[ 39.026796] ------------[ cut here ]------------ [ 39.027292] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.028383] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.029169] Modules linked in: [ 39.029489] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.030574] Tainted: [W]=WARN [ 39.030893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.031670] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.032165] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.033907] RSP: 0018:ffff88800cef7bc0 EFLAGS: 00010286 [ 39.034420] RAX: 0000000000000000 RBX: ffffed10019def78 RCX: ffffffff813a4050 [ 39.035142] RDX: ffff888019948000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.035834] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10019def2f [ 39.036509] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.037207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cef7df8 [ 39.037924] FS: 00007f9f7dc7a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.038689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.039266] CR2: 00007ffec79d3ef7 CR3: 000000000ebc6000 CR4: 0000000000350ef0 [ 39.039970] Call Trace: [ 39.040226] [ 39.040449] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.040933] ? __create_object+0x59/0x80 [ 39.041346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.041879] __vmalloc_noprof+0x59/0x60 [ 39.042275] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.042720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.043229] bpf_prog_alloc+0x39/0x200 [ 39.043608] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044112] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.044587] do_seccomp+0x349/0x25e0 [ 39.044972] ? find_held_lock+0x2b/0x80 [ 39.045364] ? do_prlimit+0x310/0x610 [ 39.045748] ? __pfx_do_seccomp+0x10/0x10 [ 39.046178] ? do_raw_spin_unlock+0x53/0x220 [ 39.046612] ? _raw_spin_unlock+0x1e/0x40 [ 39.047044] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.047546] ? static_key_count+0x60/0x80 [ 39.047982] prctl_set_seccomp+0x4e/0x70 [ 39.048388] __do_sys_prctl+0xe6c/0x1d70 [ 39.048807] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049250] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.049755] ? irqentry_exit+0xf3/0x650 [ 39.050189] do_syscall_64+0xbf/0x430 [ 39.050572] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.051086] RIP: 0033:0x7f9f7e16c5cd [ 39.051447] 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 [ 39.053195] RSP: 002b:00007ffec79d29a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.053944] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f7e16c5cd [ 39.054624] RDX: 000055ae94d86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.055319] RBP: 00007ffec79d2a00 R08: 0000000000000000 R09: 00007ffec79d20a0 [ 39.056015] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aeb421cbf0 [ 39.056690] R13: 00007ffec79d2e30 R14: 000055aeb4226380 R15: 000055aeb4231460 [ 39.057390] [ 39.057629] irq event stamp: 1715 [ 39.057978] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.058798] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 39.059601] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 39.060438] softirqs last disabled at (1595): [] __irq_exit_rcu+0xc4/0x100 [ 39.061262] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.373576] ------------[ cut here ]------------ [ 42.374510] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.376577] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.378032] Modules linked in: [ 42.378621] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.380585] Tainted: [W]=WARN [ 42.381636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.383361] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.384340] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.387529] RSP: 0018:ffff888016e2fbc0 EFLAGS: 00010286 [ 42.388517] RAX: 0000000000000000 RBX: ffffed1002dc5f78 RCX: ffffffff813a4050 [ 42.389812] RDX: ffff888016eb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.391108] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc5f2f [ 42.392375] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.393670] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e2fdf8 [ 42.394964] FS: 00007f108f575900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.396421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.397471] CR2: 00007f108fa67580 CR3: 00000000205aa000 CR4: 0000000000350ef0 [ 42.398751] Call Trace: [ 42.399248] [ 42.399661] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.400568] ? __create_object+0x59/0x80 [ 42.401352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.402332] __vmalloc_noprof+0x59/0x60 [ 42.403087] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.403973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.404901] bpf_prog_alloc+0x39/0x200 [ 42.405598] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.406532] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.407425] do_seccomp+0x349/0x25e0 [ 42.408139] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.409045] ? __pfx_do_seccomp+0x10/0x10 [ 42.409843] ? find_held_lock+0x2b/0x80 [ 42.410570] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.411543] ? static_key_count+0x60/0x80 [ 42.412336] prctl_set_seccomp+0x4e/0x70 [ 42.413114] __do_sys_prctl+0xe6c/0x1d70 [ 42.413904] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.414720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.415667] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.416631] ? irqentry_exit+0xf3/0x650 [ 42.417396] do_syscall_64+0xbf/0x430 [ 42.418163] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.419121] RIP: 0033:0x7f108fa675cd [ 42.419815] 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 [ 42.423012] RSP: 002b:00007ffda10fef60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.424357] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f108fa675cd [ 