[ 46.592434] ------------[ cut here ]------------ [ 46.593211] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.594895] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.596115] Modules linked in: [ 46.596636] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.598498] Tainted: [W]=WARN [ 46.598960] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.600262] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.600989] 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 [ 46.603668] RSP: 0018:ffff888019e0fbc0 EFLAGS: 00010286 [ 46.604496] RAX: 0000000000000000 RBX: ffffed10033c1f78 RCX: ffffffff813a4050 [ 46.605562] RDX: ffff888019a80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.606636] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c1f2f [ 46.607725] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.608806] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e0fdf8 [ 46.609883] FS: 00007f024b2ae900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.611100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.612005] CR2: 00007ffdf7a09ef7 CR3: 000000001b1e9000 CR4: 0000000000350ef0 [ 46.613080] Call Trace: [ 46.613509] [ 46.613852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.614592] ? __create_object+0x59/0x80 [ 46.615253] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.616029] __vmalloc_noprof+0x59/0x60 [ 46.616667] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.617396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.618135] bpf_prog_alloc+0x39/0x200 [ 46.618738] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.619523] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.620274] do_seccomp+0x349/0x25e0 [ 46.620835] ? find_held_lock+0x2b/0x80 [ 46.621473] ? do_prlimit+0x310/0x610 [ 46.622058] ? __pfx_do_seccomp+0x10/0x10 [ 46.622715] ? do_raw_spin_unlock+0x53/0x220 [ 46.623412] ? _raw_spin_unlock+0x1e/0x40 [ 46.624024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.624830] ? static_key_count+0x60/0x80 [ 46.625491] prctl_set_seccomp+0x4e/0x70 [ 46.626104] __do_sys_prctl+0xe6c/0x1d70 [ 46.626764] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.627496] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.628307] ? irqentry_exit+0xf3/0x650 [ 46.628913] do_syscall_64+0xbf/0x430 [ 46.629533] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.630332] RIP: 0033:0x7f024b7a05cd [ 46.630878] 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 [ 46.633549] RSP: 002b:00007ffdf7a07cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.634684] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f024b7a05cd [ 46.635769] RDX: 000055878113be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.636846] RBP: 00007ffdf7a07d10 R08: 0000000000000000 R09: 00007ffdf7a073b0 [ 46.637935] R10: 0000000000000000 R11: 0000000000000246 R12: 000055879c17fad0 [ 46.639011] R13: 00007ffdf7a08140 R14: 000055879c180bc0 R15: 000055879c191780 [ 46.640118] [ 46.640514] irq event stamp: 1825 [ 46.641020] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 46.642286] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 46.643562] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 46.644856] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 46.646129] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.666279] ------------[ cut here ]------------ [ 49.667005] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.668653] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.669863] Modules linked in: [ 49.670566] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.672254] Tainted: [W]=WARN [ 49.672710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.673907] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.674647] 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 [ 49.677232] RSP: 0018:ffff88800a4afbc0 EFLAGS: 00010286 [ 49.677999] RAX: 0000000000000000 RBX: ffffed1001495f78 RCX: ffffffff813a4050 [ 49.679039] RDX: ffff888015973780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.680093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001495f2f [ 49.681144] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.682198] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a4afdf8 [ 49.683244] FS: 00007fa1604ff900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.684436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.685310] CR2: 00007ffe57bffef7 CR3: 000000001f78d000 CR4: 0000000000350ef0 [ 49.686359] Call Trace: [ 49.686741] [ 49.687075] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.687820] ? __create_object+0x59/0x80 [ 49.688453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.689244] __vmalloc_noprof+0x59/0x60 [ 49.689832] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.690536] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.691300] bpf_prog_alloc+0x39/0x200 [ 49.691875] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.692626] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.693367] do_seccomp+0x349/0x25e0 [ 49.693920] ? find_held_lock+0x2b/0x80 [ 49.694535] ? do_prlimit+0x310/0x610 [ 49.695109] ? __pfx_do_seccomp+0x10/0x10 [ 49.695760] ? do_raw_spin_unlock+0x53/0x220 [ 49.696445] ? _raw_spin_unlock+0x1e/0x40 [ 49.697045] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.697831] ? static_key_count+0x60/0x80 [ 49.698491] prctl_set_seccomp+0x4e/0x70 [ 49.699097] __do_sys_prctl+0xe6c/0x1d70 [ 49.699738] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.700437] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 49.701236] ? exit_to_user_mode_loop+0xcf/0x4d0 [ 49.701937] do_syscall_64+0xbf/0x430 [ 49.702542] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.703312] RIP: 0033:0x7fa1609f15cd [ 49.703862] 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 [ 49.706649] RSP: 