[ 39.178389] ------------[ cut here ]------------ [ 39.179268] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.181476] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.182991] Modules linked in: [ 39.183640] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.185663] Tainted: [W]=WARN [ 39.186220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.187703] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.188626] 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 [ 39.191846] RSP: 0018:ffff888016adfbc0 EFLAGS: 00010286 [ 39.192839] RAX: 0000000000000000 RBX: ffffed1002d5bf78 RCX: ffffffff813a4050 [ 39.194165] RDX: ffff888017a98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.195488] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5bf2f [ 39.196802] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.198127] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016adfdf8 [ 39.199445] FS: 00007f05b1755900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.200917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.202004] CR2: 00007f05b1c47580 CR3: 0000000009f25000 CR4: 0000000000350ef0 [ 39.203338] Call Trace: [ 39.203809] [ 39.204222] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.205136] ? __create_object+0x59/0x80 [ 39.205938] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.206931] __vmalloc_noprof+0x59/0x60 [ 39.207709] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.208588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.209541] bpf_prog_alloc+0x39/0x200 [ 39.210221] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.211130] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.212004] do_seccomp+0x349/0x25e0 [ 39.212706] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.213598] ? __pfx_do_seccomp+0x10/0x10 [ 39.214381] ? find_held_lock+0x2b/0x80 [ 39.215092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.216050] ? static_key_count+0x60/0x80 [ 39.216845] prctl_set_seccomp+0x4e/0x70 [ 39.217618] __do_sys_prctl+0xe6c/0x1d70 [ 39.218395] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.219197] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.220189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.221153] ? irqentry_exit+0xf3/0x650 [ 39.221920] do_syscall_64+0xbf/0x430 [ 39.222646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.223576] RIP: 0033:0x7f05b1c475cd [ 39.224220] 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 [ 39.227356] RSP: 002b:00007ffdbd43b160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.228693] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05b1c475cd [ 39.229970] RDX: 0000563804306e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.231226] RBP: 00007ffdbd43b1c0 R08: 0000000000000000 R09: 00007ffdbd43a860 [ 39.232505] R10: 0000000000000000 R11: 0000000000000246 R12: 000056382b01cad0 [ 39.233801] R13: 00007ffdbd43b5f0 R14: 000056382b01dbc0 R15: 000056382b02e780 [ 39.235077] [ 39.235523] irq event stamp: 1735 [ 39.236110] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.237634] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.239119] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 39.240627] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 39.242083] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.864207] ------------[ cut here ]------------ [ 41.865157] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.867221] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.868689] Modules linked in: [ 41.869294] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.871628] Tainted: [W]=WARN [ 41.872193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.873687] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.874605] 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 [ 41.877799] RSP: 0018:ffff88801a9c7bc0 EFLAGS: 00010286 [ 41.878781] RAX: 0000000000000000 RBX: ffffed1003538f78 RCX: ffffffff813a4050 [ 41.880077] RDX: ffff8880163c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.881394] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003538f2f [ 41.882691] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.883973] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9c7df8 [ 41.885291] FS: 00007f45f1615900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.886785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.887852] CR2: 00007f45f1b07580 CR3: 00000000211aa000 CR4: 0000000000350ef0 [ 41.889143] Call Trace: [ 41.889664] [ 41.890083] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.891006] ? __create_object+0x59/0x80 [ 41.891797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.892778] __vmalloc_noprof+0x59/0x60 [ 41.893562] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.894452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.895399] bpf_prog_alloc+0x39/0x200 [ 41.896100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.897031] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.897950] do_seccomp+0x349/0x25e0 [ 41.898682] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.899578] ? __pfx_do_seccomp+0x10/0x10 [ 41.900376] ? find_held_lock+0x2b/0x80 [ 41.901106] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.902089] ? static_key_count+0x60/0x80 [ 41.902893] prctl_set_seccomp+0x4e/0x70 [ 41.903675] __do_sys_prctl+0xe6c/0x1d70 [ 41.904463] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.905303] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.906281] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.907260] ? irqentry_exit+0xf3/0x650 [ 41.908117] do_syscall_64+0xbf/0x430 [ 41.908871] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.909848] RIP: 0033:0x7f45f1b075cd [ 41.910563] 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 [ 41.913782] RSP: 002b:00007fffbf832c60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.915155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45f1b075cd [ 41.916436] RDX: 