[ 39.380703] ------------[ cut here ]------------ [ 39.381203] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.382246] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.383026] Modules linked in: [ 39.383337] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.384374] Tainted: [W]=WARN [ 39.384678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.385445] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.385901] 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 [ 39.387564] RSP: 0018:ffff888014357bc0 EFLAGS: 00010286 [ 39.388083] RAX: 0000000000000000 RBX: ffffed100286af78 RCX: ffffffff813a4050 [ 39.388741] RDX: ffff88800f33d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.389422] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100286af2f [ 39.390105] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.390758] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014357df8 [ 39.391429] FS: 00007f4b668d5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.392192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.392737] CR2: 00007f4b66dc7580 CR3: 000000001d51f000 CR4: 0000000000350ef0 [ 39.393409] Call Trace: [ 39.393655] [ 39.393870] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.394344] ? __create_object+0x59/0x80 [ 39.394738] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.395246] __vmalloc_noprof+0x59/0x60 [ 39.395626] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.396087] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.396565] bpf_prog_alloc+0x39/0x200 [ 39.396951] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.397417] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.397867] do_seccomp+0x349/0x25e0 [ 39.398253] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.398705] ? __pfx_do_seccomp+0x10/0x10 [ 39.399119] ? find_held_lock+0x2b/0x80 [ 39.399499] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.400009] ? static_key_count+0x60/0x80 [ 39.400413] prctl_set_seccomp+0x4e/0x70 [ 39.400798] __do_sys_prctl+0xe6c/0x1d70 [ 39.401209] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.401637] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.402151] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.402640] ? irqentry_exit+0xf3/0x650 [ 39.403050] do_syscall_64+0xbf/0x430 [ 39.403419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.403893] RIP: 0033:0x7f4b66dc75cd [ 39.404268] 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 [ 39.405940] RSP: 002b:00007ffc11b85aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.406628] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b66dc75cd [ 39.407312] RDX: 000055e698769e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.407994] RBP: 00007ffc11b85b00 R08: 0000000000000000 R09: 00007ffc11b851a0 [ 39.408651] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6b3586ad0 [ 39.409325] R13: 00007ffc11b85f30 R14: 000055e6b3587bc0 R15: 000055e6b3598780 [ 39.410010] [ 39.410235] irq event stamp: 1663 [ 39.410551] hardirqs last enabled at (1671): [] __up_console_sem+0x78/0x80 [ 39.411361] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 39.412170] softirqs last enabled at (1456): [] handle_softirqs+0x50c/0x770 [ 39.412995] softirqs last disabled at (1451): [] __irq_exit_rcu+0xc4/0x100 [ 39.413767] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.034015] ------------[ cut here ]------------ [ 42.034907] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.037055] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.038743] Modules linked in: [ 42.039470] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.041721] Tainted: [W]=WARN [ 42.042398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.044069] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.045113] 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 [ 42.048823] RSP: 0018:ffff888016637bc0 EFLAGS: 00010286 [ 42.050343] RAX: 0000000000000000 RBX: ffffed1002cc6f78 RCX: ffffffff813a4050 [ 42.051813] RDX: ffff888018d98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.053261] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc6f2f [ 42.054697] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.056165] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016637df8 [ 42.057694] FS: 00007f5530b05900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.059503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.060820] CR2: 00007f5530ff7580 CR3: 000000001fe3b000 CR4: 0000000000350ef0 [ 42.062241] Call Trace: [ 42.062763] [ 42.063264] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.064265] ? __create_object+0x59/0x80 [ 42.065160] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.066247] __vmalloc_noprof+0x59/0x60 [ 42.067107] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.068102] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.069162] bpf_prog_alloc+0x39/0x200 [ 42.069997] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.071060] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.072078] do_seccomp+0x349/0x25e0 [ 42.072841] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.073855] ? __pfx_do_seccomp+0x10/0x10 [ 42.074729] ? find_held_lock+0x2b/0x80 [ 42.075571] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.076700] ? static_key_count+0x60/0x80 [ 42.077603] prctl_set_seccomp+0x4e/0x70 [ 42.078474] __do_sys_prctl+0xe6c/0x1d70 [ 42.079345] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.080274] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.081354] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.082427] ? irqentry_exit+0xf3/0x650 [ 42.083267] do_syscall_64+0xbf/0x430 [ 42.084093] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.085180] RIP: 0033:0x7f5530ff75cd [ 42.085926] 