R15: 0000563b47092780 [ 47.081687] [ 47.081957] irq event stamp: 1715 [ 47.082343] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 47.083338] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 47.084209] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 47.085006] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 47.085795] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.622287] ------------[ cut here ]------------ [ 50.623328] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.625669] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 50.627363] Modules linked in: [ 50.628150] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.630426] Tainted: [W]=WARN [ 50.631084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.632768] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.633816] 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 [ 50.637486] RSP: 0018:ffff888015e17bc0 EFLAGS: 00010286 [ 50.638616] RAX: 0000000000000000 RBX: ffffed1002bc2f78 RCX: ffffffff813a4050 [ 50.640106] RDX: ffff88801557b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.641584] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc2f2f [ 50.642987] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.644253] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e17df8 [ 50.645518] FS: 00007fd5b7727900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.646956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.648014] CR2: 00007fff84a79ef7 CR3: 000000000e22a000 CR4: 0000000000350ef0 [ 50.649277] Call Trace: [ 50.649786] [ 50.650189] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.651089] ? __create_object+0x59/0x80 [ 50.651891] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.652858] __vmalloc_noprof+0x59/0x60 [ 50.653613] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.654473] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.655362] bpf_prog_alloc+0x39/0x200 [ 50.656112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.657026] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.657922] do_seccomp+0x349/0x25e0 [ 50.658641] ? find_held_lock+0x2b/0x80 [ 50.659369] ? do_prlimit+0x310/0x610 [ 50.660125] ? __pfx_do_seccomp+0x10/0x10 [ 50.660913] ? do_raw_spin_unlock+0x53/0x220 [ 50.661721] ? _raw_spin_unlock+0x1e/0x40 [ 50.662503] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.663483] ? static_key_count+0x60/0x80 [ 50.664235] prctl_set_seccomp+0x4e/0x70 [ 50.665010] __do_sys_prctl+0xe6c/0x1d70 [ 50.665782] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.666634] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.667625] ? irqentry_exit+0xf3/0x650 [ 50.668342] do_syscall_64+0xbf/0x430 [ 50.669080] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.670025] RIP: 0033:0x7fd5b7c195cd [ 50.670744] 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 [ 50.673886] RSP: 002b:00007fff84a776d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.675252] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5b7c195cd [ 50.676525] RDX: 00005573a55d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.677797] RBP: 00007fff84a77730 R08: 0000000000000000 R09: 00007fff84a76dd0 [ 50.679088] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573ba18ead0 [ 50.680357] R13: 00007fff84a77b60 R14: 00005573ba18fbc0 R15: 00005573ba1a0780 [ 50.681672] [ 50.682084] irq event stamp: 1727 [ 50.682749] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 50.684260] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 50.685775] softirqs last enabled at (1228): [] handle_softirqs+0x50c/0x770 [ 50.687314] softirqs last disabled at (1213): [] __irq_exit_rcu+0xc4/0x100 [ 50.688576] ---[ end trace 0000000000000000 ]--- [ 51.499153] ------------[ cut here ]------------ [ 51.500157] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.502344] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 51.503949] Modules linked in: [ 51.504626] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.506801] Tainted: [W]=WARN [ 51.507449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.509050] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.510033] 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 [ 51.513739] RSP: 0018:ffff888016f5fbc0 EFLAGS: 00010286 [ 51.514884] RAX: 0000000000000000 RBX: ffffed1002debf78 RCX: ffffffff813a4050 [ 51.516300] RDX: ffff888015c70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.517657] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002debf2f [ 51.518970] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.520252] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f5fdf8 [ 51.521536] FS: 00007f594e02e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.522981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.524037] CR2: 00007ffcd5d4aef7 CR3: 000000000e0f0000 CR4: 0000000000350ef0 [ 51.525324] Call Trace: [ 51.525838] [ 51.526253] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.527154] ? __create_object+0x59/0x80 [ 51.527923] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.528903] __vmalloc_noprof+0x59/0x60 [ 51.529677] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.530558] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.531512] bpf_prog_alloc+0x39/0x200 [ 51.532208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.533137] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.534037] do_seccomp+0x349/0x25e0 [ 51.534788] ? find_held_lock+0x2b/0x80 [ 51.535551] ? do_prlimit+0x310/0x610 [ 51.536250] ? __pfx_do_seccomp+0x10/0x10 [ 51.537024] ? do_raw_spin_unlock+0x53/0x220 [ 51.537854] ? _raw_spin_unlock+0x1e/0x40 [ 51.538627] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.539615] ? static_key_count+0x60/0x80 [ 51.540424] prctl_set_seccomp+0x4e/0x70 [ 51.541195] __do_sys_prctl+0xe6c/0x1d70 [ 51.541989] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.542868] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.543845] ? irqentry_exit+0xf3/0x650 [ 51.544613] do_syscall_64+0xbf/0x430 [ 51.545314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.546275] RIP: 0033:0x7f594e5205cd [ 51.546979] 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 [ 51.550163] RSP: 002b:00007ffcd5d49ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.551563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f594e5205cd [ 51.552846] RDX: 000055de6682de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.554134] RBP: 00007ffcd5d49b40 R08: 0000000000000000 R09: 00007ffcd5d491e0 [ 51.555431] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de74543ad0 [ 51.556738] R13: 00007ffcd5d49f70 R14: 000055de74544bc0 R15: 000055de74555780 [ 51.558046] [ 51.558498] irq event stamp: 1813 [ 51.559117] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 51.560645] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 51.562163] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 51.563724] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 51.565254] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56985' (ECDSA) to the list of known hosts. 2025/11/17 17:28:17 fuzzer started 2025/11/17 17:28:17 dialing manager at localhost:37895 2025/11/17 17:28:17 checking machine... 2025/11/17 17:28:17 checking revisions... [ 52.494289] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:28:17 testing simple program... [ 52.577725] cgroup: Unknown subsys name 'net' [ 52.626326] cgroup: Unknown subsys name 'cpuset' [ 52.645661] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:28:16 Registers: info registers vcpu 0 RAX=0000000000002000 RBX=ffff888018701bc0 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888018702618 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888018702640 R13=0000000000000000 R14=0000000000000000 R15=0000000000020000 RIP=ffffffff8152709f RFL=00000006 [-----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 00007fd5b7727900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff84a71000 CR3=000000001ff26000 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=6c697473206e61632073726573552023 XMM01=20656c706f657020726568746f20776f XMM02=ffffffffffffff00ffff000000000000 XMM03=796e6120776f6c6c6120746f6e206f74 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff0000ffffffff00ffffffffffffffff XMM08=00000000000000810000363532616873 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000205ab RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe71bc9a98 CR3=000000000df16000 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=443b55175db31b8a0a4ae9c1d1a9c183 XMM02=ec2efd57dc4c00df0000000000306600 XMM03=e1ccebaa8073d57800000000003066d0 XMM04=564a8edd516119c100000000000ae988 XMM05=823ac9b83b261ac300000000003225c0 XMM06=8fede82a5ad58cbe0000000000321fc0 XMM07=e042d86d42eb936e00000000003131f0 XMM08=e1ccebaa8073d57800000000003066d0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000