[ 39.551179] ------------[ cut here ]------------ [ 39.552119] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.554132] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.555618] Modules linked in: [ 39.556494] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.558558] Tainted: [W]=WARN [ 39.559179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.560686] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.561615] 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 [ 39.564814] RSP: 0018:ffff8880156e7bc0 EFLAGS: 00010286 [ 39.565818] RAX: 0000000000000000 RBX: ffffed1002adcf78 RCX: ffffffff813a4050 [ 39.567100] RDX: ffff8880155a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.568386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002adcf2f [ 39.569666] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.570929] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880156e7df8 [ 39.572227] FS: 00007f50b0755900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.573687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.574809] CR2: 00007f50b0c47580 CR3: 0000000009e5b000 CR4: 0000000000350ef0 [ 39.576223] Call Trace: [ 39.576688] [ 39.577140] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.578158] ? __create_object+0x59/0x80 [ 39.579035] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.580226] __vmalloc_noprof+0x59/0x60 [ 39.581069] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.582085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.583090] bpf_prog_alloc+0x39/0x200 [ 39.583945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.585014] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.586051] do_seccomp+0x349/0x25e0 [ 39.586860] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.587891] ? __pfx_do_seccomp+0x10/0x10 [ 39.588662] ? find_held_lock+0x2b/0x80 [ 39.589570] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.590632] ? static_key_count+0x60/0x80 [ 39.591577] prctl_set_seccomp+0x4e/0x70 [ 39.592463] __do_sys_prctl+0xe6c/0x1d70 [ 39.593340] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.594340] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.595508] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.596628] ? irqentry_exit+0xf3/0x650 [ 39.597418] do_syscall_64+0xbf/0x430 [ 39.598169] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.599201] RIP: 0033:0x7f50b0c475cd [ 39.600026] 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 [ 39.603546] RSP: 002b:00007ffe46053bf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.605088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50b0c475cd [ 39.606401] RDX: 000055a8a0656e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.607902] RBP: 00007ffe46053c50 R08: 0000000000000000 R09: 00007ffe460532f0 [ 39.609238] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8a26aead0 [ 39.610528] R13: 00007ffe46054080 R14: 000055a8a26afbc0 R15: 000055a8a26c0780 [ 39.611854] [ 39.612261] irq event stamp: 1851 [ 39.612808] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 39.614112] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 39.615574] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 39.616882] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 39.618249] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.763329] ------------[ cut here ]------------ [ 42.764300] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.766325] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.767809] Modules linked in: [ 42.768402] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.770406] Tainted: [W]=WARN [ 42.771019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.772509] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.773430] 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 [ 42.776622] RSP: 0018:ffff888018bcfbc0 EFLAGS: 00010286 [ 42.777606] RAX: 0000000000000000 RBX: ffffed1003179f78 RCX: ffffffff813a4050 [ 42.778892] RDX: ffff888015800000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.780195] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003179f2f [ 42.781501] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.782793] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bcfdf8 [ 42.784104] FS: 00007f07fa51b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.785549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.786617] CR2: 00007ffdafd65ef8 CR3: 0000000020067000 CR4: 0000000000350ef0 [ 42.787937] Call Trace: [ 42.788394] [ 42.788846] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.789690] ? __create_object+0x59/0x80 [ 42.790479] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.791459] __vmalloc_noprof+0x59/0x60 [ 42.792237] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.793131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.794070] bpf_prog_alloc+0x39/0x200 [ 42.794819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.795766] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.796638] do_seccomp+0x349/0x25e0 [ 42.797366] ? find_held_lock+0x2b/0x80 [ 42.798136] ? do_prlimit+0x310/0x610 [ 42.798882] ? __pfx_do_seccomp+0x10/0x10 [ 42.799646] ? do_raw_spin_unlock+0x53/0x220 [ 42.800490] ? _raw_spin_unlock+0x1e/0x40 [ 42.801277] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.802245] ? static_key_count+0x60/0x80 [ 42.803051] prctl_set_seccomp+0x4e/0x70 [ 42.803858] __do_sys_prctl+0xe6c/0x1d70 [ 42.804612] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.805477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.806441] ? irqentry_exit+0xf3/0x650 [ 42.807216] do_syscall_64+0xbf/0x430 [ 42.807980] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.808947] RIP: 0033:0x7f07faa0d5cd [ 42.809611] 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 [ 42.812818] RSP: 002b:00007ffdafd642e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.814195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07faa0d5cd [ 42.815503] RDX: 000055b954825e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.816796] RBP: 00007ffdafd64340 