[ 39.341774] ------------[ cut here ]------------ [ 39.342703] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.344746] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.346228] Modules linked in: [ 39.346806] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.348815] Tainted: [W]=WARN [ 39.349423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.350912] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.351830] 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 [ 39.355265] RSP: 0018:ffff88801621fbc0 EFLAGS: 00010286 [ 39.356321] RAX: 0000000000000000 RBX: ffffed1002c43f78 RCX: ffffffff813a4050 [ 39.357628] RDX: ffff888018cc1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.358919] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c43f2f [ 39.360208] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.361513] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801621fdf8 [ 39.362805] FS: 00007f7e337b1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.364259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.365334] CR2: 00007f7e33ca3580 CR3: 000000000e362000 CR4: 0000000000350ef0 [ 39.366641] Call Trace: [ 39.367166] [ 39.367580] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.368487] ? __create_object+0x59/0x80 [ 39.369260] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.370255] __vmalloc_noprof+0x59/0x60 [ 39.371038] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.371871] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.372797] bpf_prog_alloc+0x39/0x200 [ 39.373547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.374482] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.375395] do_seccomp+0x349/0x25e0 [ 39.376114] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.377038] ? __pfx_do_seccomp+0x10/0x10 [ 39.377801] ? find_held_lock+0x2b/0x80 [ 39.378568] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.379530] ? static_key_count+0x60/0x80 [ 39.380331] prctl_set_seccomp+0x4e/0x70 [ 39.381115] __do_sys_prctl+0xe6c/0x1d70 [ 39.381872] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.382735] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.383708] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.384680] ? irqentry_exit+0xf3/0x650 [ 39.385439] do_syscall_64+0xbf/0x430 [ 39.386198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.387167] RIP: 0033:0x7f7e33ca35cd [ 39.387826] 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 [ 39.391020] RSP: 002b:00007ffdf5cbaa80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.392385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e33ca35cd [ 39.393691] RDX: 000055cd13c3ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.394995] RBP: 00007ffdf5cbaae0 R08: 0000000000000000 R09: 00007ffdf5cba180 [ 39.396290] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd165ee240 [ 39.397590] R13: 00007ffdf5cbaf10 R14: 000055cd165edbf0 R15: 000055cd166024d0 [ 39.398897] [ 39.399370] irq event stamp: 1863 [ 39.400028] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 39.401584] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 39.403102] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 39.404651] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 39.406205] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.101791] ------------[ cut here ]------------ [ 42.102234] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.103180] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.103831] Modules linked in: [ 42.104133] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.105042] Tainted: [W]=WARN [ 42.105297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.105981] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.106375] 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 [ 42.107840] RSP: 0018:ffff8880163bfbc0 EFLAGS: 00010286 [ 42.108290] RAX: 0000000000000000 RBX: ffffed1002c77f78 RCX: ffffffff813a4050 [ 42.108860] RDX: ffff888017a25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.109451] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c77f2f [ 42.110054] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.110623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163bfdf8 [ 42.111217] FS: 00007fccbd791900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.111866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.112361] CR2: 00007fccbdc83580 CR3: 000000000e454000 CR4: 0000000000350ef0 [ 42.112930] Call Trace: [ 42.113167] [ 42.113356] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.113756] ? __create_object+0x59/0x80 [ 42.114121] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.114549] __vmalloc_noprof+0x59/0x60 [ 42.114876] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.115282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.115693] bpf_prog_alloc+0x39/0x200 [ 42.116034] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.116442] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.116835] do_seccomp+0x349/0x25e0 [ 42.117167] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.117568] ? __pfx_do_seccomp+0x10/0x10 [ 42.117910] ? find_held_lock+0x2b/0x80 [ 42.118263] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.118686] ? static_key_count+0x60/0x80 [ 42.119060] prctl_set_seccomp+0x4e/0x70 [ 42.119400] __do_sys_prctl+0xe6c/0x1d70 [ 42.119742] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.120138] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.120563] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.121006] ? irqentry_exit+0xf3/0x650 [ 42.121338] do_syscall_64+0xbf/0x430 [ 42.121662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.122108] RIP: 0033:0x7fccbdc835cd [ 42.122416] 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 [ 42.123875] RSP: 002b:00007ffd5656ceb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.124508] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccbdc835cd [ 42.125101] RDX: 00005557bd00ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.125675] RBP: 00007ffd5656cf10 R08: 0000000000000000 R09: 00007ffd5656c5b0 [ 42.126266] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557ef52a2b0 [ 42.126839] R13: 00007ffd5656d340 R14: 00005557ef52cd20 R15: 00005557ef53e8d0 [ 42.127437] [ 42.127633] irq event stamp: 1679 [ 42.127910] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 42.128617] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 42.129319] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 42.130040] softirqs last disabled at (1607): [] __irq_exit_rcu+0xc4/0x100 [ 42.130715] ---[ end trace 0000000000000000 ]--- [ 42.822393] ------------[ cut here ]------------ [ 42.823318] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.825343] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.826796] Modules linked in: [ 42.827408] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.829381] Tainted: [W]=WARN [ 42.829946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.831668] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.832657] 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 [ 42.835830] RSP: 0018:ffff888017c47bc0 EFLAGS: 00010286 [ 42.836797] RAX: 0000000000000000 RBX: ffffed1002f88f78 RCX: ffffffff813a4050 [ 42.838095] RDX: ffff888017478000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.839370] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f88f2f [ 42.840640] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.841915] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c47df8 [ 42.843221] FS: 00007f5229714900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.844956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.846093] CR2: 00007f5229c06580 CR3: 0000000020120000 CR4: 0000000000350ef0 [ 42.847371] Call Trace: [ 42.847830] [ 42.848275] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.849172] ? __create_object+0x59/0x80 [ 42.849934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.850899] __vmalloc_noprof+0x59/0x60 [ 42.851783] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.852643] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.853673] bpf_prog_alloc+0x39/0x200 [ 42.854509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.855593] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.856610] do_seccomp+0x349/0x25e0 [ 42.857331] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.858394] ? __pfx_do_seccomp+0x10/0x10 [ 42.859215] ? find_held_lock+0x2b/0x80 [ 42.860039] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.861118] ? static_key_count+0x60/0x80 [ 42.861908] prctl_set_seccomp+0x4e/0x70 [ 42.862848] __do_sys_prctl+0xe6c/0x1d70 [ 42.863642] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.864646] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.865723] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.866830] ? irqentry_exit+0xf3/0x650 [ 42.867597] do_syscall_64+0xbf/0x430 [ 42.868460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.869460] RIP: 0033:0x7f5229c065cd [ 42.870335] 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 [ 42.873711] RSP: 002b:00007fffab44ae80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.875369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5229c065cd [ 42.876663] RDX: 0000556aea226e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.878126] RBP: 00007fffab44aee0 R08: 0000000000000000 R09: 00007fffab44a580 [ 42.879429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556af7c07ad0 [ 42.880830] R13: 00007fffab44b310 R14: 0000556af7c08bc0 R15: 0000556af7c19780 [ 42.882402] [ 42.882844] irq event stamp: 1839 [ 42.883506] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 42.885110] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 42.886670] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 42.888194] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.889719] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47510' (ECDSA) to the list of known hosts. 2025/11/18 07:14:27 fuzzer started 2025/11/18 07:14:27 dialing manager at localhost:37895 2025/11/18 07:14:27 checking machine... 2025/11/18 07:14:27 checking revisions... [ 43.777688] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:14:27 testing simple program... [ 43.878588] cgroup: Unknown subsys name 'net' [ 43.942278] cgroup: Unknown subsys name 'cpuset' [ 43.956454] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:14:26 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffea000075e5f4 RCX=ffffffff81a4dc7e RDX=1ffffd40000ebcbb RSI=ffffffff81a4dc91 RDI=ffffea000075e5c0 RBP=ffffea000075e5c0 RSP=ffff88801651fba0 R8 =0000000000000000 R9 =fffff940000ebcb8 R10=0000000000000001 R11=0000000000000001 R12=ffff88800b047280 R13=ffff88801651fd90 R14=0000000000000001 R15=ffff88801651fd68 RIP=ffffffff818e5544 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fccbd791900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fccbe33c0f0 CR3=000000000dfff000 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=6720646572637465733a4d41503d706f 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=000000000001fdc3 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=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 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fccbdd46650 CR3=000000000e00f000 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=66b26fb5ff2d3aa37441c03bc5e1fe64 XMM02=ec2efd57dc4c00df0000000000305128 XMM03=0b1d864805ce5a4e00000000003051f8 XMM04=bd1ad0d9b8b4849600000000000ae988 XMM05=d7472528a6b3df1b00000000003219e8 XMM06=474038aa6c007e1f0000000000321388 XMM07=e042d86d42eb936e0000000000311ef8 XMM08=0b1d864805ce5a4e00000000003051f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000