[ 46.691437] ------------[ cut here ]------------ [ 46.692373] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.694443] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.695861] Modules linked in: [ 46.696496] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.698487] Tainted: [W]=WARN [ 46.699034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.700478] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.701365] 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 [ 46.704522] RSP: 0018:ffff888013e8fbc0 EFLAGS: 00010286 [ 46.705491] RAX: 0000000000000000 RBX: ffffed10027d1f78 RCX: ffffffff813a4050 [ 46.706779] RDX: ffff888012bb3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.708035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d1f2f [ 46.709324] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.710622] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e8fdf8 [ 46.711894] FS: 00007fdade3af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.713343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.714382] CR2: 00007ffea1ca9ef7 CR3: 000000000c6b4000 CR4: 0000000000350ef0 [ 46.715627] Call Trace: [ 46.716077] [ 46.716519] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.717394] ? __create_object+0x59/0x80 [ 46.718113] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.719062] __vmalloc_noprof+0x59/0x60 [ 46.719797] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.720647] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.721553] bpf_prog_alloc+0x39/0x200 [ 46.722243] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.723157] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.724035] do_seccomp+0x349/0x25e0 [ 46.724725] ? find_held_lock+0x2b/0x80 [ 46.725466] ? do_prlimit+0x310/0x610 [ 46.726146] ? __pfx_do_seccomp+0x10/0x10 [ 46.726930] ? do_raw_spin_unlock+0x53/0x220 [ 46.727744] ? _raw_spin_unlock+0x1e/0x40 [ 46.728505] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.729445] ? static_key_count+0x60/0x80 [ 46.730185] prctl_set_seccomp+0x4e/0x70 [ 46.730950] __do_sys_prctl+0xe6c/0x1d70 [ 46.731710] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.732551] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.733485] ? irqentry_exit+0xf3/0x650 [ 46.734186] do_syscall_64+0xbf/0x430 [ 46.734922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.735849] RIP: 0033:0x7fdade8a15cd [ 46.736538] 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 [ 46.739626] RSP: 002b:00007ffea1ca7c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.740966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdade8a15cd [ 46.742222] RDX: 0000557d08b8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.743473] RBP: 00007ffea1ca7cf0 R08: 0000000000000000 R09: 00007ffea1ca7390 [ 46.744740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d42274ad0 [ 46.746013] R13: 00007ffea1ca8120 R14: 0000557d42275bc0 R15: 0000557d42286780 [ 46.747338] [ 46.747776] irq event stamp: 1833 [ 46.748433] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 46.749942] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 46.751474] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 46.753006] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 46.754486] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.141551] ------------[ cut here ]------------ [ 50.142469] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.144470] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 50.145892] Modules linked in: [ 50.146519] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.148471] Tainted: [W]=WARN [ 50.149017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.150486] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.151397] 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 [ 50.154548] RSP: 0018:ffff888019ccfbc0 EFLAGS: 00010286 [ 50.155518] RAX: 0000000000000000 RBX: ffffed1003399f78 RCX: ffffffff813a4050 [ 50.156797] RDX: ffff888015fb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.158055] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003399f2f [ 50.159345] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.160600] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ccfdf8 [ 50.161856] FS: 00007fd39f059900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.163325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.164371] CR2: 00007ffd56ee6ef7 CR3: 0000000020c17000 CR4: 0000000000350ef0 [ 50.165622] Call Trace: [ 50.166074] [ 50.166537] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.167439] ? __create_object+0x59/0x80 [ 50.168166] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.169129] __vmalloc_noprof+0x59/0x60 [ 50.169874] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.170777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.171709] bpf_prog_alloc+0x39/0x200 [ 50.172442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.173344] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.174189] do_seccomp+0x349/0x25e0 [ 50.174917] ? find_held_lock+0x2b/0x80 [ 50.175656] ? do_prlimit+0x310/0x610 [ 50.176391] ? __pfx_do_seccomp+0x10/0x10 [ 50.177119] ? do_raw_spin_unlock+0x53/0x220 [ 50.177937] ? _raw_spin_unlock+0x1e/0x40 [ 50.178720] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.179671] ? static_key_count+0x60/0x80 [ 50.180457] prctl_set_seccomp+0x4e/0x70 [ 50.181175] __do_sys_prctl+0xe6c/0x1d70 [ 50.181941] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.182801] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.183761] ? irqentry_exit+0xf3/0x650 [ 50.184519] do_syscall_64+0xbf/0x430 [ 50.185201] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.186127] RIP: 0033:0x7fd39f54b5cd [ 50.186830] 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 [ 50.189954] RSP: 