[ 39.308948] ------------[ cut here ]------------ [ 39.309738] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.311454] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.312714] Modules linked in: [ 39.313284] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.314934] Tainted: [W]=WARN [ 39.315431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.316676] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.317443] 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 [ 39.320103] RSP: 0018:ffff88800ec57bc0 EFLAGS: 00010286 [ 39.320892] RAX: 0000000000000000 RBX: ffffed1001d8af78 RCX: ffffffff813a4050 [ 39.321957] RDX: ffff88801a5d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.323027] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d8af2f [ 39.324101] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.325173] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ec57df8 [ 39.326322] FS: 00007f024fca2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.327573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.328485] CR2: 00007f0250194580 CR3: 00000000168d8000 CR4: 0000000000350ef0 [ 39.329566] Call Trace: [ 39.329955] [ 39.330326] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.331034] ? __create_object+0x59/0x80 [ 39.331700] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.332515] __vmalloc_noprof+0x59/0x60 [ 39.333140] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.333825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.334596] bpf_prog_alloc+0x39/0x200 [ 39.335208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.335942] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.336735] do_seccomp+0x349/0x25e0 [ 39.337341] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.338051] ? __pfx_do_seccomp+0x10/0x10 [ 39.338711] ? find_held_lock+0x2b/0x80 [ 39.339341] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.340139] ? static_key_count+0x60/0x80 [ 39.340775] prctl_set_seccomp+0x4e/0x70 [ 39.341417] __do_sys_prctl+0xe6c/0x1d70 [ 39.342031] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.342746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.343551] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.344352] ? irqentry_exit+0xf3/0x650 [ 39.344962] do_syscall_64+0xbf/0x430 [ 39.345576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.346365] RIP: 0033:0x7f02501945cd [ 39.346915] 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 [ 39.349579] RSP: 002b:00007fff0d9267a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.350754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02501945cd [ 39.351833] RDX: 000055b2be3dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.352902] RBP: 00007fff0d926800 R08: 0000000000000000 R09: 00007fff0d925ea0 [ 39.353973] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2dfea4bf0 [ 39.355038] R13: 00007fff0d926c30 R14: 000055b2dfeae380 R15: 000055b2dfeb9460 [ 39.356112] [ 39.356475] irq event stamp: 1755 [ 39.356976] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.358259] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.359522] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.360809] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 39.362093] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.022148] ------------[ cut here ]------------ [ 43.023125] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.025350] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/245 [ 43.026941] Modules linked in: [ 43.027862] CPU: 1 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.030152] Tainted: [W]=WARN [ 43.030761] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.032391] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.033406] 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 [ 43.036870] RSP: 0018:ffff88801732fbc0 EFLAGS: 00010286 [ 43.037931] RAX: 0000000000000000 RBX: ffffed1002e65f78 RCX: ffffffff813a4050 [ 43.039339] RDX: ffff888009a70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.040751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e65f2f [ 43.042156] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.043553] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801732fdf8 [ 43.044989] FS: 00007fc145193900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.046562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.047728] CR2: 00007fc145685580 CR3: 00000000204d1000 CR4: 0000000000350ef0 [ 43.049144] Call Trace: [ 43.049655] [ 43.050154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.051143] ? __create_object+0x59/0x80 [ 43.051944] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.053028] __vmalloc_noprof+0x59/0x60 [ 43.053849] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.054806] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.055762] bpf_prog_alloc+0x39/0x200 [ 43.056526] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.057494] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.058407] do_seccomp+0x349/0x25e0 [ 43.059131] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.059984] ? __pfx_do_seccomp+0x10/0x10 [ 43.060803] ? find_held_lock+0x2b/0x80 [ 43.061571] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.062581] ? static_key_count+0x60/0x80 [ 43.063391] prctl_set_seccomp+0x4e/0x70 [ 43.064174] __do_sys_prctl+0xe6c/0x1d70 [ 43.064928] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.065783] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.066762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.067739] ? irqentry_exit+0xf3/0x650 [ 43.068517] do_syscall_64+0xbf/0x430 [ 43.069253] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.070203] RIP: 0033:0x7fc1456855cd [ 43.070856] 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 [ 43.074020] RSP: 002b:00007ffee32c5e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.075358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1456855cd [ 43.076639] RDX: 