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 [ 42.089517] RSP: 002b:00007fff1bbb9750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.091033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5530ff75cd [ 42.092442] RDX: 00005575abbcfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.093856] RBP: 00007fff1bbb97b0 R08: 0000000000000000 R09: 00007fff1bbb8e50 [ 42.095256] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575af06ab10 [ 42.096658] R13: 00007fff1bbb9be0 R14: 00005575af06b2b0 R15: 00005575af07f6f0 [ 42.097526] [ 42.097786] irq event stamp: 1857 [ 42.098190] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 42.099156] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 42.100132] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 42.101078] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 42.101803] ---[ end trace 0000000000000000 ]--- [ 42.967885] ------------[ cut here ]------------ [ 42.968822] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.970797] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.972257] Modules linked in: [ 42.972856] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.974847] Tainted: [W]=WARN [ 42.975472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.976901] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.977774] 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 [ 42.980895] RSP: 0018:ffff888016a9fbc0 EFLAGS: 00010286 [ 42.981811] RAX: 0000000000000000 RBX: ffffed1002d53f78 RCX: ffffffff813a4050 [ 42.983119] RDX: ffff88800f183780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.984338] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d53f2f [ 42.985494] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.986622] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a9fdf8 [ 42.987821] FS: 00007fee8a014900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.989229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.990296] CR2: 00007fee8a506580 CR3: 000000001db01000 CR4: 0000000000350ef0 [ 42.991582] Call Trace: [ 42.992063] [ 42.992470] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.993368] ? __create_object+0x59/0x80 [ 42.994132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.995092] __vmalloc_noprof+0x59/0x60 [ 42.995827] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.996717] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.997672] bpf_prog_alloc+0x39/0x200 [ 42.998341] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.999175] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.999988] do_seccomp+0x349/0x25e0 [ 43.000602] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.001507] ? __pfx_do_seccomp+0x10/0x10 [ 43.002313] ? find_held_lock+0x2b/0x80 [ 43.003094] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.004046] ? static_key_count+0x60/0x80 [ 43.004782] prctl_set_seccomp+0x4e/0x70 [ 43.005583] __do_sys_prctl+0xe6c/0x1d70 [ 43.006340] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.007144] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.008093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.009052] ? irqentry_exit+0xf3/0x650 [ 43.009767] do_syscall_64+0xbf/0x430 [ 43.010524] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.011419] RIP: 0033:0x7fee8a5065cd [ 43.012047] 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 [ 43.015173] RSP: 002b:00007ffd1a4bcce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.016530] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee8a5065cd [ 43.017730] RDX: 0000562fd4d41e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.019009] RBP: 00007ffd1a4bcd40 R08: 0000000000000000 R09: 00007ffd1a4bc3e0 [ 43.020268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562fdfb98b10 [ 43.021443] R13: 00007ffd1a4bd170 R14: 0000562fdfb992b0 R15: 0000562fdfbad6f0 [ 43.022598] [ 43.023002] irq event stamp: 1721 [ 43.023542] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 43.024910] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 43.026282] softirqs last enabled at (1506): [] handle_softirqs+0x50c/0x770 [ 43.027669] softirqs last disabled at (1499): [] __irq_exit_rcu+0xc4/0x100 [ 43.029019] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40744' (ECDSA) to the list of known hosts. 2025/11/18 18:11:16 fuzzer started 2025/11/18 18:11:16 dialing manager at localhost:34383 2025/11/18 18:11:16 checking machine... 2025/11/18 18:11:16 checking revisions... [ 43.962605] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:11:16 testing simple program... [ 44.069287] cgroup: Unknown subsys name 'net' [ 44.124382] cgroup: Unknown subsys name 'cpuset' [ 44.138173] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:11:15 Registers: info registers vcpu 0 RAX=0000000017c91fbd RBX=ffff888018d9b780 RCX=00000000282b68d3 RDX=00000000d7c4159d RSI=00000000ef9db6ea RDI=0000000000104185 RBP=ffff888018d9c1d8 RSP=ffff88801a3ef8d8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888018d9c1d8 R13=00000000ef9db6ea R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275d3 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 00007f5530b05900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f55310bc618 CR3=000000001ffb6000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002063f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4b0be8c008 CR3=000000000e074000 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=48a10f15bdec758604402abbb5a708fd XMM02=0000000000306ba8ec2efd57dc4c00df XMM03=000000000030fc307de44cfbc165ad4f XMM04=a87acf6a3b80006d00000000000ae988 XMM05=279b601490d4044100000000003212d8 XMM06=474038aa6c007e1f00000000003203d0 XMM07=e042d86d42eb936e000000000030ff08 XMM08=7de44cfbc165ad4f0000000000306c08 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000