[ 46.373322] ------------[ cut here ]------------ [ 46.374272] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.376317] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 46.377779] Modules linked in: [ 46.378372] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.380358] Tainted: [W]=WARN [ 46.380939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.382642] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.383687] 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 [ 46.386882] RSP: 0018:ffff888017917bc0 EFLAGS: 00010286 [ 46.387853] RAX: 0000000000000000 RBX: ffffed1002f22f78 RCX: ffffffff813a4050 [ 46.389137] RDX: ffff88800eeb3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.390416] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f22f2f [ 46.391681] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.392954] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017917df8 [ 46.394246] FS: 00007fc4e246c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.395676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.396742] CR2: 00007fff39bfeef7 CR3: 000000001008f000 CR4: 0000000000350ef0 [ 46.398036] Call Trace: [ 46.398503] [ 46.398953] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.399843] ? __create_object+0x59/0x80 [ 46.400578] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.401529] __vmalloc_noprof+0x59/0x60 [ 46.402293] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.403163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.404104] bpf_prog_alloc+0x39/0x200 [ 46.404852] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.405799] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.406645] do_seccomp+0x349/0x25e0 [ 46.407356] ? find_held_lock+0x2b/0x80 [ 46.408119] ? do_prlimit+0x310/0x610 [ 46.408865] ? __pfx_do_seccomp+0x10/0x10 [ 46.409620] ? do_raw_spin_unlock+0x53/0x220 [ 46.410445] ? _raw_spin_unlock+0x1e/0x40 [ 46.411210] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.412170] ? static_key_count+0x60/0x80 [ 46.412975] prctl_set_seccomp+0x4e/0x70 [ 46.413758] __do_sys_prctl+0xe6c/0x1d70 [ 46.414507] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.415365] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.416333] ? irqentry_exit+0xf3/0x650 [ 46.417103] do_syscall_64+0xbf/0x430 [ 46.417856] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.418807] RIP: 0033:0x7fc4e295e5cd [ 46.419461] 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 [ 46.422621] RSP: 002b:00007fff39bfc6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.423991] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4e295e5cd [ 46.425258] RDX: 000055afa81b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.426269] RBP: 00007fff39bfc730 R08: 0000000000000000 R09: 00007fff39bfbdd0 [ 46.427099] R10: 0000000000000000 R11: 0000000000000246 R12: 000055afe5b8cad0 [ 46.427935] R13: 00007fff39bfcb60 R14: 000055afe5b8dbc0 R15: 000055afe5b9e780 [ 46.428794] [ 46.429078] irq event stamp: 1775 [ 46.429472] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 46.430442] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 46.431419] softirqs last enabled at (1496): [] handle_softirqs+0x50c/0x770 [ 46.432364] softirqs last disabled at (1491): [] __irq_exit_rcu+0xc4/0x100 [ 46.433299] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.601210] ------------[ cut here ]------------ [ 49.601969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.603837] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 49.604873] Modules linked in: [ 49.605308] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.606908] Tainted: [W]=WARN [ 49.607331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.608601] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.609251] 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 [ 49.611757] RSP: 0018:ffff88801663fbc0 EFLAGS: 00010286 [ 49.612429] RAX: 0000000000000000 RBX: ffffed1002cc7f78 RCX: ffffffff813a4050 [ 49.613341] RDX: ffff888016488000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.614369] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc7f2f [ 49.615414] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.616477] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801663fdf8 [ 49.617523] FS: 00007fdbd595a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.618641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.619524] CR2: 00007ffda871eef7 CR3: 000000000d2de000 CR4: 0000000000350ef0 [ 49.620430] Call Trace: [ 49.620781] [ 49.621074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.621687] ? __create_object+0x59/0x80 [ 49.622228] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.622911] __vmalloc_noprof+0x59/0x60 [ 49.623416] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.624029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.624661] bpf_prog_alloc+0x39/0x200 [ 49.625187] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.625882] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.626493] do_seccomp+0x349/0x25e0 [ 49.626997] ? find_held_lock+0x2b/0x80 [ 49.627511] ? do_prlimit+0x310/0x610 [ 49.628088] ? __pfx_do_seccomp+0x10/0x10 [ 49.628674] ? do_raw_spin_unlock+0x53/0x220 [ 49.629349] ? _raw_spin_unlock+0x1e/0x40 [ 49.630053] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.630707] ? static_key_count+0x60/0x80 [ 49.631307] prctl_set_seccomp+0x4e/0x70 [ 49.632082] __do_sys_prctl+0xe6c/0x1d70 [ 49.632756] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.633537] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.634335] ? irqentry_exit+0xf3/0x650 [ 49.634917] do_syscall_64+0xbf/0x430 [ 49.635476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.636242] RIP: 0033:0x7fdbd5e4c5cd [ 49.636837] 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 [ 49.639376] RSP: 