[ 39.539786] ------------[ cut here ]------------ [ 39.540734] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.543325] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.544801] Modules linked in: [ 39.545393] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.547455] Tainted: [W]=WARN [ 39.548017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.549492] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.550364] 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 [ 39.553528] RSP: 0018:ffff888016077bc0 EFLAGS: 00010286 [ 39.554521] RAX: 0000000000000000 RBX: ffffed1002c0ef78 RCX: ffffffff813a4050 [ 39.555813] RDX: ffff88801640b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.557102] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c0ef2f [ 39.558464] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.559817] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016077df8 [ 39.561167] FS: 00007f945c755900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.562667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.563737] CR2: 00007f945cc47580 CR3: 0000000009873000 CR4: 0000000000350ef0 [ 39.565035] Call Trace: [ 39.565550] [ 39.565964] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.566882] ? __create_object+0x59/0x80 [ 39.567670] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.568625] __vmalloc_noprof+0x59/0x60 [ 39.569358] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.570224] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.571161] bpf_prog_alloc+0x39/0x200 [ 39.571906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.572832] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.573749] do_seccomp+0x349/0x25e0 [ 39.574491] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.575351] ? __pfx_do_seccomp+0x10/0x10 [ 39.576144] ? find_held_lock+0x2b/0x80 [ 39.576923] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.577917] ? static_key_count+0x60/0x80 [ 39.578744] prctl_set_seccomp+0x4e/0x70 [ 39.579515] __do_sys_prctl+0xe6c/0x1d70 [ 39.580247] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.581104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.582085] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.583360] ? irqentry_exit+0xf3/0x650 [ 39.584145] do_syscall_64+0xbf/0x430 [ 39.584880] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.585850] RIP: 0033:0x7f945cc475cd [ 39.586565] 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 [ 39.589761] RSP: 002b:00007ffeb5f966f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.591124] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f945cc475cd [ 39.592399] RDX: 000055baeec22e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.593746] RBP: 00007ffeb5f96750 R08: 0000000000000000 R09: 00007ffeb5f95df0 [ 39.595028] R10: 0000000000000000 R11: 0000000000000246 R12: 000055baf58aa2b0 [ 39.596328] R13: 00007ffeb5f96b80 R14: 000055baf58acd20 R15: 000055baf58be8d0 [ 39.597622] [ 39.598045] irq event stamp: 1737 [ 39.598695] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 39.600217] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.601754] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 39.603296] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 39.604814] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.573157] ------------[ cut here ]------------ [ 42.574025] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.575812] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.577105] Modules linked in: [ 42.577681] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.579443] Tainted: [W]=WARN [ 42.579927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.581220] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.582040] 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 [ 42.584799] RSP: 0018:ffff88801ad87bc0 EFLAGS: 00010286 [ 42.585654] RAX: 0000000000000000 RBX: ffffed10035b0f78 RCX: ffffffff813a4050 [ 42.586768] RDX: ffff8880149ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.587877] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035b0f2f [ 42.588993] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.590114] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ad87df8 [ 42.591234] FS: 00007f2101fc6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.592479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.593370] CR2: 00007f21024b8580 CR3: 00000000202b4000 CR4: 0000000000350ef0 [ 42.594483] Call Trace: [ 42.594899] [ 42.595262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.596041] ? __create_object+0x59/0x80 [ 42.596720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.597572] __vmalloc_noprof+0x59/0x60 [ 42.598189] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.598968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599773] bpf_prog_alloc+0x39/0x200 [ 42.600379] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.601181] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.601986] do_seccomp+0x349/0x25e0 [ 42.602609] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.603348] ? __pfx_do_seccomp+0x10/0x10 [ 42.604021] ? find_held_lock+0x2b/0x80 [ 42.604667] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.605512] ? static_key_count+0x60/0x80 [ 42.606157] prctl_set_seccomp+0x4e/0x70 [ 42.606817] __do_sys_prctl+0xe6c/0x1d70 [ 42.607501] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.608190] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.609029] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.609881] ? irqentry_exit+0xf3/0x650 [ 42.610539] do_syscall_64+0xbf/0x430 [ 42.611132] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.611945] RIP: 0033:0x7f21024b85cd [ 42.612550] 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 [ 42.615301] RSP: 