[ 39.146903] ------------[ cut here ]------------ [ 39.147813] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.149862] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.151297] Modules linked in: [ 39.151881] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.153822] Tainted: [W]=WARN [ 39.154413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.155849] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.156762] 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 [ 39.159866] RSP: 0018:ffff8880172afbc0 EFLAGS: 00010286 [ 39.160828] RAX: 0000000000000000 RBX: ffffed1002e55f78 RCX: ffffffff813a4050 [ 39.162105] RDX: ffff888015d60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.163372] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e55f2f [ 39.164644] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.165912] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172afdf8 [ 39.167164] FS: 00007f90258ca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.168582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.169629] CR2: 00007ffce1313ef8 CR3: 0000000009b86000 CR4: 0000000000350ef0 [ 39.170915] Call Trace: [ 39.171412] [ 39.171819] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.172696] ? __create_object+0x59/0x80 [ 39.173468] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.174425] __vmalloc_noprof+0x59/0x60 [ 39.175172] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.175990] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.176901] bpf_prog_alloc+0x39/0x200 [ 39.177632] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.178551] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.179450] do_seccomp+0x349/0x25e0 [ 39.180141] ? find_held_lock+0x2b/0x80 [ 39.180844] ? do_prlimit+0x310/0x610 [ 39.181573] ? __pfx_do_seccomp+0x10/0x10 [ 39.182347] ? do_raw_spin_unlock+0x53/0x220 [ 39.183164] ? _raw_spin_unlock+0x1e/0x40 [ 39.183892] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.184827] ? static_key_count+0x60/0x80 [ 39.185619] prctl_set_seccomp+0x4e/0x70 [ 39.186621] __do_sys_prctl+0xe6c/0x1d70 [ 39.187466] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.188349] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.189362] ? irqentry_exit+0xf3/0x650 [ 39.190154] do_syscall_64+0xbf/0x430 [ 39.190841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.191794] RIP: 0033:0x7f9025dbc5cd [ 39.192513] 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 [ 39.195681] RSP: 002b:00007ffce1311780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.197044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9025dbc5cd [ 39.198350] RDX: 000055e72558ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.199633] RBP: 00007ffce13117e0 R08: 0000000000000000 R09: 00007ffce1310e80 [ 39.200919] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e749efd240 [ 39.202217] R13: 00007ffce1311c10 R14: 000055e749f06380 R15: 000055e749f11540 [ 39.203510] [ 39.203942] irq event stamp: 1733 [ 39.204600] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.206142] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.207677] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 39.209216] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 39.210654] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.148170] ------------[ cut here ]------------ [ 42.149039] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.151129] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.152552] Modules linked in: [ 42.153180] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.155188] Tainted: [W]=WARN [ 42.155735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.157219] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.158145] 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 [ 42.161343] RSP: 0018:ffff888018bd7bc0 EFLAGS: 00010286 [ 42.162341] RAX: 0000000000000000 RBX: ffffed100317af78 RCX: ffffffff813a4050 [ 42.163644] RDX: ffff888019d93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.164943] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100317af2f [ 42.166250] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.167560] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bd7df8 [ 42.168865] FS: 00007fa03f941900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.170335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.171431] CR2: 00007fa03fe33580 CR3: 000000001f0af000 CR4: 0000000000350ef0 [ 42.172715] Call Trace: [ 42.173230] [ 42.173648] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.174558] ? __create_object+0x59/0x80 [ 42.175342] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.176381] __vmalloc_noprof+0x59/0x60 [ 42.177231] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.178061] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.178996] bpf_prog_alloc+0x39/0x200 [ 42.179735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.180671] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.181585] do_seccomp+0x349/0x25e0 [ 42.182330] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.183251] ? __pfx_do_seccomp+0x10/0x10 [ 42.184010] ? find_held_lock+0x2b/0x80 [ 42.184780] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.185746] ? static_key_count+0x60/0x80 [ 42.186563] prctl_set_seccomp+0x4e/0x70 [ 42.187343] __do_sys_prctl+0xe6c/0x1d70 [ 42.188125] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.188934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.189914] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.190889] ? irqentry_exit+0xf3/0x650 [ 42.191657] do_syscall_64+0xbf/0x430 [ 42.192407] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.193387] RIP: 0033:0x7fa03fe335cd [ 42.194066] 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 [ 42.198535] RSP: 002b:00007ffdd2ce9bc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.201717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa03fe335cd [ 42.203167] RDX: 000056099ec3be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.204513] RBP: 00007ffdd2ce9c20 R08: 