000055890dd13e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.077920] RBP: 00007ffee32c5e70 R08: 0000000000000000 R09: 00007ffee32c5510 [ 43.079190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558919e85b10 [ 43.080486] R13: 00007ffee32c62a0 R14: 0000558919e862b0 R15: 0000558919e9a6f0 [ 43.081789] [ 43.082247] irq event stamp: 1851 [ 43.082842] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 43.084351] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 43.085877] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 43.087474] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 43.089033] ---[ end trace 0000000000000000 ]--- [ 43.897791] ------------[ cut here ]------------ [ 43.898735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.900779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 43.902240] Modules linked in: [ 43.902830] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.905150] Tainted: [W]=WARN [ 43.905706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.907186] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.908044] 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 [ 43.911270] RSP: 0018:ffff88800f7f7bc0 EFLAGS: 00010286 [ 43.912249] RAX: 0000000000000000 RBX: ffffed1001efef78 RCX: ffffffff813a4050 [ 43.913550] RDX: ffff8880185ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.914850] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001efef2f [ 43.916123] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.917406] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f7f7df8 [ 43.918685] FS: 00007f2a34767900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.920110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.921213] CR2: 00007ffcf2815ef7 CR3: 000000001fdf9000 CR4: 0000000000350ef0 [ 43.922494] Call Trace: [ 43.922955] [ 43.923401] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.924304] ? __create_object+0x59/0x80 [ 43.925055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.926043] __vmalloc_noprof+0x59/0x60 [ 43.926801] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.927670] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.928636] bpf_prog_alloc+0x39/0x200 [ 43.929372] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.930298] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.931201] do_seccomp+0x349/0x25e0 [ 43.931879] ? find_held_lock+0x2b/0x80 [ 43.932649] ? do_prlimit+0x310/0x610 [ 43.933399] ? __pfx_do_seccomp+0x10/0x10 [ 43.934178] ? do_raw_spin_unlock+0x53/0x220 [ 43.934960] ? _raw_spin_unlock+0x1e/0x40 [ 43.935745] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.936730] ? static_key_count+0x60/0x80 [ 43.937541] prctl_set_seccomp+0x4e/0x70 [ 43.938326] __do_sys_prctl+0xe6c/0x1d70 [ 43.939118] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.939928] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.940937] ? irqentry_exit+0xf3/0x650 [ 43.941706] do_syscall_64+0xbf/0x430 [ 43.942458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.943415] RIP: 0033:0x7f2a34c595cd [ 43.944134] 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 [ 43.947319] RSP: 002b:00007ffcf2814750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.948703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a34c595cd [ 43.949994] RDX: 0000557ad9a59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.951272] RBP: 00007ffcf28147b0 R08: 0000000000000000 R09: 00007ffcf2813e50 [ 43.952577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557af31db240 [ 43.953865] R13: 00007ffcf2814be0 R14: 0000557af31e4380 R15: 0000557af31ef540 [ 43.955170] [ 43.955591] irq event stamp: 2939 [ 43.956239] hardirqs last enabled at (2949): [] __up_console_sem+0x78/0x80 [ 43.957791] hardirqs last disabled at (2958): [] __up_console_sem+0x5d/0x80 [ 43.959326] softirqs last enabled at (2852): [] handle_softirqs+0x50c/0x770 [ 43.960886] softirqs last disabled at (2847): [] __irq_exit_rcu+0xc4/0x100 [ 43.962270] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64459' (ECDSA) to the list of known hosts. 2025/11/17 17:32:22 fuzzer started 2025/11/17 17:32:22 dialing manager at localhost:37895 2025/11/17 17:32:22 checking machine... 2025/11/17 17:32:22 checking revisions... [ 44.886547] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:32:22 testing simple program... [ 44.981721] cgroup: Unknown subsys name 'net' [ 45.049803] cgroup: Unknown subsys name 'cpuset' [ 45.063969] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:32:21 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88800f9d32c0 RCX=ffffffff812ce3ef RDX=1ffff11001f3a6a8 RSI=ffffffff812ce3fd RDI=ffff88800f9d3540 RBP=ffff88800f9d3300 RSP=ffff888015c8f660 R8 =0000000000000001 R9 =ffffed1001f3a378 R10=0000000000000000 R11=ffff88800f9d2078 R12=0000000000000000 R13=ffff88800f9d32d0 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff812ce438 RFL=00000046 [---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 00007f489bde1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f489b4f6028 CR3=0000000016ff7000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=f00511ed3bf9a4fc00000000000ae988 XMM05=ba7c05d5f50db8bc000000000031ef70 XMM06=e1bcd410fb3842e6000000000031d6c0 XMM07=fb795ef6d6577056000000000030bf18 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=00007ffee32c2b74 RCX=00007ffee32c2b90 RDX=00007ffee32c2b40 RSI=00007ffee32c2b3c RDI=0000558919ea83d0 RBP=00007ffee32c2db0 RSP=00007ffee32c2b20 R8 =0000000000000001 R9 =00007fc14570e860 R10=00007ffee32c1dc8 R11=0000000000000206 R12=0000000000000000 R13=00007ffee32c33a0 R14=0000558919ea83d0 R15=00007ffee32c2f40 RIP=00007fc1456a1f82 RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fc145193900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc14574a618 CR3=000000000de0f000 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=563412feff00545000000000000080fe 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