[ 47.492678] ------------[ cut here ]------------ [ 47.493607] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.495607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 47.497046] Modules linked in: [ 47.497709] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.499714] Tainted: [W]=WARN [ 47.500538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.502069] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.502994] 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 [ 47.506152] RSP: 0018:ffff888016377bc0 EFLAGS: 00010286 [ 47.507095] RAX: 0000000000000000 RBX: ffffed1002c6ef78 RCX: ffffffff813a4050 [ 47.508400] RDX: ffff8880154d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.509683] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6ef2f [ 47.510960] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.512234] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016377df8 [ 47.513527] FS: 00007fb3aa3e5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.514965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.516031] CR2: 00007fb3aa8d7580 CR3: 000000000c513000 CR4: 0000000000350ef0 [ 47.517311] Call Trace: [ 47.517773] [ 47.518233] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.519082] ? __create_object+0x59/0x80 [ 47.519855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.520834] __vmalloc_noprof+0x59/0x60 [ 47.521603] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.522473] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.523411] bpf_prog_alloc+0x39/0x200 [ 47.524155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.525056] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.525980] do_seccomp+0x349/0x25e0 [ 47.526704] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.527612] ? __pfx_do_seccomp+0x10/0x10 [ 47.528424] ? find_held_lock+0x2b/0x80 [ 47.529184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.530167] ? static_key_count+0x60/0x80 [ 47.530938] prctl_set_seccomp+0x4e/0x70 [ 47.531716] __do_sys_prctl+0xe6c/0x1d70 [ 47.532501] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.533377] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.534362] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.535329] ? irqentry_exit+0xf3/0x650 [ 47.536067] do_syscall_64+0xbf/0x430 [ 47.536817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.537780] RIP: 0033:0x7fb3aa8d75cd [ 47.538492] 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 [ 47.541686] RSP: 002b:00007fff2f44fe30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.543068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3aa8d75cd [ 47.544374] RDX: 000055b725cc1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.545668] RBP: 00007fff2f44fe90 R08: 0000000000000000 R09: 00007fff2f44f530 [ 47.546971] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b752d04b10 [ 47.548252] R13: 00007fff2f4502c0 R14: 000055b752d052b0 R15: 000055b752d196f0 [ 47.549579] [ 47.550017] irq event stamp: 1889 [ 47.550685] hardirqs last enabled at (1899): [] __up_console_sem+0x78/0x80 [ 47.552264] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 47.553753] softirqs last enabled at (1918): [] handle_softirqs+0x50c/0x770 [ 47.555041] softirqs last disabled at (1907): [] __irq_exit_rcu+0xc4/0x100 [ 47.556292] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.007082] ------------[ cut here ]------------ [ 50.007985] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.009970] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.011387] Modules linked in: [ 50.011962] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.013904] Tainted: [W]=WARN [ 50.014496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.016218] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.017077] 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 [ 50.020313] RSP: 0018:ffff88801684fbc0 EFLAGS: 00010286 [ 50.021299] RAX: 0000000000000000 RBX: ffffed1002d09f78 RCX: ffffffff813a4050 [ 50.022579] RDX: ffff8880154d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.023831] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d09f2f [ 50.025092] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.026402] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801684fdf8 [ 50.027666] FS: 00007fc84e433900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.029075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.030145] CR2: 00007fc84e925580 CR3: 000000000e663000 CR4: 0000000000350ef0 [ 50.031444] Call Trace: [ 50.031898] [ 50.032350] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.033233] ? __create_object+0x59/0x80 [ 50.033974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.034929] __vmalloc_noprof+0x59/0x60 [ 50.035678] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.036550] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.037481] bpf_prog_alloc+0x39/0x200 [ 50.038219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.039141] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.039982] do_seccomp+0x349/0x25e0 [ 50.040706] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.041622] ? __pfx_do_seccomp+0x10/0x10 [ 50.042405] ? find_held_lock+0x2b/0x80 [ 50.043159] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.044073] ? static_key_count+0x60/0x80 [ 50.044866] prctl_set_seccomp+0x4e/0x70 [ 50.045641] __do_sys_prctl+0xe6c/0x1d70 [ 50.046427] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.047277] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.048233] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.049195] ? irqentry_exit+0xf3/0x650 [ 50.049930] do_syscall_64+0xbf/0x430 [ 50.050661] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.051608] RIP: 0033:0x7fc84e9255cd [ 50.052306] 