42.425633] RDX: 0000556446b68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.426916] RBP: 00007ffda10fefc0 R08: 0000000000000000 R09: 00007ffda10fe660 [ 42.428205] R10: 0000000000000000 R11: 0000000000000246 R12: 000055647383db10 [ 42.429494] R13: 00007ffda10ff3f0 R14: 000055647383e2b0 R15: 00005564738526f0 [ 42.430818] [ 42.431238] irq event stamp: 1803 [ 42.431886] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.433406] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.434833] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 42.436108] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 42.437369] ---[ end trace 0000000000000000 ]--- [ 43.209745] ------------[ cut here ]------------ [ 43.210433] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.211942] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.213008] Modules linked in: [ 43.213443] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.214900] Tainted: [W]=WARN [ 43.215308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.216383] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.217048] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.219377] RSP: 0018:ffff888015da7bc0 EFLAGS: 00010286 [ 43.220084] RAX: 0000000000000000 RBX: ffffed1002bb4f78 RCX: ffffffff813a4050 [ 43.221013] RDX: ffff8880178b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.221966] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb4f2f [ 43.222897] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.223827] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015da7df8 [ 43.224731] FS: 00007fd66d788900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.225786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.226532] CR2: 00007ffc096c7ef7 CR3: 00000000206d1000 CR4: 0000000000350ef0 [ 43.227462] Call Trace: [ 43.227831] [ 43.228133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.228783] ? __create_object+0x59/0x80 [ 43.229332] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.230071] __vmalloc_noprof+0x59/0x60 [ 43.230600] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.231231] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.231909] bpf_prog_alloc+0x39/0x200 [ 43.232421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.233092] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.233733] do_seccomp+0x349/0x25e0 [ 43.234258] ? find_held_lock+0x2b/0x80 [ 43.234817] ? do_prlimit+0x310/0x610 [ 43.235326] ? __pfx_do_seccomp+0x10/0x10 [ 43.235888] ? do_raw_spin_unlock+0x53/0x220 [ 43.236463] ? _raw_spin_unlock+0x1e/0x40 [ 43.237027] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.238198] ? static_key_count+0x60/0x80 [ 43.238789] prctl_set_seccomp+0x4e/0x70 [ 43.239321] __do_sys_prctl+0xe6c/0x1d70 [ 43.239879] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.240468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.241170] ? irqentry_exit+0xf3/0x650 [ 43.241703] do_syscall_64+0xbf/0x430 [ 43.242263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.242945] RIP: 0033:0x7fd66dc7a5cd [ 43.243426] 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 [ 43.245714] RSP: 002b:00007ffc096c6370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.246694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd66dc7a5cd [ 43.247617] RDX: 000056044336ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.248539] RBP: 00007ffc096c63d0 R08: 0000000000000000 R09: 00007ffc096c5a70 [ 43.249466] R10: 0000000000000000 R11: 0000000000000246 R12: 000056045688fad0 [ 43.250398] R13: 00007ffc096c6800 R14: 0000560456890bc0 R15: 00005604568a1780 [ 43.251332] [ 43.251639] irq event stamp: 1761 [ 43.252100] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 43.253209] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 43.254319] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 43.255428] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 43.257104] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22200' (ECDSA) to the list of known hosts. 2025/11/18 08:28:23 fuzzer started 2025/11/18 08:28:23 dialing manager at localhost:34383 2025/11/18 08:28:23 checking machine... 2025/11/18 08:28:23 checking revisions... [ 44.176876] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:28:23 testing simple program... [ 44.270152] cgroup: Unknown subsys name 'net' [ 44.343415] cgroup: Unknown subsys name 'cpuset' [ 44.374241] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:28:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85c2ca00 RCX=0000000000000002 RDX=0000000000000001 RSI=ffffffff85c2d458 RDI=ffffffff85c2ca00 RBP=ffffffff85c2d458 RSP=ffff88806ce08d68 R8 =0000000000080000 R9 =0000000000000046 R10=0000000000000001 R11=0000000000000000 R12=ffffffff85c2d458 R13=0000000000000000 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff815272c7 RFL=00000002 [-------] 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f058d1e0000 CR3=000000000ddf8000 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=8b5e05ec90bef891e1462a47b6b36faf XMM02=ec2efd57dc4c00df0000000000303cc8 XMM03=3631b645abf153f30000000000303d98 XMM04=64332bc8ccbe4b9300000000000ae988 XMM05=2001aeb5c87608c40000000000320780 XMM06=474038aa6c007e1f0000000000320178 XMM07=e042d86d42eb936e000000000030fbf0 XMM08=3631b645abf153f30000000000303d98 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=fffffffffd5c6df7 RBX=ffffffff869194bc RCX=ffffffff83ee0236 RDX=0000000000000000 RSI=ffffffff86da582a RDI=ffffffff869194b8 RBP=ffffffff869194b8 RSP=ffff88800c42f468 R8 =ffffffff86da582a R9 =0000000000000000 R10=000000000003c9ed R11=00000000000a23c7 R12=ffffffff869194c4 R13=ffffffff869194b8 R14=ffffffff869194b8 R15=dffffc0000000000 RIP=ffffffff8135dac3 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 00007f108f575900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda10f9000 CR3=000000000de96000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000