[ 39.057261] ------------[ cut here ]------------ [ 39.057820] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.059655] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.061102] Modules linked in: [ 39.061744] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.063700] Tainted: [W]=WARN [ 39.064294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.065755] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.066673] 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 [ 39.069846] RSP: 0018:ffff888016377bc0 EFLAGS: 00010286 [ 39.070820] RAX: 0000000000000000 RBX: ffffed1002c6ef78 RCX: ffffffff813a4050 [ 39.072095] RDX: ffff888016420000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.073367] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6ef2f [ 39.074646] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.075930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016377df8 [ 39.077250] FS: 00007f812ff17900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.078675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.079739] CR2: 00007ffd3c307ef7 CR3: 000000000ddc5000 CR4: 0000000000350ef0 [ 39.081017] Call Trace: [ 39.081532] [ 39.081937] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.082831] ? __create_object+0x59/0x80 [ 39.083607] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.084573] __vmalloc_noprof+0x59/0x60 [ 39.085353] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.086181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.087119] bpf_prog_alloc+0x39/0x200 [ 39.087858] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.088791] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.089728] do_seccomp+0x349/0x25e0 [ 39.090451] ? find_held_lock+0x2b/0x80 [ 39.091168] ? do_prlimit+0x310/0x610 [ 39.091919] ? __pfx_do_seccomp+0x10/0x10 [ 39.092712] ? do_raw_spin_unlock+0x53/0x220 [ 39.093574] ? _raw_spin_unlock+0x1e/0x40 [ 39.094373] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.095330] ? static_key_count+0x60/0x80 [ 39.096090] prctl_set_seccomp+0x4e/0x70 [ 39.096863] __do_sys_prctl+0xe6c/0x1d70 [ 39.097663] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.098529] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.099503] ? irqentry_exit+0xf3/0x650 [ 39.100219] do_syscall_64+0xbf/0x430 [ 39.100959] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.101929] RIP: 0033:0x7f81304095cd [ 39.102639] 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 [ 39.105817] RSP: 002b:00007ffd3c3053c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.107181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81304095cd [ 39.108457] RDX: 000055f183ff5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.109986] RBP: 00007ffd3c305420 R08: 0000000000000000 R09: 00007ffd3c304ac0 [ 39.111281] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f18638fb10 [ 39.112557] R13: 00007ffd3c305850 R14: 000055f1863902b0 R15: 000055f1863a46f0 [ 39.113929] [ 39.114404] irq event stamp: 1733 [ 39.115010] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 39.116559] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 39.118120] softirqs last enabled at (1236): [] handle_softirqs+0x50c/0x770 [ 39.119698] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 39.121266] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.753084] ------------[ cut here ]------------ [ 41.754036] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.756053] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 41.757517] Modules linked in: [ 41.758107] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.760106] Tainted: [W]=WARN [ 41.760710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.762160] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.763070] 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 [ 41.766217] RSP: 0018:ffff888016bffbc0 EFLAGS: 00010286 [ 41.767160] RAX: 0000000000000000 RBX: ffffed1002d7ff78 RCX: ffffffff813a4050 [ 41.768420] RDX: ffff888017828000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.769704] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ff2f [ 41.770973] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.772244] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bffdf8 [ 41.773528] FS: 00007f6892882900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.774957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.776015] CR2: 00007f6892d74580 CR3: 000000001f835000 CR4: 0000000000350ef0 [ 41.777338] Call Trace: [ 41.777805] [ 41.778206] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.779101] ? __create_object+0x59/0x80 [ 41.779871] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.780844] __vmalloc_noprof+0x59/0x60 [ 41.781614] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.782502] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.783432] bpf_prog_alloc+0x39/0x200 [ 41.784117] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.785037] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.785949] do_seccomp+0x349/0x25e0 [ 41.786664] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.787565] ? __pfx_do_seccomp+0x10/0x10 [ 41.788347] ? find_held_lock+0x2b/0x80 [ 41.789066] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.790002] ? static_key_count+0x60/0x80 [ 41.790787] prctl_set_seccomp+0x4e/0x70 [ 41.791544] __do_sys_prctl+0xe6c/0x1d70 [ 41.792310] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.793095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.794030] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.794965] ? irqentry_exit+0xf3/0x650 [ 41.795718] do_syscall_64+0xbf/0x430 [ 41.796438] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.797396] RIP: 0033:0x7f6892d745cd [ 41.798049] 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 [ 41.801150] RSP: 002b:00007fff527973e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.802467] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6892d745cd [ 41.803706] RDX: 0000563e2fe55e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.804952] RBP: 00007fff52797440 R08: 0000000000000000 R09: 00007fff52796ae0 [ 41.806244] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e6110bad0 [ 41.807495] R13: 00007fff52797870 R14: 0000563e6110cbc0 R15: 0000563e6111d780 [ 41.808765] [ 41.809185] irq event stamp: 1727 [ 41.809821] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 41.811320] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 41.812789] softirqs last enabled at (1458): [] handle_softirqs+0x50c/0x770 [ 41.814272] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 41.815700] ---[ end trace 0000000000000000 ]--- [ 42.535602] ------------[ cut here ]------------ [ 42.536528] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.538637] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.540107] Modules linked in: [ 42.540801] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.542824] Tainted: [W]=WARN [ 42.543445] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.544948] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.545891] 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 [ 42.549128] RSP: 0018:ffff888016d1fbc0 EFLAGS: 00010286 [ 42.550118] RAX: 0000000000000000 RBX: ffffed1002da3f78 RCX: ffffffff813a4050 [ 42.551437] RDX: ffff888019b1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.552728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da3f2f [ 42.554036] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.555333] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d1fdf8 [ 42.556642] FS: 00007f923a914900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.558115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.559190] CR2: 00007f923ae06580 CR3: 000000001dd5a000 CR4: 0000000000350ef0 [ 42.560503] Call Trace: [ 42.560970] [ 42.561443] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.562360] ? __create_object+0x59/0x80 [ 42.563102] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.564088] __vmalloc_noprof+0x59/0x60 [ 42.564854] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.565752] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.566706] bpf_prog_alloc+0x39/0x200 [ 42.567449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.568387] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.569317] do_seccomp+0x349/0x25e0 [ 42.570017] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.570928] ? __pfx_do_seccomp+0x10/0x10 [ 42.571739] ? find_held_lock+0x2b/0x80 [ 42.572526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.573525] ? static_key_count+0x60/0x80 [ 42.574347] prctl_set_seccomp+0x4e/0x70 [ 42.575089] __do_sys_prctl+0xe6c/0x1d70 [ 42.575884] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.576763] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.577760] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.578746] ? irqentry_exit+0xf3/0x650 [ 42.579515] do_syscall_64+0xbf/0x430 [ 42.580216] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.581197] RIP: 0033:0x7f923ae065cd [ 42.581915] 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 [ 42.585162] RSP: 002b:00007fff599d95b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.586548] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f923ae065cd [ 42.587850] RDX: 00005644377f9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.589169] RBP: 00007fff599d9610 R08: 0000000000000000 R09: 00007fff599d8cb0 [ 42.590454] R10: 0000000000000000 R11: 0000000000000246 R12: 000056446586aad0 [ 42.591759] R13: 00007fff599d9a40 R14: 000056446586bbc0 R15: 000056446587c780 [ 42.593091] [ 42.593561] irq event stamp: 1721 [ 42.594177] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 42.595743] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 42.597300] softirqs last enabled at (1526): [] handle_softirqs+0x50c/0x770 [ 42.598857] softirqs last disabled at (1521): [] __irq_exit_rcu+0xc4/0x100 [ 42.600398] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21697' (ECDSA) to the list of known hosts. 2025/11/17 21:17:12 fuzzer started 2025/11/17 21:17:13 dialing manager at localhost:37895 2025/11/17 21:17:13 checking machine... 2025/11/17 21:17:13 checking revisions... [ 43.592805] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:17:13 testing simple program... [ 43.689541] cgroup: Unknown subsys name 'net' [ 43.767678] cgroup: Unknown subsys name 'cpuset' [ 43.789426] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:17:12 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce08a50 RCX=0000000000000001 RDX=1ffff1100d9c114c RSI=ffff888016537ee8 RDI=ffff88806ce08a60 RBP=ffff888016537ee8 RSP=ffff88806ce089a8 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000231c7 R12=0000000000000008 R13=ffff888016530000 R14=ffff888016537ee8 R15=ffff88806ce08a50 RIP=ffffffff8135e28e 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 00007f6892882900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000563e61121b88 CR3=000000001f3d7000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001b7ff RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd482a3548 CR3=000000000d6d2000 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=709fe73064330cba6d48f215c1be367a XMM02=0000000000302cb0ec2efd57dc4c00df XMM03=0000000000310130dc08b63826ff4cc0 XMM04=d9f8409d665d369700000000000ae988 XMM05=6bc243166eaebf1c0000000000321240 XMM06=8fede82a5ad58cbe00000000003202e0 XMM07=e042d86d42eb936e0000000000310b18 XMM08=dc08b63826ff4cc00000000000302d10 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000