000055b64aa59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.917736] RBP: 00007fffbf832cc0 R08: 0000000000000000 R09: 00007fffbf832360 [ 41.919024] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b650c60b10 [ 41.920332] R13: 00007fffbf8330f0 R14: 000055b650c612b0 R15: 000055b650c756f0 [ 41.921667] [ 41.922099] irq event stamp: 1833 [ 41.922685] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 41.924040] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 41.925412] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 41.926785] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 41.928130] ---[ end trace 0000000000000000 ]--- [ 42.556231] ------------[ cut here ]------------ [ 42.556669] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.557651] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.558297] Modules linked in: [ 42.558597] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.559506] Tainted: [W]=WARN [ 42.559762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.560441] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.560837] 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 [ 42.562316] RSP: 0018:ffff88801a9c7bc0 EFLAGS: 00010286 [ 42.562745] RAX: 0000000000000000 RBX: ffffed1003538f78 RCX: ffffffff813a4050 [ 42.563433] RDX: ffff888017475340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.564005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003538f2f [ 42.564689] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.565263] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9c7df8 [ 42.565969] FS: 00007f38a4a56900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.566738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.567204] CR2: 00007f38a4f48580 CR3: 00000000212df000 CR4: 0000000000350ef0 [ 42.567799] Call Trace: [ 42.568011] [ 42.568204] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.568615] ? __create_object+0x59/0x80 [ 42.568959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.569414] __vmalloc_noprof+0x59/0x60 [ 42.569744] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.570128] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.570554] bpf_prog_alloc+0x39/0x200 [ 42.570872] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.571280] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.571695] do_seccomp+0x349/0x25e0 [ 42.572005] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.572417] ? __pfx_do_seccomp+0x10/0x10 [ 42.572759] ? find_held_lock+0x2b/0x80 [ 42.573093] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.573544] ? static_key_count+0x60/0x80 [ 42.573897] prctl_set_seccomp+0x4e/0x70 [ 42.574232] __do_sys_prctl+0xe6c/0x1d70 [ 42.574594] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.574968] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.575408] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.575831] ? irqentry_exit+0xf3/0x650 [ 42.576165] do_syscall_64+0xbf/0x430 [ 42.576505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.577041] RIP: 0033:0x7f38a4f485cd [ 42.577374] 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 [ 42.579242] RSP: 002b:00007ffedfed5860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.579875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38a4f485cd [ 42.580457] RDX: 0000559364aa5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.581022] RBP: 00007ffedfed58c0 R08: 0000000000000000 R09: 00007ffedfed4f60 [ 42.581618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559382c44ad0 [ 42.582184] R13: 00007ffedfed5cf0 R14: 0000559382c45bc0 R15: 0000559382c56780 [ 42.582781] [ 42.582979] irq event stamp: 1853 [ 42.583258] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 42.583960] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 42.584669] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 42.585395] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 42.586068] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5201' (ECDSA) to the list of known hosts. 2025/11/17 11:48:31 fuzzer started 2025/11/17 11:48:31 dialing manager at localhost:37895 2025/11/17 11:48:31 checking machine... 2025/11/17 11:48:31 checking revisions... [ 43.328637] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:48:31 testing simple program... [ 43.412809] cgroup: Unknown subsys name 'net' [ 43.484173] cgroup: Unknown subsys name 'cpuset' [ 43.503501] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.409231] audit: type=1400 audit(1763380120.651:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 11:48:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801687f7b8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cee R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801687f8a0 RIP=ffffffff81529257 RFL=00000247 [---Z-PC] 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 00007f45f1615900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffbf82c000 CR3=000000000e286000 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 info registers vcpu 1 RAX=000000000000004e RBX=000000000000541b RCX=ffffffff8152da53 RDX=ffff88800f695340 RSI=ffffffff842d02c0 RDI=ffff8880172b2300 RBP=ffff8880172b2200 RSP=ffff88801622fb18 R8 =0000000000000000 R9 =ffffed1002e56460 R10=ffff8880172b2303 R11=0000000000000001 R12=00007ffd246e9274 R13=00007ffd246e9274 R14=ffffffff8899cbc0 R15=ffff888015d5a280 RIP=ffffffff842d04c3 RFL=00000293 [--S-A-C] 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 00007fe4ab110900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6f5b56346c CR3=000000000d9bb000 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=3345cad3cfaf1e9d2b428d012d83e0b9 XMM02=eff9b2d0a8fce9cb0000000000308cb8 XMM03=2c67c8bc2e329bc30000000000308de0 XMM04=607e755cccffd66c00000000000ae988 XMM05=25b68a3183a82ec500000000003233f0 XMM06=af55633cafa1e7c90000000000322498 XMM07=fb795ef6d65770560000000000312c60 XMM08=2c67c8bc2e329bc30000000000308de0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000