[ 47.124128] ------------[ cut here ]------------ [ 47.125054] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.127072] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 47.128528] Modules linked in: [ 47.129167] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.131398] Tainted: [W]=WARN [ 47.132078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.133559] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.134470] 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 [ 47.137661] RSP: 0018:ffff88801895fbc0 EFLAGS: 00010286 [ 47.138638] RAX: 0000000000000000 RBX: ffffed100312bf78 RCX: ffffffff813a4050 [ 47.139956] RDX: ffff88801652b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.141231] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100312bf2f [ 47.142497] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.143801] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801895fdf8 [ 47.145088] FS: 00007f984e565900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.146550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.147652] CR2: 00007f984ea57580 CR3: 000000000dc2f000 CR4: 0000000000350ef0 [ 47.148938] Call Trace: [ 47.149405] [ 47.149847] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.150757] ? __create_object+0x59/0x80 [ 47.151510] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.152478] __vmalloc_noprof+0x59/0x60 [ 47.153230] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.154099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.155047] bpf_prog_alloc+0x39/0x200 [ 47.155791] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.156715] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.157620] do_seccomp+0x349/0x25e0 [ 47.158297] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.159216] ? __pfx_do_seccomp+0x10/0x10 [ 47.160006] ? find_held_lock+0x2b/0x80 [ 47.160764] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.161726] ? static_key_count+0x60/0x80 [ 47.162475] prctl_set_seccomp+0x4e/0x70 [ 47.163251] __do_sys_prctl+0xe6c/0x1d70 [ 47.164048] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.164920] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.165886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.166874] ? irqentry_exit+0xf3/0x650 [ 47.167658] do_syscall_64+0xbf/0x430 [ 47.168360] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.169300] RIP: 0033:0x7f984ea575cd [ 47.170010] 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 [ 47.173191] RSP: 002b:00007ffc499ef940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.174554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f984ea575cd [ 47.175911] RDX: 000055dd86435e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.177210] RBP: 00007ffc499ef9a0 R08: 0000000000000000 R09: 00007ffc499ef040 [ 47.178522] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ddb25fdbf0 [ 47.179808] R13: 00007ffc499efdd0 R14: 000055ddb2607380 R15: 000055ddb2612460 [ 47.181102] [ 47.181524] irq event stamp: 1793 [ 47.182173] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 47.183707] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 47.185222] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 47.186802] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 47.188302] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.896859] ------------[ cut here ]------------ [ 49.897812] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.899831] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.901342] Modules linked in: [ 49.902001] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.904012] Tainted: [W]=WARN [ 49.904612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.906098] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.907027] 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 [ 49.910232] RSP: 0018:ffff888017757bc0 EFLAGS: 00010286 [ 49.911226] RAX: 0000000000000000 RBX: ffffed1002eeaf78 RCX: ffffffff813a4050 [ 49.912520] RDX: ffff88800f840000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.913805] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eeaf2f [ 49.915105] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.916387] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017757df8 [ 49.917662] FS: 00007f61a948d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.919080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.920119] CR2: 00007ffdd1f74ef8 CR3: 000000001fe4b000 CR4: 0000000000350ef0 [ 49.921425] Call Trace: [ 49.921931] [ 49.922337] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.923234] ? __create_object+0x59/0x80 [ 49.924009] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.924961] __vmalloc_noprof+0x59/0x60 [ 49.925711] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.926553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.927509] bpf_prog_alloc+0x39/0x200 [ 49.928256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.929169] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.930080] do_seccomp+0x349/0x25e0 [ 49.930816] ? find_held_lock+0x2b/0x80 [ 49.931528] ? do_prlimit+0x310/0x610 [ 49.932270] ? __pfx_do_seccomp+0x10/0x10 [ 49.933060] ? do_raw_spin_unlock+0x53/0x220 [ 49.933890] ? _raw_spin_unlock+0x1e/0x40 [ 49.934669] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.935663] ? static_key_count+0x60/0x80 [ 49.936416] prctl_set_seccomp+0x4e/0x70 [ 49.937181] __do_sys_prctl+0xe6c/0x1d70 [ 49.937955] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.938820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.939796] ? irqentry_exit+0xf3/0x650 [ 49.940524] do_syscall_64+0xbf/0x430 [ 49.941262] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.942209] RIP: 0033:0x7f61a997f5cd [ 49.942923] 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 [ 49.946060] RSP: 002b:00007ffdd1f726f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.947429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61a997f5cd [ 49.948694] RDX: 