002b:00007fffbb393070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.616463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21024b85cd [ 42.617556] RDX: 0000555b3ebbae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.618644] RBP: 00007fffbb3930d0 R08: 0000000000000000 R09: 00007fffbb392770 [ 42.619728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555b49103ad0 [ 42.620828] R13: 00007fffbb393500 R14: 0000555b49104bc0 R15: 0000555b49115780 [ 42.621960] [ 42.622314] irq event stamp: 1713 [ 42.622867] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.624170] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.625480] softirqs last enabled at (1446): [] handle_softirqs+0x50c/0x770 [ 42.626795] softirqs last disabled at (1441): [] __irq_exit_rcu+0xc4/0x100 [ 42.628097] ---[ end trace 0000000000000000 ]--- [ 43.349227] ------------[ cut here ]------------ [ 43.350203] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.352210] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.353692] Modules linked in: [ 43.354296] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.356560] Tainted: [W]=WARN [ 43.357130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.358677] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.359608] 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 [ 43.362843] RSP: 0018:ffff888017167bc0 EFLAGS: 00010286 [ 43.363828] RAX: 0000000000000000 RBX: ffffed1002e2cf78 RCX: ffffffff813a4050 [ 43.365139] RDX: ffff8880163d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.366460] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2cf2f [ 43.367761] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.369060] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017167df8 [ 43.370374] FS: 00007f97e3292900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.371817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.372893] CR2: 00007f97e3784580 CR3: 000000000d73e000 CR4: 0000000000350ef0 [ 43.374212] Call Trace: [ 43.374728] [ 43.375156] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.376053] ? __create_object+0x59/0x80 [ 43.376840] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.377843] __vmalloc_noprof+0x59/0x60 [ 43.378613] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.379515] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.380485] bpf_prog_alloc+0x39/0x200 [ 43.381195] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.382151] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.383065] do_seccomp+0x349/0x25e0 [ 43.383801] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.384709] ? __pfx_do_seccomp+0x10/0x10 [ 43.385533] ? find_held_lock+0x2b/0x80 [ 43.386254] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.387227] ? static_key_count+0x60/0x80 [ 43.388036] prctl_set_seccomp+0x4e/0x70 [ 43.388826] __do_sys_prctl+0xe6c/0x1d70 [ 43.389629] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.390498] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.391476] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.392409] ? irqentry_exit+0xf3/0x650 [ 43.393190] do_syscall_64+0xbf/0x430 [ 43.393947] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.394897] RIP: 0033:0x7f97e37845cd [ 43.395623] 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 [ 43.398876] RSP: 002b:00007ffce559b5a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.400262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97e37845cd [ 43.401596] RDX: 000055c24c22de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.402740] RBP: 00007ffce559b600 R08: 0000000000000000 R09: 00007ffce559aca0 [ 43.403814] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c26ed1cad0 [ 43.404891] R13: 00007ffce559ba30 R14: 000055c26ed1dbc0 R15: 000055c26ed2e780 [ 43.406000] [ 43.406356] irq event stamp: 1787 [ 43.406904] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 43.408179] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 43.409496] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 43.410801] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 43.412071] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33848' (ECDSA) to the list of known hosts. 2025/11/18 17:52:29 fuzzer started 2025/11/18 17:52:30 dialing manager at localhost:34383 2025/11/18 17:52:30 checking machine... 2025/11/18 17:52:30 checking revisions... [ 44.268121] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:52:30 testing simple program... [ 44.357136] cgroup: Unknown subsys name 'net' [ 44.418819] cgroup: Unknown subsys name 'cpuset' [ 44.436183] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:52:29 Registers: info registers vcpu 0 RAX=5c3f565a06b0b300 RBX=ffff88806ce08e00 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089b8 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000255ed R12=ffffffff8135e7a2 R13=ffff88806ce08ab8 R14=ffff88806ce08de8 R15=ffff88806ce08a70 RIP=ffffffff81528ee4 RFL=00000296 [--S-AP-] 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 00007f2101fc6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffbb38d000 CR3=000000002024d000 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=0000000000000000 RBX=ffff888009757bb0 RCX=ffff888009757794 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff8880096fc200 RBP=ffff888009750000 RSP=ffff8880097577c8 R8 =ffffffff86ab8e24 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000025764 R12=ffff888009757801 R13=ffff888009757888 R14=ffff888009757bb0 R15=ffff888009757840 RIP=ffffffff8152902d RFL=00000296 [--S-AP-] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000558a3291f650 CR3=00000000143b5000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=3e22bfef3f0a32ed00000000000ae988 XMM05=a776f6528f127ed100000000003230c0 XMM06=14648eaa1277bab10000000000322270 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000