[ 46.628843] ------------[ cut here ]------------ [ 46.629767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.631820] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.633272] Modules linked in: [ 46.633858] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.635812] Tainted: [W]=WARN [ 46.636392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.637870] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.638772] 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 [ 46.641922] RSP: 0018:ffff8880158b7bc0 EFLAGS: 00010286 [ 46.642893] RAX: 0000000000000000 RBX: ffffed1002b16f78 RCX: ffffffff813a4050 [ 46.644167] RDX: ffff888015a1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.645453] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b16f2f [ 46.646718] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.647978] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158b7df8 [ 46.649269] FS: 00007f8113b5c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.650770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.651844] CR2: 00007ffc335f4ef7 CR3: 000000000e89b000 CR4: 0000000000350ef0 [ 46.653156] Call Trace: [ 46.653669] [ 46.654087] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.654996] ? __create_object+0x59/0x80 [ 46.655794] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.656797] __vmalloc_noprof+0x59/0x60 [ 46.657595] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.658491] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.659445] bpf_prog_alloc+0x39/0x200 [ 46.660160] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.661133] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.662081] do_seccomp+0x349/0x25e0 [ 46.662823] ? find_held_lock+0x2b/0x80 [ 46.663608] ? do_prlimit+0x310/0x610 [ 46.664373] ? __pfx_do_seccomp+0x10/0x10 [ 46.665155] ? do_raw_spin_unlock+0x53/0x220 [ 46.666015] ? _raw_spin_unlock+0x1e/0x40 [ 46.666821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.667822] ? static_key_count+0x60/0x80 [ 46.668651] prctl_set_seccomp+0x4e/0x70 [ 46.669460] __do_sys_prctl+0xe6c/0x1d70 [ 46.670223] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.671113] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.672110] ? irqentry_exit+0xf3/0x650 [ 46.672890] do_syscall_64+0xbf/0x430 [ 46.673662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.674642] RIP: 0033:0x7f811404e5cd [ 46.675362] 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 [ 46.678701] RSP: 002b:00007ffc335f36b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.680119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f811404e5cd [ 46.681493] RDX: 000055a18433fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.682617] RBP: 00007ffc335f3710 R08: 0000000000000000 R09: 00007ffc335f2db0 [ 46.683712] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a1851f42b0 [ 46.684782] R13: 00007ffc335f3b40 R14: 000055a1851f6d20 R15: 000055a1852088d0 [ 46.685862] [ 46.686210] irq event stamp: 1711 [ 46.686741] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 46.687996] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 46.689275] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 46.690557] softirqs last disabled at (1645): [] __irq_exit_rcu+0xc4/0x100 [ 46.691869] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.426052] ------------[ cut here ]------------ [ 49.427048] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.429337] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.431084] Modules linked in: [ 49.431809] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.433984] Tainted: [W]=WARN [ 49.434639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.436266] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.437288] 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 [ 49.440715] RSP: 0018:ffff88801697fbc0 EFLAGS: 00010286 [ 49.441808] RAX: 0000000000000000 RBX: ffffed1002d2ff78 RCX: ffffffff813a4050 [ 49.443199] RDX: ffff88801b4c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.444594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2ff2f [ 49.446010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.447388] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801697fdf8 [ 49.448775] FS: 00007f51265aa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.450360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.451519] CR2: 00007ffda9b7eef7 CR3: 000000000eaa5000 CR4: 0000000000350ef0 [ 49.452919] Call Trace: [ 49.453496] [ 49.453938] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.454908] ? __create_object+0x59/0x80 [ 49.455743] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.456790] __vmalloc_noprof+0x59/0x60 [ 49.457638] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.458603] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.459629] bpf_prog_alloc+0x39/0x200 [ 49.460427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.461457] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.462459] do_seccomp+0x349/0x25e0 [ 49.463199] ? find_held_lock+0x2b/0x80 [ 49.464037] ? do_prlimit+0x310/0x610 [ 49.464846] ? __pfx_do_seccomp+0x10/0x10 [ 49.465737] ? do_raw_spin_unlock+0x53/0x220 [ 49.466639] ? _raw_spin_unlock+0x1e/0x40 [ 49.467507] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.468557] ? static_key_count+0x60/0x80 [ 49.469463] prctl_set_seccomp+0x4e/0x70 [ 49.470313] __do_sys_prctl+0xe6c/0x1d70 [ 49.471114] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.472048] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.473119] ? irqentry_exit+0xf3/0x650 [ 49.473942] do_syscall_64+0xbf/0x430 [ 49.474738] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.475774] RIP: 