0000000000000000 R09: 00007ffdd2ce92c0 [ 42.205824] R10: 0000000000000000 R11: 0000000000000246 R12: 00005609c07c62b0 [ 42.207121] R13: 00007ffdd2cea050 R14: 00005609c07c8d20 R15: 00005609c07da8d0 [ 42.208440] [ 42.208869] irq event stamp: 2025 [ 42.209514] hardirqs last enabled at (2035): [] __up_console_sem+0x78/0x80 [ 42.211102] hardirqs last disabled at (2044): [] __up_console_sem+0x5d/0x80 [ 42.212646] softirqs last enabled at (1974): [] handle_softirqs+0x50c/0x770 [ 42.214226] softirqs last disabled at (1969): [] __irq_exit_rcu+0xc4/0x100 [ 42.215621] ---[ end trace 0000000000000000 ]--- [ 43.110317] ------------[ cut here ]------------ [ 43.111041] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.112693] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.113940] Modules linked in: [ 43.114476] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.116820] Tainted: [W]=WARN [ 43.117350] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.118591] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.119365] 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 [ 43.122050] RSP: 0018:ffff88800f4b7bc0 EFLAGS: 00010286 [ 43.122873] RAX: 0000000000000000 RBX: ffffed1001e96f78 RCX: ffffffff813a4050 [ 43.124096] RDX: ffff888013ecb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.125185] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e96f2f [ 43.126288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.127372] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f4b7df8 [ 43.128445] FS: 00007f345e55f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.129637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.130560] CR2: 00007fffb9f14ef8 CR3: 000000000dec9000 CR4: 0000000000350ef0 [ 43.131641] Call Trace: [ 43.132037] [ 43.132444] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.133227] ? __create_object+0x59/0x80 [ 43.133857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.134726] __vmalloc_noprof+0x59/0x60 [ 43.135391] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.136150] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.136920] bpf_prog_alloc+0x39/0x200 [ 43.137573] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.138404] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.139184] do_seccomp+0x349/0x25e0 [ 43.139772] ? find_held_lock+0x2b/0x80 [ 43.140437] ? do_prlimit+0x310/0x610 [ 43.141036] ? __pfx_do_seccomp+0x10/0x10 [ 43.141716] ? do_raw_spin_unlock+0x53/0x220 [ 43.142473] ? _raw_spin_unlock+0x1e/0x40 [ 43.143160] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.143961] ? static_key_count+0x60/0x80 [ 43.144665] prctl_set_seccomp+0x4e/0x70 [ 43.145344] __do_sys_prctl+0xe6c/0x1d70 [ 43.145989] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.146754] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.147618] ? irqentry_exit+0xf3/0x650 [ 43.148292] do_syscall_64+0xbf/0x430 [ 43.148893] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.149724] RIP: 0033:0x7f345ea515cd [ 43.150356] 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 [ 43.153109] RSP: 002b:00007fffb9f12310 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.154332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f345ea515cd [ 43.155465] RDX: 00005576e508ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.156614] RBP: 00007fffb9f12370 R08: 0000000000000000 R09: 00007fffb9f11a10 [ 43.157816] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576ef3d1ad0 [ 43.158977] R13: 00007fffb9f127a0 R14: 00005576ef3d2bc0 R15: 00005576ef3e3780 [ 43.160125] [ 43.160496] irq event stamp: 2499 [ 43.161023] hardirqs last enabled at (2507): [] __up_console_sem+0x78/0x80 [ 43.162368] hardirqs last disabled at (2516): [] __up_console_sem+0x5d/0x80 [ 43.163713] softirqs last enabled at (2468): [] handle_softirqs+0x50c/0x770 [ 43.165073] softirqs last disabled at (2453): [] __irq_exit_rcu+0xc4/0x100 [ 43.166447] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15729' (ECDSA) to the list of known hosts. 2025/11/18 15:39:18 fuzzer started 2025/11/18 15:39:19 dialing manager at localhost:34383 2025/11/18 15:39:19 checking machine... 2025/11/18 15:39:19 checking revisions... [ 44.129944] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:39:19 testing simple program... [ 44.214656] cgroup: Unknown subsys name 'net' [ 44.283761] cgroup: Unknown subsys name 'cpuset' [ 44.297197] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:39:18 Registers: info registers vcpu 0 RAX=fffffffffaeff06c RBX=ffffffff866d7b88 RCX=ffffffff815d6c97 RDX=0000000000000000 RSI=ffffffff86a43262 RDI=ffffffff866d7b88 RBP=ffffffff866d7b88 RSP=ffff888009627758 R8 =ffffffff86a43262 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000011d7b R12=ffffffff866d7b8c R13=ffffffff866d7b88 R14=ffffffff866d7b88 R15=dffffc0000000000 RIP=ffffffff8135dac3 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa03f8f501c CR3=000000000e759000 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=2038313a39333a353120383120766f4e XMM01=657463656e6e6f63736944203a5d3234 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3234325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037313a39333a3531203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000009b RBX=ffff88800ed8d340 RCX=0000000000000100 RDX=0000000000000008 RSI=ffff88800ed8de38 RDI=ffff88800ed8de10 RBP=ffff88800ed8dd98 RSP=ffff888017977788 R8 =0000000000000004 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800ed8de38 R13=8614a434ca7d09a5 R14=0000000000000001 R15=0000000000000004 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007f7bf30f9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005609c0826000 CR3=000000000d357000 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=7b7e12e12cbd1557581b970c18aa7b3c XMM02=23a5200cd47c8330a7e41642e336309e XMM03=842c93d9e77ce6243698958fa50be321 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=0e0d0c0f0a09080b0605040702010003 XMM08=01000000000000000000000000000001 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000