002b:00007ffd56ee5910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.191325] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd39f54b5cd [ 50.192579] RDX: 00005643727cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.193858] RBP: 00007ffd56ee5970 R08: 0000000000000000 R09: 00007ffd56ee5010 [ 50.195134] R10: 0000000000000000 R11: 0000000000000246 R12: 00005643ad812bf0 [ 50.196402] R13: 00007ffd56ee5da0 R14: 00005643ad81c380 R15: 00005643ad827460 [ 50.197683] [ 50.198102] irq event stamp: 1715 [ 50.198759] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 50.200264] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 50.201786] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 50.203319] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 50.204815] ---[ end trace 0000000000000000 ]--- [ 50.992997] ------------[ cut here ]------------ [ 50.993907] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.995924] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.997427] Modules linked in: [ 50.998010] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.000007] Tainted: [W]=WARN [ 51.000603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.002060] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.002973] 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 [ 51.006118] RSP: 0018:ffff888017327bc0 EFLAGS: 00010286 [ 51.007085] RAX: 0000000000000000 RBX: ffffed1002e64f78 RCX: ffffffff813a4050 [ 51.008367] RDX: ffff888015d05340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.009642] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e64f2f [ 51.010907] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.012176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017327df8 [ 51.013441] FS: 00007f922e459900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.014866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.015921] CR2: 00007ffd9b378ef7 CR3: 00000000206fd000 CR4: 0000000000350ef0 [ 51.017189] Call Trace: [ 51.017696] [ 51.018114] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.019019] ? __create_object+0x59/0x80 [ 51.019793] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.020751] __vmalloc_noprof+0x59/0x60 [ 51.021502] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.022376] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.023272] bpf_prog_alloc+0x39/0x200 [ 51.024020] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.024957] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.025878] do_seccomp+0x349/0x25e0 [ 51.026612] ? find_held_lock+0x2b/0x80 [ 51.027378] ? do_prlimit+0x310/0x610 [ 51.028091] ? __pfx_do_seccomp+0x10/0x10 [ 51.028878] ? do_raw_spin_unlock+0x53/0x220 [ 51.029720] ? _raw_spin_unlock+0x1e/0x40 [ 51.030514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.031498] ? static_key_count+0x60/0x80 [ 51.032266] prctl_set_seccomp+0x4e/0x70 [ 51.033046] __do_sys_prctl+0xe6c/0x1d70 [ 51.033833] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.034703] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.035682] ? irqentry_exit+0xf3/0x650 [ 51.036450] do_syscall_64+0xbf/0x430 [ 51.037156] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.038111] RIP: 0033:0x7f922e94b5cd [ 51.038835] 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 [ 51.042048] RSP: 002b:00007ffd9b377650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.043445] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f922e94b5cd [ 51.044747] RDX: 000055810363fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.046038] RBP: 00007ffd9b3776b0 R08: 0000000000000000 R09: 00007ffd9b376d50 [ 51.047351] R10: 0000000000000000 R11: 0000000000000246 R12: 000055812ca6bb10 [ 51.048644] R13: 00007ffd9b377ae0 R14: 000055812ca6c2b0 R15: 000055812ca806f0 [ 51.049955] [ 51.050433] irq event stamp: 1755 [ 51.051048] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 51.052582] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 51.054110] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 51.055678] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 51.057205] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51157' (ECDSA) to the list of known hosts. 2025/11/17 19:55:52 fuzzer started 2025/11/17 19:55:53 dialing manager at localhost:37895 2025/11/17 19:55:53 checking machine... 2025/11/17 19:55:53 checking revisions... [ 51.969696] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:55:53 testing simple program... [ 52.063696] cgroup: Unknown subsys name 'net' [ 52.113736] cgroup: Unknown subsys name 'cpuset' [ 52.125838] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:55:52 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff85e78600 RCX=ffffffff8175a5b5 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff88806ce08a18 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007fd39f54be83 R13=0000000000000000 R14=ffff88801605b780 R15=0000000000000000 RIP=ffffffff81751738 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 00007fd39f059900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd39f60e650 CR3=00000000207ef000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff8880096fb780 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880096fc1d8 RSP=ffff888009757698 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270f5 RFL=00000007 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fede5c23000 CR3=000000000c610000 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=8180416d5dff1cb91842e55618bdd274 XMM02=0000000000303ab0d59e07bde36eea69 XMM03=0000000000303bd8ec2efd57dc4c00df XMM04=7d2fc184114d61a000000000000ae988 XMM05=8376aaf7c16f993d00000000003211b0 XMM06=090f1556b20111b3000000000031f570 XMM07=fb795ef6d65770560000000000310e20 XMM08=2c67c8bc2e329bc30000000000303bd8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000