000055a79b670e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.949978] RBP: 00007ffdd1f72750 R08: 0000000000000000 R09: 00007ffdd1f71df0 [ 49.951254] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7c6d6fbf0 [ 49.952529] R13: 00007ffdd1f72b80 R14: 000055a7c6d79380 R15: 000055a7c6d84460 [ 49.953815] [ 49.954234] irq event stamp: 1765 [ 49.954890] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 49.956406] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 49.957907] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 49.959463] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 49.960957] ---[ end trace 0000000000000000 ]--- [ 50.527634] ------------[ cut here ]------------ [ 50.528532] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.530658] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.532260] Modules linked in: [ 50.533144] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.535298] Tainted: [W]=WARN [ 50.535916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.537430] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.538373] 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 [ 50.541674] RSP: 0018:ffff888017027bc0 EFLAGS: 00010286 [ 50.542684] RAX: 0000000000000000 RBX: ffffed1002e04f78 RCX: ffffffff813a4050 [ 50.544045] RDX: ffff888014758000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.545378] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e04f2f [ 50.546689] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.548052] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017027df8 [ 50.549399] FS: 00007fe12d69a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.550940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.552043] CR2: 00007ffc10842ef8 CR3: 000000000a1e2000 CR4: 0000000000350ef0 [ 50.553397] Call Trace: [ 50.553927] [ 50.554365] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.555348] ? __create_object+0x59/0x80 [ 50.556175] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.557193] __vmalloc_noprof+0x59/0x60 [ 50.557992] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.558938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.559923] bpf_prog_alloc+0x39/0x200 [ 50.560689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.561645] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.562524] do_seccomp+0x349/0x25e0 [ 50.563279] ? find_held_lock+0x2b/0x80 [ 50.564065] ? do_prlimit+0x310/0x610 [ 50.564838] ? __pfx_do_seccomp+0x10/0x10 [ 50.565647] ? do_raw_spin_unlock+0x53/0x220 [ 50.566461] ? _raw_spin_unlock+0x1e/0x40 [ 50.567306] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.568299] ? static_key_count+0x60/0x80 [ 50.569145] prctl_set_seccomp+0x4e/0x70 [ 50.569934] __do_sys_prctl+0xe6c/0x1d70 [ 50.570756] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.571677] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.572694] ? irqentry_exit+0xf3/0x650 [ 50.573437] do_syscall_64+0xbf/0x430 [ 50.574192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.575207] RIP: 0033:0x7fe12db8c5cd [ 50.575945] 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 [ 50.579304] RSP: 002b:00007ffc108419f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.580737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe12db8c5cd [ 50.582066] RDX: 0000564197e80e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.583440] RBP: 00007ffc10841a50 R08: 0000000000000000 R09: 00007ffc108410f0 [ 50.584674] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641b7cbead0 [ 50.585860] R13: 00007ffc10841e80 R14: 00005641b7cbfbc0 R15: 00005641b7cd0780 [ 50.587098] [ 50.587490] irq event stamp: 1813 [ 50.588096] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 50.589510] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 50.590957] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 50.592307] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 50.593668] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42055' (ECDSA) to the list of known hosts. 2025/11/18 18:06:25 fuzzer started 2025/11/18 18:06:25 dialing manager at localhost:34383 2025/11/18 18:06:25 checking machine... 2025/11/18 18:06:25 checking revisions... [ 51.406745] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:06:25 testing simple program... [ 51.506003] cgroup: Unknown subsys name 'net' [ 51.560624] cgroup: Unknown subsys name 'cpuset' [ 51.575004] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 59.719257] audit: type=1400 audit(1763489194.276:7): avc: denied { execmem } for pid=274 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 18:06:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000200 RCX=ffffffff8136b3c6 RDX=ffff88800f845340 RSI=0000000000000000 RDI=0000000000000007 RBP=ffff88801bcbff58 RSP=ffff88801bcbfea0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000200 R11=0000000000000000 R12=0000000000000007 R13=00007f61a9437008 R14=0000000000000000 R15=ffff888015d29f80 RIP=ffffffff81751e04 RFL=00000006 [-----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f61a948d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f61a9437008 CR3=000000000da6b000 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=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff8880096fc200 RDI=ffff8880096fb780 RBP=ffff8880096fb780 RSP=ffff888009757588 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff8880096fc200 R15=0000000000000003 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efe558cf040 CR3=000000000cf72000 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=00000000000aead06b1e99b806172e3b XMM01=000000000018ba3080f09f19808d26a3 XMM02=000000000018bd702e86c1e8fc577532 XMM03=000000000019bf98ac585006bc0bee6f XMM04=6d23cdbd9d3a932000000000000ae988 XMM05=07c8bb74b6c04a440000000000320068 XMM06=0eb5ec510daf8dce000000000031a0c0 XMM07=e042d86d42eb936e0000000000310680 XMM08=7cee4ea3804644560000000000304e60 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000