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 [ 50.055455] RSP: 002b:00007ffdfd713690 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.056812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc84e9255cd [ 50.058092] RDX: 000055a079a1fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.059405] RBP: 00007ffdfd7136f0 R08: 0000000000000000 R09: 00007ffdfd712d90 [ 50.060668] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a097792ad0 [ 50.061960] R13: 00007ffdfd713b20 R14: 000055a097793bc0 R15: 000055a0977a4780 [ 50.063081] [ 50.063470] irq event stamp: 1821 [ 50.063972] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 50.065229] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 50.066495] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 50.067774] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 50.069027] ---[ end trace 0000000000000000 ]--- [ 50.741954] ------------[ cut here ]------------ [ 50.742421] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.743404] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.744068] Modules linked in: [ 50.744366] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.745300] Tainted: [W]=WARN [ 50.745577] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.746277] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.746687] 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 [ 50.748368] RSP: 0018:ffff88801a39fbc0 EFLAGS: 00010286 [ 50.748810] RAX: 0000000000000000 RBX: ffffed1003473f78 RCX: ffffffff813a4050 [ 50.749424] RDX: ffff88800f733780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.750023] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003473f2f [ 50.750633] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.751234] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a39fdf8 [ 50.751816] FS: 00007f08e821f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.752496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.752975] CR2: 00007ffe4ef11ef7 CR3: 000000000cd0e000 CR4: 0000000000350ef0 [ 50.753583] Call Trace: [ 50.753800] [ 50.753996] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.754423] ? __create_object+0x59/0x80 [ 50.754775] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.755226] __vmalloc_noprof+0x59/0x60 [ 50.755561] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.755949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.756386] bpf_prog_alloc+0x39/0x200 [ 50.756707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.757142] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.757549] do_seccomp+0x349/0x25e0 [ 50.757860] ? find_held_lock+0x2b/0x80 [ 50.758213] ? do_prlimit+0x310/0x610 [ 50.758541] ? __pfx_do_seccomp+0x10/0x10 [ 50.758888] ? do_raw_spin_unlock+0x53/0x220 [ 50.759283] ? _raw_spin_unlock+0x1e/0x40 [ 50.759625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.760052] ? static_key_count+0x60/0x80 [ 50.760422] prctl_set_seccomp+0x4e/0x70 [ 50.760763] __do_sys_prctl+0xe6c/0x1d70 [ 50.761128] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.761516] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.761941] ? irqentry_exit+0xf3/0x650 [ 50.762298] do_syscall_64+0xbf/0x430 [ 50.762623] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.763043] RIP: 0033:0x7f08e87115cd [ 50.763367] 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 [ 50.764840] RSP: 002b:00007ffe4ef10a30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.765481] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08e87115cd [ 50.766058] RDX: 000055f3f6297e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.766661] RBP: 00007ffe4ef10a90 R08: 0000000000000000 R09: 00007ffe4ef10130 [ 50.767254] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f41d9d72b0 [ 50.767831] R13: 00007ffe4ef10ec0 R14: 000055f41d9d9d20 R15: 000055f41d9eb8d0 [ 50.768441] [ 50.768641] irq event stamp: 1721 [ 50.768922] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 50.769642] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 50.770351] softirqs last enabled at (1314): [] handle_softirqs+0x50c/0x770 [ 50.771052] softirqs last disabled at (1295): [] __irq_exit_rcu+0xc4/0x100 [ 50.771757] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24922' (ECDSA) to the list of known hosts. 2025/11/18 10:28:46 fuzzer started 2025/11/18 10:28:46 dialing manager at localhost:34383 2025/11/18 10:28:46 checking machine... 2025/11/18 10:28:46 checking revisions... [ 51.601695] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:28:46 testing simple program... [ 51.686562] cgroup: Unknown subsys name 'net' [ 51.778449] cgroup: Unknown subsys name 'cpuset' [ 51.794576] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:28:46 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=0000000000000200 RCX=0000000000000000 RDX=0000000000000008 RSI=ffff88801bd50a58 RDI=ffff88801bd50000 RBP=ffff88801bd50000 RSP=ffff88801a1f7348 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000000 R14=ffff88801bd50a58 R15=0000000000000005 RIP=ffffffff81526594 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 00007fc84e433900 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=00007fc84e3fd008 CR3=00000000205fe000 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=0000000000025d77 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f91d3ca2338 CR3=0000000016585000 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=1eeaf765c50addbe2b418d3f4740dd9d XMM02=0000000000302608eff9b2d0a8fce9cb XMM03=00000000003026d82c67c8bc2e329bc3 XMM04=19bc16a94f43257e00000000000ae988 XMM05=d96330e2d2db8632000000000031d4c8 XMM06=3dfac1f6493bd2e40000000000317700 XMM07=e042d86d42eb936e000000000030dcf8 XMM08=845d66217036c35b00000000003026d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000