R08: 0000000000000000 R09: 00007ffdafd639e0 [ 42.818083] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b95ee16b10 [ 42.819384] R13: 00007ffdafd64770 R14: 000055b95ee172b0 R15: 000055b95ee2b6f0 [ 42.820714] [ 42.821174] irq event stamp: 1745 [ 42.821833] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.823364] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.824911] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 42.826466] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 42.828000] ---[ end trace 0000000000000000 ]--- [ 43.700642] ------------[ cut here ]------------ [ 43.701561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.703614] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/253 [ 43.706282] Modules linked in: [ 43.706942] CPU: 1 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.708959] Tainted: [W]=WARN [ 43.709533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.710990] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.711914] 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 [ 43.715097] RSP: 0018:ffff88801718fbc0 EFLAGS: 00010286 [ 43.716106] RAX: 0000000000000000 RBX: ffffed1002e31f78 RCX: ffffffff813a4050 [ 43.717407] RDX: ffff88801b020000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.718711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e31f2f [ 43.720039] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.721318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801718fdf8 [ 43.722618] FS: 00007f2e75e86900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.724078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.725141] CR2: 00007f2e76378580 CR3: 0000000016d5e000 CR4: 0000000000350ef0 [ 43.726450] Call Trace: [ 43.726962] [ 43.727382] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.728316] ? __create_object+0x59/0x80 [ 43.729111] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.730085] __vmalloc_noprof+0x59/0x60 [ 43.730854] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.731699] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.732636] bpf_prog_alloc+0x39/0x200 [ 43.733379] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.734312] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.735221] do_seccomp+0x349/0x25e0 [ 43.735966] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.736876] ? __pfx_do_seccomp+0x10/0x10 [ 43.737618] ? find_held_lock+0x2b/0x80 [ 43.738373] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.739345] ? static_key_count+0x60/0x80 [ 43.740168] prctl_set_seccomp+0x4e/0x70 [ 43.740943] __do_sys_prctl+0xe6c/0x1d70 [ 43.741691] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.742564] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.743546] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.744511] ? irqentry_exit+0xf3/0x650 [ 43.745274] do_syscall_64+0xbf/0x430 [ 43.746016] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.746997] RIP: 0033:0x7f2e763785cd [ 43.747691] 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 [ 43.750910] RSP: 002b:00007ffc69a7eb80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.752278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e763785cd [ 43.753580] RDX: 000055c3ffb3de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.754868] RBP: 00007ffc69a7ebe0 R08: 0000000000000000 R09: 00007ffc69a7e280 [ 43.756162] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c436c3f2b0 [ 43.757465] R13: 00007ffc69a7f010 R14: 000055c436c41d20 R15: 000055c436c538d0 [ 43.758784] [ 43.759211] irq event stamp: 2015 [ 43.759876] hardirqs last enabled at (2025): [] __up_console_sem+0x78/0x80 [ 43.761396] hardirqs last disabled at (2034): [] __up_console_sem+0x5d/0x80 [ 43.762927] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 43.764492] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 43.766006] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13209' (ECDSA) to the list of known hosts. 2025/11/17 17:03:12 fuzzer started 2025/11/17 17:03:12 dialing manager at localhost:37895 2025/11/17 17:03:12 checking machine... 2025/11/17 17:03:12 checking revisions... [ 44.646240] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:03:12 testing simple program... [ 44.738820] cgroup: Unknown subsys name 'net' [ 44.811328] cgroup: Unknown subsys name 'cpuset' [ 44.823719] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:03:11 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86ab82be RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88800d39f400 RSP=ffff88800d39f338 R8 =ffffffff86ab82c2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffff88800d39f408 R13=ffff88800d39f3f0 R14=ffff88800d39f6f8 R15=ffff88800d39f3a8 RIP=ffffffff8135e986 RFL=00000297 [--S-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2f9ca55260 CR3=000000001b337000 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=756e696c2d34365f3638782f62696c2f XMM01=2e766c6f73657262696c2f756e672d78 XMM02=00322e6f732e766c6f73657262696c2f XMM03=756e672d78756e696c2d34365f363878 XMM04=00000000000000000000000000000000 XMM05=00007f2f9cf98f6000007f2f9cd7bf30 XMM06=00007f2f9cd7ba2000007f2f9cd7b510 XMM07=00007f2f9cd7b00000007f2f9cf99a20 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000046 RBX=ffff888016cff978 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff816397a8 RDI=ffffffff816397ad RBP=ffff888016cff948 RSP=ffff888016cff8f8 R8 =0000000000000000 R9 =fffffbfff0b82258 R10=0000000000000200 R11=0000000000000000 R12=0000000000000200 R13=1ffff11002d9ff30 R14=ffffed1002d9ff2f R15=ffff888016cff980 RIP=ffffffff84c71d78 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f07fa51b900 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=00007ffdafd5e000 CR3=00000000200b5000 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=0000000000000000000000000000ffff XMM03=796e6120776f6c6c6120746f6e206f74 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff0000ffffffff00ffffffffffffffff XMM08=6120776f6c6c6120746f6e206f740000 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000