002b:00007ffe57bfdd40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.707782] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1609f15cd [ 49.708827] RDX: 000055976d972e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.709870] RBP: 00007ffe57bfdda0 R08: 0000000000000000 R09: 00007ffe57bfd440 [ 49.710922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559791fd2240 [ 49.711978] R13: 00007ffe57bfe1d0 R14: 0000559791fd1bf0 R15: 0000559791fe64d0 [ 49.713038] [ 49.713410] irq event stamp: 1845 [ 49.713906] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 49.715141] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 49.716401] softirqs last enabled at (1496): [] handle_softirqs+0x50c/0x770 [ 49.717668] softirqs last disabled at (1491): [] __irq_exit_rcu+0xc4/0x100 [ 49.718896] ---[ end trace 0000000000000000 ]--- [ 50.329069] ------------[ cut here ]------------ [ 50.330011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.331999] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.333511] Modules linked in: [ 50.334102] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.336092] Tainted: [W]=WARN [ 50.336695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.338159] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.339067] 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 [ 50.342244] RSP: 0018:ffff888016f1fbc0 EFLAGS: 00010286 [ 50.343212] RAX: 0000000000000000 RBX: ffffed1002de3f78 RCX: ffffffff813a4050 [ 50.344506] RDX: ffff888015918000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.345778] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de3f2f [ 50.347049] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.348327] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f1fdf8 [ 50.349615] FS: 00007f643e425900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.351043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.352107] CR2: 00007f643e917580 CR3: 000000001f63e000 CR4: 0000000000350ef0 [ 50.353389] Call Trace: [ 50.353862] [ 50.354315] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.355225] ? __create_object+0x59/0x80 [ 50.355969] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.356936] __vmalloc_noprof+0x59/0x60 [ 50.357685] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.358554] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.359488] bpf_prog_alloc+0x39/0x200 [ 50.360229] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.361119] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.362015] do_seccomp+0x349/0x25e0 [ 50.362744] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.363652] ? __pfx_do_seccomp+0x10/0x10 [ 50.364444] ? find_held_lock+0x2b/0x80 [ 50.365150] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.366134] ? static_key_count+0x60/0x80 [ 50.366938] prctl_set_seccomp+0x4e/0x70 [ 50.367724] __do_sys_prctl+0xe6c/0x1d70 [ 50.368495] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.369352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.370320] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.371291] ? irqentry_exit+0xf3/0x650 [ 50.372026] do_syscall_64+0xbf/0x430 [ 50.372757] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.373726] RIP: 0033:0x7f643e9175cd [ 50.374430] 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 [ 50.377604] RSP: 002b:00007fff07e6e420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.378970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f643e9175cd [ 50.380276] RDX: 000056090125de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.381560] RBP: 00007fff07e6e480 R08: 0000000000000000 R09: 00007fff07e6db20 [ 50.382842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560924fd1240 [ 50.384120] R13: 00007fff07e6e8b0 R14: 0000560924fda380 R15: 0000560924fe5540 [ 50.385422] [ 50.385846] irq event stamp: 2545 [ 50.386497] hardirqs last enabled at (2555): [] __up_console_sem+0x78/0x80 [ 50.388034] hardirqs last disabled at (2564): [] __up_console_sem+0x5d/0x80 [ 50.389022] softirqs last enabled at (2448): [] handle_softirqs+0x50c/0x770 [ 50.390007] softirqs last disabled at (2443): [] __irq_exit_rcu+0xc4/0x100 [ 50.390969] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16610' (ECDSA) to the list of known hosts. 2025/11/19 02:45:45 fuzzer started 2025/11/19 02:45:45 dialing manager at localhost:34383 2025/11/19 02:45:45 checking machine... 2025/11/19 02:45:45 checking revisions... [ 51.193155] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:45:45 testing simple program... [ 51.271811] cgroup: Unknown subsys name 'net' [ 51.312744] cgroup: Unknown subsys name 'cpuset' [ 51.323742] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:45:44 Registers: info registers vcpu 0 RAX=ffff88800ab92f00 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff8880155d7a01 RSI=ffff8880155d7a40 RDI=ffff8880155d7a40 RBP=ffff8880155d77f8 RSP=ffff8880155d7730 R8 =0000000000000001 R9 =ffff8880155d77e0 R10=000000000003c9ed R11=000000000003f9f7 R12=ffff8880155d7800 R13=ffff8880155d77e8 R14=ffff8880155d7a40 R15=ffff8880155d77a0 RIP=ffffffff8135fb38 RFL=00000202 [-------] 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 00007f735fb88900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f735f2a1000 CR3=000000000daf8000 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=ed75fb69a2bbdf9300000000000ae988 XMM05=73e3d0d63efff31c0000000000323140 XMM06=817b8945e9d503730000000000321ca8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=3bc357cd1f97bb00 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888016f77830 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a68c R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888016f77918 RIP=ffffffff81529242 RFL=00000286 [--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 00007fa1604ff900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559791fd3954 CR3=000000001f76d000 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