0033:0x7f5126a9c5cd [ 49.476520] 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 [ 49.479940] RSP: 002b:00007ffda9b7d1d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.481428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5126a9c5cd [ 49.482636] RDX: 000055783c499e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.483769] RBP: 00007ffda9b7d230 R08: 0000000000000000 R09: 00007ffda9b7c8d0 [ 49.484909] R10: 0000000000000000 R11: 0000000000000246 R12: 00005578436e42b0 [ 49.486053] R13: 00007ffda9b7d660 R14: 00005578436e6d20 R15: 00005578436f88d0 [ 49.487203] [ 49.487627] irq event stamp: 1785 [ 49.488162] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 49.489504] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 49.490841] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 49.492193] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 49.493562] ---[ end trace 0000000000000000 ]--- [ 50.134467] ------------[ cut here ]------------ [ 50.134882] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.135840] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.136529] Modules linked in: [ 50.136805] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.137735] Tainted: [W]=WARN [ 50.137993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.138683] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.139088] 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 [ 50.140561] RSP: 0018:ffff88800a9bfbc0 EFLAGS: 00010286 [ 50.140991] RAX: 0000000000000000 RBX: ffffed1001537f78 RCX: ffffffff813a4050 [ 50.141586] RDX: ffff88801593d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.142154] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001537f2f [ 50.142744] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.143339] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a9bfdf8 [ 50.143911] FS: 00007f6fec217900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.144585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.145062] CR2: 00007fffc12e9ef7 CR3: 0000000009fe9000 CR4: 0000000000350ef0 [ 50.145664] Call Trace: [ 50.145878] [ 50.146067] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.146490] ? __create_object+0x59/0x80 [ 50.146835] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.147286] __vmalloc_noprof+0x59/0x60 [ 50.147616] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.147998] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.148436] bpf_prog_alloc+0x39/0x200 [ 50.148754] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.149170] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.149590] do_seccomp+0x349/0x25e0 [ 50.149903] ? find_held_lock+0x2b/0x80 [ 50.150233] ? do_prlimit+0x310/0x610 [ 50.150581] ? __pfx_do_seccomp+0x10/0x10 [ 50.150922] ? do_raw_spin_unlock+0x53/0x220 [ 50.151312] ? _raw_spin_unlock+0x1e/0x40 [ 50.151653] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.152073] ? static_key_count+0x60/0x80 [ 50.152454] prctl_set_seccomp+0x4e/0x70 [ 50.152791] __do_sys_prctl+0xe6c/0x1d70 [ 50.153138] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.153539] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.153968] ? irqentry_exit+0xf3/0x650 [ 50.154320] do_syscall_64+0xbf/0x430 [ 50.154643] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.155060] RIP: 0033:0x7f6fec7095cd [ 50.155381] 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 [ 50.156850] RSP: 002b:00007fffc12e8020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.157496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fec7095cd [ 50.158065] RDX: 0000563ec9c63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.158666] RBP: 00007fffc12e8080 R08: 0000000000000000 R09: 00007fffc12e7720 [ 50.159232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563eeac5cb10 [ 50.159818] R13: 00007fffc12e84b0 R14: 0000563eeac5d2b0 R15: 0000563eeac716f0 [ 50.160420] [ 50.160618] irq event stamp: 1745 [ 50.160896] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 50.161612] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 50.162314] softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 [ 50.162999] softirqs last disabled at (1293): [] __irq_exit_rcu+0xc4/0x100 [ 50.163699] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23029' (ECDSA) to the list of known hosts. 2025/11/17 22:53:40 fuzzer started 2025/11/17 22:53:40 dialing manager at localhost:37895 2025/11/17 22:53:40 checking machine... 2025/11/17 22:53:40 checking revisions... [ 50.932995] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:53:40 testing simple program... [ 51.021922] cgroup: Unknown subsys name 'net' [ 51.105417] cgroup: Unknown subsys name 'cpuset' [ 51.118205] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:53:39 Registers: info registers vcpu 0 RAX=ffffffff81b7829f RBX=ffffffff81618fa0 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1159 RSI=ffffffff85e1ffe0 RDI=ffffffff81b7829f RBP=ffff88806ce08b08 RSP=ffff88806ce08a70 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000027440 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff88800f3d3780 R15=ffff888008c4b780 RIP=ffffffff812dfbfc 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 00007f51265aa900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda9b77000 CR3=000000001f6f8000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000029d91 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=00000202 [-------] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f959a429000 CR3=000000000bc0c000 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=33353a323220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323331 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000