[ 39.009054] ------------[ cut here ]------------ [ 39.009793] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.011400] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.012558] Modules linked in: [ 39.013038] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.014590] Tainted: [W]=WARN [ 39.015030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.016185] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.016918] 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 [ 39.019374] RSP: 0018:ffff888017b47bc0 EFLAGS: 00010286 [ 39.020097] RAX: 0000000000000000 RBX: ffffed1002f68f78 RCX: ffffffff813a4050 [ 39.021100] RDX: ffff8880175d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.022106] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f68f2f [ 39.023103] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024107] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b47df8 [ 39.025120] FS: 00007f7952356900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.026243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.027028] CR2: 00007f7952848580 CR3: 000000000df84000 CR4: 0000000000350ef0 [ 39.028030] Call Trace: [ 39.028417] [ 39.028748] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.029449] ? __create_object+0x59/0x80 [ 39.030026] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030790] __vmalloc_noprof+0x59/0x60 [ 39.031384] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.032026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032763] bpf_prog_alloc+0x39/0x200 [ 39.033340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034036] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.034738] do_seccomp+0x349/0x25e0 [ 39.035298] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.035963] ? __pfx_do_seccomp+0x10/0x10 [ 39.036587] ? find_held_lock+0x2b/0x80 [ 39.037152] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.037906] ? static_key_count+0x60/0x80 [ 39.038526] prctl_set_seccomp+0x4e/0x70 [ 39.039089] __do_sys_prctl+0xe6c/0x1d70 [ 39.039695] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.040369] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.041085] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.041830] ? irqentry_exit+0xf3/0x650 [ 39.042428] do_syscall_64+0xbf/0x430 [ 39.042964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.043697] RIP: 0033:0x7f79528485cd [ 39.044237] 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 [ 39.046688] RSP: 002b:00007fff7685c380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.047737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79528485cd [ 39.048736] RDX: 0000559a63edee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.049731] RBP: 00007fff7685c3e0 R08: 0000000000000000 R09: 00007fff7685ba80 [ 39.050711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a798962b0 [ 39.051709] R13: 00007fff7685c810 R14: 0000559a79898d20 R15: 0000559a798aa8d0 [ 39.052727] [ 39.053055] irq event stamp: 1689 [ 39.053564] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 39.054749] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 39.055921] softirqs last enabled at (1206): [] handle_softirqs+0x50c/0x770 [ 39.057121] softirqs last disabled at (1201): [] __irq_exit_rcu+0xc4/0x100 [ 39.058297] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.649882] ------------[ cut here ]------------ [ 41.650812] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.652874] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 41.654563] Modules linked in: [ 41.655149] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.657306] Tainted: [W]=WARN [ 41.657886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.659369] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.660287] 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 [ 41.663493] RSP: 0018:ffff888017f3fbc0 EFLAGS: 00010286 [ 41.664498] RAX: 0000000000000000 RBX: ffffed1002fe7f78 RCX: ffffffff813a4050 [ 41.665809] RDX: ffff88800f549bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.667098] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe7f2f [ 41.668400] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.669710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f3fdf8 [ 41.670991] FS: 00007fa35023b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.672444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.673522] CR2: 00007fff9ac89ef7 CR3: 000000000e6fc000 CR4: 0000000000350ef0 [ 41.674819] Call Trace: [ 41.675325] [ 41.675740] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.676655] ? __create_object+0x59/0x80 [ 41.677444] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.678418] __vmalloc_noprof+0x59/0x60 [ 41.679144] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.680013] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.680965] bpf_prog_alloc+0x39/0x200 [ 41.681693] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.682632] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.683534] do_seccomp+0x349/0x25e0 [ 41.684252] ? find_held_lock+0x2b/0x80 [ 41.684972] ? do_prlimit+0x310/0x610 [ 41.685731] ? __pfx_do_seccomp+0x10/0x10 [ 41.686503] ? do_raw_spin_unlock+0x53/0x220 [ 41.687348] ? _raw_spin_unlock+0x1e/0x40 [ 41.688095] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.689075] ? static_key_count+0x60/0x80 [ 41.689858] prctl_set_seccomp+0x4e/0x70 [ 41.690623] __do_sys_prctl+0xe6c/0x1d70 [ 41.691419] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.692290] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.693295] ? irqentry_exit+0xf3/0x650 [ 41.694013] do_syscall_64+0xbf/0x430 [ 41.694760] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.695710] RIP: 0033:0x7fa35072d5cd [ 41.696417] 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 [ 41.699578] RSP: 002b:00007fff9ac88410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.700978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa35072d5cd [ 41.702276] RDX: 0000557845007e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.703555] RBP: 00007fff9ac88470 R08: 0000000000000000 R09: 00007fff9ac87b10 [ 41.704852] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578783402b0 [ 41.706140] R13: 00007fff9ac888a0 R14: 0000557878342d20 R15: 00005578783548d0 [ 41.707467] [ 41.707904] irq event stamp: 1787 [ 41.708556] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 41.710119] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 41.711674] softirqs last enabled at (1324): [] handle_softirqs+0x50c/0x770 [ 41.713234] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 41.714783] ---[ end trace 0000000000000000 ]--- [ 42.451967] ------------[ cut here ]------------ [ 42.452971] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.454998] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 42.456446] Modules linked in: [ 42.457048] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.459017] Tainted: [W]=WARN [ 42.459607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.461059] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.461970] 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 [ 42.465110] RSP: 0018:ffff88800f2c7bc0 EFLAGS: 00010286 [ 42.466077] RAX: 0000000000000000 RBX: ffffed1001e58f78 RCX: ffffffff813a4050 [ 42.467342] RDX: ffff88800f54d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.468626] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e58f2f [ 42.469934] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.471225] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2c7df8 [ 42.472513] FS: 00007f8e6383c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.473959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.475014] CR2: 00007f8e63da24a6 CR3: 000000000df2c000 CR4: 0000000000350ef0 [ 42.476306] Call Trace: [ 42.476772] [ 42.477181] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.478057] ? __create_object+0x59/0x80 [ 42.478819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.479782] __vmalloc_noprof+0x59/0x60 [ 42.480525] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.481411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.482358] bpf_prog_alloc+0x39/0x200 [ 42.483037] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483965] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.484869] do_seccomp+0x349/0x25e0 [ 42.485580] ? find_held_lock+0x2b/0x80 [ 42.486331] ? do_prlimit+0x310/0x610 [ 42.487023] ? __pfx_do_seccomp+0x10/0x10 [ 42.487801] ? do_raw_spin_unlock+0x53/0x220 [ 42.488635] ? _raw_spin_unlock+0x1e/0x40 [ 42.489416] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.490379] ? static_key_count+0x60/0x80 [ 42.491129] prctl_set_seccomp+0x4e/0x70 [ 42.491910] __do_sys_prctl+0xe6c/0x1d70 [ 42.492695] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.493547] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.494518] ? irqentry_exit+0xf3/0x650 [ 42.495287] do_syscall_64+0xbf/0x430 [ 42.495987] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.496965] RIP: 0033:0x7f8e63d2e5cd [ 42.497672] 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 [ 42.500867] RSP: 002b:00007ffd2d62a060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.502238] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e63d2e5cd [ 42.503524] RDX: 000056143d630e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.504837] RBP: 00007ffd2d62a0c0 R08: 0000000000000000 R09: 00007ffd2d629760 [ 42.506124] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614572b3240 [ 42.507426] R13: 00007ffd2d62a4f0 R14: 00005614572bc380 R15: 00005614572c7540 [ 42.508744] [ 42.509171] irq event stamp: 1721 [ 42.509825] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 42.511358] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 42.512897] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 42.514443] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.515961] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31261' (ECDSA) to the list of known hosts. 2025/11/17 15:19:19 fuzzer started 2025/11/17 15:19:20 dialing manager at localhost:37895 2025/11/17 15:19:20 checking machine... 2025/11/17 15:19:20 checking revisions... [ 43.426050] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:19:20 testing simple program... [ 43.518623] cgroup: Unknown subsys name 'net' [ 43.611907] cgroup: Unknown subsys name 'cpuset' [ 43.634126] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:19:19 Registers: info registers vcpu 0 RAX=ffffffff83c6db31 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016b1fe01 RSI=ffff888016b1fef0 RDI=ffff888016b1fef0 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86d76e92 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000009a7cd R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff888016b1fef8 R15=ffff88806ce08a70 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 00007fa35023b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa3507f2618 CR3=000000000c038000 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=0000000000022623 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff7ac546a8 CR3=000000000e3b4000 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=12b393baf28b15ba1c4694b0eeb44b95 XMM02=00000000003041e8eff9b2d0a8fce9cb XMM03=00000000003042b82c67c8bc2e329bc3 XMM04=89966bf7e5ad74a300000000000ae988 XMM05=ccfe68c6c7f2d2b10000000000321000 XMM06=8fede82a5ad58cbe0000000000320428 XMM07=e042d86d42eb936e000000000030fd38 XMM08=74e099d6e809f86c00000000003042b8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000