002b:00007ffda871c750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.640437] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbd5e4c5cd [ 49.641473] RDX: 0000556d8160ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.642467] RBP: 00007ffda871c7b0 R08: 0000000000000000 R09: 00007ffda871be50 [ 49.643389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556da3354ad0 [ 49.644377] R13: 00007ffda871cbe0 R14: 0000556da3355bc0 R15: 0000556da3366780 [ 49.645441] [ 49.645779] irq event stamp: 1769 [ 49.646242] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 49.647485] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 49.648708] softirqs last enabled at (1554): [] handle_softirqs+0x50c/0x770 [ 49.649969] softirqs last disabled at (1547): [] __irq_exit_rcu+0xc4/0x100 [ 49.651163] ---[ end trace 0000000000000000 ]--- [ 50.415781] ------------[ cut here ]------------ [ 50.416799] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.419038] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/258 [ 50.420635] Modules linked in: [ 50.421333] CPU: 0 UID: 104 PID: 258 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.423817] Tainted: [W]=WARN [ 50.424426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.426117] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.427123] 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 [ 50.430625] RSP: 0018:ffff88801754fbc0 EFLAGS: 00010286 [ 50.431705] RAX: 0000000000000000 RBX: ffffed1002ea9f78 RCX: ffffffff813a4050 [ 50.433127] RDX: ffff888017b01bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.434536] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea9f2f [ 50.435934] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.437327] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801754fdf8 [ 50.438754] FS: 00007f8b17f7f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.440326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.441486] CR2: 00007fffd1a5bef7 CR3: 000000000d01f000 CR4: 0000000000350ef0 [ 50.442899] Call Trace: [ 50.443411] [ 50.443909] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.444886] ? __create_object+0x59/0x80 [ 50.445703] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.446805] __vmalloc_noprof+0x59/0x60 [ 50.447580] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.448534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.449552] bpf_prog_alloc+0x39/0x200 [ 50.450371] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.451386] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.452362] do_seccomp+0x349/0x25e0 [ 50.453130] ? find_held_lock+0x2b/0x80 [ 50.453971] ? do_prlimit+0x310/0x610 [ 50.454777] ? __pfx_do_seccomp+0x10/0x10 [ 50.455574] ? do_raw_spin_unlock+0x53/0x220 [ 50.456469] ? _raw_spin_unlock+0x1e/0x40 [ 50.457303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.458355] ? static_key_count+0x60/0x80 [ 50.459227] prctl_set_seccomp+0x4e/0x70 [ 50.460050] __do_sys_prctl+0xe6c/0x1d70 [ 50.460899] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.461845] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.462898] ? irqentry_exit+0xf3/0x650 [ 50.463680] do_syscall_64+0xbf/0x430 [ 50.464482] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.465504] RIP: 0033:0x7f8b184715cd [ 50.466279] 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 [ 50.469740] RSP: 002b:00007fffd1a5ade0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.471204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8b184715cd [ 50.472569] RDX: 00005610581d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.473964] RBP: 00007fffd1a5ae40 R08: 0000000000000000 R09: 00007fffd1a5a4e0 [ 50.475345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561076957ad0 [ 50.476712] R13: 00007fffd1a5b270 R14: 0000561076958bc0 R15: 0000561076969780 [ 50.478121] [ 50.478568] irq event stamp: 1817 [ 50.479268] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 50.480914] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 50.482517] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 50.483879] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 50.485222] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35302' (ECDSA) to the list of known hosts. 2025/11/18 00:41:39 fuzzer started 2025/11/18 00:41:39 dialing manager at localhost:37895 2025/11/18 00:41:39 checking machine... 2025/11/18 00:41:39 checking revisions... [ 51.424936] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:41:39 testing simple program... [ 51.509423] cgroup: Unknown subsys name 'net' [ 51.595052] cgroup: Unknown subsys name 'cpuset' [ 51.613375] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:41:38 Registers: info registers vcpu 0 RAX=ffffffff86a0b81d RBX=0000000000000002 RCX=ffffffff86a0b818 RDX=0000000000000000 RSI=1ffffffff0d41703 RDI=ffffffff866b2944 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86a0b818 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008964 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e815 RFL=00000217 [----APC] 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 00007fdbd595a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdbd5f11618 CR3=000000001f689000 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=000000000002a659 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=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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff8966f4020 CR3=000000000ddf4000 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=f8ff1bdd6c886991ac4a0a5d6ee1a6e5 XMM02=ec2efd57dc4c00df00000000003048e8 XMM03=b26efb3cb6010a0800000000003049b8 XMM04=68356cb78c4286b500000000000ae988 XMM05=754047c75be62074000000000031fec8 XMM06=50bc7b2586e41a3d000000000031fd50 XMM07=e042d86d42eb936e000000000030e8b0 XMM08=b26efb3cb6010a0800000000003049b8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000