[ 38.887614] ------------[ cut here ]------------ [ 38.888074] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.889030] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.889690] Modules linked in: [ 38.889991] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.890936] Tainted: [W]=WARN [ 38.891201] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.891874] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.892308] 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 [ 38.893812] RSP: 0018:ffff888015b3fbc0 EFLAGS: 00010286 [ 38.894267] RAX: 0000000000000000 RBX: ffffed1002b67f78 RCX: ffffffff813a4050 [ 38.894862] RDX: ffff88800f5c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.895476] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b67f2f [ 38.896116] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.896707] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015b3fdf8 [ 38.897314] FS: 00007f4fd6781900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.897997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.898476] CR2: 00007f4fd6c73580 CR3: 000000001c79c000 CR4: 0000000000350ef0 [ 38.899091] Call Trace: [ 38.899309] [ 38.899500] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.899917] ? __create_object+0x59/0x80 [ 38.900270] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.900705] __vmalloc_noprof+0x59/0x60 [ 38.901057] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.901447] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.901871] bpf_prog_alloc+0x39/0x200 [ 38.902205] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.902632] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.903079] do_seccomp+0x349/0x25e0 [ 38.903403] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.903807] ? __pfx_do_seccomp+0x10/0x10 [ 38.904179] ? find_held_lock+0x2b/0x80 [ 38.904520] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.904972] ? static_key_count+0x60/0x80 [ 38.905337] prctl_set_seccomp+0x4e/0x70 [ 38.905686] __do_sys_prctl+0xe6c/0x1d70 [ 38.906056] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.906439] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.906886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.907356] ? irqentry_exit+0xf3/0x650 [ 38.907696] do_syscall_64+0xbf/0x430 [ 38.908050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.908473] RIP: 0033:0x7f4fd6c735cd [ 38.908789] 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 [ 38.910279] RSP: 002b:00007ffc4296d630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.910943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fd6c735cd [ 38.911536] RDX: 000055f1e9491e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.912159] RBP: 00007ffc4296d690 R08: 0000000000000000 R09: 00007ffc4296cd30 [ 38.912744] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1ee5bdbf0 [ 38.913351] R13: 00007ffc4296dac0 R14: 000055f1ee5c7380 R15: 000055f1ee5d2460 [ 38.913986] [ 38.914195] irq event stamp: 1771 [ 38.914488] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 38.915219] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 38.915942] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 38.916645] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 38.917374] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.166975] ------------[ cut here ]------------ [ 41.167937] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.170080] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.171703] Modules linked in: [ 41.172410] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.174532] Tainted: [W]=WARN [ 41.175175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.176733] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.177711] 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 [ 41.181110] RSP: 0018:ffff888019537bc0 EFLAGS: 00010286 [ 41.182159] RAX: 0000000000000000 RBX: ffffed10032a6f78 RCX: ffffffff813a4050 [ 41.183533] RDX: ffff88800f518000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.184921] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032a6f2f [ 41.186274] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.187645] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019537df8 [ 41.189009] FS: 00007f0832a55900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.190537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.191694] CR2: 00007f0832f47580 CR3: 000000001f5de000 CR4: 0000000000350ef0 [ 41.193061] Call Trace: [ 41.193552] [ 41.194036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.195101] ? __create_object+0x59/0x80 [ 41.195888] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.196969] __vmalloc_noprof+0x59/0x60 [ 41.197730] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.198670] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.199675] bpf_prog_alloc+0x39/0x200 [ 41.200484] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.201497] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.202460] do_seccomp+0x349/0x25e0 [ 41.203252] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.204221] ? __pfx_do_seccomp+0x10/0x10 [ 41.205069] ? find_held_lock+0x2b/0x80 [ 41.205823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.206878] ? static_key_count+0x60/0x80 [ 41.207740] prctl_set_seccomp+0x4e/0x70 [ 41.208586] __do_sys_prctl+0xe6c/0x1d70 [ 41.209440] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.210360] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.211417] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.212461] ? irqentry_exit+0xf3/0x650 [ 41.213303] do_syscall_64+0xbf/0x430 [ 41.214111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.215166] RIP: 0033:0x7f0832f475cd [ 41.215873] 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 [ 41.219289] RSP: 002b:00007ffec68f4bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.220750] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0832f475cd [ 41.222113] RDX: 0000555e1e536e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.223499] RBP: 00007ffec68f4c10 R08: 0000000000000000 R09: 00007ffec68f42b0 [ 41.224876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e2df78ad0 [ 41.226279] R13: 00007ffec68f5040 R14: 0000555e2df79bc0 R15: 0000555e2df8a780 [ 41.227694] [ 41.228054] irq event stamp: 1749 [ 41.228463] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 41.229482] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 41.230508] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 41.231588] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 41.232378] ---[ end trace 0000000000000000 ]--- [ 42.078440] ------------[ cut here ]------------ [ 42.079406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.081428] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.082982] Modules linked in: [ 42.083569] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.085567] Tainted: [W]=WARN [ 42.086154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.087632] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.088546] 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 [ 42.091714] RSP: 0018:ffff888016d8fbc0 EFLAGS: 00010286 [ 42.092700] RAX: 0000000000000000 RBX: ffffed1002db1f78 RCX: ffffffff813a4050 [ 42.093964] RDX: ffff8880176c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.095264] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db1f2f [ 42.096527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.097794] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d8fdf8 [ 42.099094] FS: 00007f46a3bf9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.100531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.101597] CR2: 00007fff4794def8 CR3: 000000000deeb000 CR4: 0000000000350ef0 [ 42.102927] Call Trace: [ 42.103396] [ 42.103803] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.104711] ? __create_object+0x59/0x80 [ 42.105487] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.106465] __vmalloc_noprof+0x59/0x60 [ 42.107246] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.108127] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.109097] bpf_prog_alloc+0x39/0x200 [ 42.109802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.110739] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.111658] do_seccomp+0x349/0x25e0 [ 42.112378] ? find_held_lock+0x2b/0x80 [ 42.113134] ? do_prlimit+0x310/0x610 [ 42.113834] ? __pfx_do_seccomp+0x10/0x10 [ 42.114632] ? do_raw_spin_unlock+0x53/0x220 [ 42.115480] ? _raw_spin_unlock+0x1e/0x40 [ 42.116269] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.117246] ? static_key_count+0x60/0x80 [ 42.118054] prctl_set_seccomp+0x4e/0x70 [ 42.118809] __do_sys_prctl+0xe6c/0x1d70 [ 42.119589] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.120475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.121460] ? irqentry_exit+0xf3/0x650 [ 42.122211] do_syscall_64+0xbf/0x430 [ 42.122943] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.123831] RIP: 0033:0x7f46a40eb5cd [ 42.124522] 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 [ 42.127696] RSP: 002b:00007fff4794c830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.129067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46a40eb5cd [ 42.130336] RDX: 00005568c7796e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.131645] RBP: 00007fff4794c890 R08: 0000000000000000 R09: 00007fff4794bf30 [ 42.132943] R10: 0000000000000000 R11: 0000000000000246 R12: 00005568e7838b10 [ 42.134222] R13: 00007fff4794ccc0 R14: 00005568e78392b0 R15: 00005568e784d6f0 [ 42.135536] [ 42.135996] irq event stamp: 1749 [ 42.136601] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.138092] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.139600] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 42.141150] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 42.142649] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13503' (ECDSA) to the list of known hosts. 2025/11/18 03:06:30 fuzzer started 2025/11/18 03:06:30 dialing manager at localhost:37895 2025/11/18 03:06:30 checking machine... 2025/11/18 03:06:30 checking revisions... [ 43.095416] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:06:30 testing simple program... [ 43.178345] cgroup: Unknown subsys name 'net' [ 43.263345] cgroup: Unknown subsys name 'cpuset' [ 43.276105] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:06:29 Registers: info registers vcpu 0 RAX=ffffffff87ae2fa0 RBX=ffff88800f519bc0 RCX=7e26f13f8bf2fba7 RDX=7e26f13f8bf2fba7 RSI=00000000e677547e RDI=ffff88800f51a618 RBP=ffff88800f51a618 RSP=ffff888016abfb68 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800f51a618 R13=000000000000345e R14=0000000000000000 R15=7e26f13f8bf2fba7 RIP=ffffffff81527b75 RFL=00000086 [--S--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 00007f0832a55900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec68ee000 CR3=000000000b3dd000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888009757908 RCX=ffff888009757794 RDX=1ffff110012eaf32 RSI=ffffffff81b2a3f3 RDI=ffff888009757914 RBP=ffff888009757990 RSP=ffff888009757820 R8 =ffffffff86ab8c8e R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000025776 R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81619077 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f96dc4f9030 CR3=000000000cd9b000 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=d237c50fbcd61d9d4d40b6bda97fb8dc XMM02=00000000003016b8eff9b2d0a8fce9cb XMM03=00000000003017882c67c8bc2e329bc3 XMM04=09fcb8ffde5d395700000000000ae988 XMM05=d96330e2d2db8632000000000031d038 XMM06=474038aa6c007e1f000000000031cec0 XMM07=e042d86d42eb936e000000000030bdc0 XMM08=aabd12c673188e690000000000301788 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000