[ 39.665137] ------------[ cut here ]------------ [ 39.666193] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.668453] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.670126] Modules linked in: [ 39.670830] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.673051] Tainted: [W]=WARN [ 39.673666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.675284] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.676283] 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 [ 39.679782] RSP: 0018:ffff8880177d7bc0 EFLAGS: 00010286 [ 39.680869] RAX: 0000000000000000 RBX: ffffed1002efaf78 RCX: ffffffff813a4050 [ 39.682277] RDX: ffff88801a298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.683694] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002efaf2f [ 39.685135] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.686540] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177d7df8 [ 39.687940] FS: 00007f2237dac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.689519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.690671] CR2: 00007ffe95b39ef7 CR3: 000000000d24a000 CR4: 0000000000350ef0 [ 39.692072] Call Trace: [ 39.692588] [ 39.693077] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.694049] ? __create_object+0x59/0x80 [ 39.694904] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.695968] __vmalloc_noprof+0x59/0x60 [ 39.696808] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.697702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.698749] bpf_prog_alloc+0x39/0x200 [ 39.699504] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.700519] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.701492] do_seccomp+0x349/0x25e0 [ 39.702271] ? find_held_lock+0x2b/0x80 [ 39.703087] ? do_prlimit+0x310/0x610 [ 39.703892] ? __pfx_do_seccomp+0x10/0x10 [ 39.704703] ? do_raw_spin_unlock+0x53/0x220 [ 39.705604] ? _raw_spin_unlock+0x1e/0x40 [ 39.706465] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.707512] ? static_key_count+0x60/0x80 [ 39.708381] prctl_set_seccomp+0x4e/0x70 [ 39.709231] __do_sys_prctl+0xe6c/0x1d70 [ 39.710067] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.710990] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.712036] ? irqentry_exit+0xf3/0x650 [ 39.712872] do_syscall_64+0xbf/0x430 [ 39.713617] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.714642] RIP: 0033:0x7f223829e5cd [ 39.715403] 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 [ 39.718816] RSP: 002b:00007ffe95b38100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.720283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f223829e5cd [ 39.721662] RDX: 00005597fe237e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.723029] RBP: 00007ffe95b38160 R08: 0000000000000000 R09: 00007ffe95b37800 [ 39.724388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559830dd92b0 [ 39.725775] R13: 00007ffe95b38590 R14: 0000559830ddbd20 R15: 0000559830ded8d0 [ 39.727164] [ 39.727617] irq event stamp: 1765 [ 39.728303] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.729934] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.731542] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 39.733147] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.734558] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.166231] ------------[ cut here ]------------ [ 43.167080] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.168985] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 43.170314] Modules linked in: [ 43.170893] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.172750] Tainted: [W]=WARN [ 43.173262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.174634] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.175471] 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 [ 43.178426] RSP: 0018:ffff88800a4afbc0 EFLAGS: 00010286 [ 43.179341] RAX: 0000000000000000 RBX: ffffed1001495f78 RCX: ffffffff813a4050 [ 43.180551] RDX: ffff888015a4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.181754] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001495f2f [ 43.182954] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.184146] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a4afdf8 [ 43.185363] FS: 00007f3d399b0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.186729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.187697] CR2: 00007ffd09e7aef7 CR3: 000000000d3a9000 CR4: 0000000000350ef0 [ 43.188956] Call Trace: [ 43.189393] [ 43.189820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.190628] ? __create_object+0x59/0x80 [ 43.191399] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.192331] __vmalloc_noprof+0x59/0x60 [ 43.193083] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.193938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.194844] bpf_prog_alloc+0x39/0x200 [ 43.195524] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.196424] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.197313] do_seccomp+0x349/0x25e0 [ 43.198000] ? find_held_lock+0x2b/0x80 [ 43.198694] ? do_prlimit+0x310/0x610 [ 43.199418] ? __pfx_do_seccomp+0x10/0x10 [ 43.200186] ? do_raw_spin_unlock+0x53/0x220 [ 43.200999] ? _raw_spin_unlock+0x1e/0x40 [ 43.201759] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.202655] ? static_key_count+0x60/0x80 [ 43.203444] prctl_set_seccomp+0x4e/0x70 [ 43.204202] __do_sys_prctl+0xe6c/0x1d70 [ 43.204893] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.205574] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.206365] ? irqentry_exit+0xf3/0x650 [ 43.206981] do_syscall_64+0xbf/0x430 [ 43.207550] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.208328] RIP: 0033:0x7f3d39ea25cd [ 43.208908] 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 [ 43.211506] RSP: 002b:00007ffd09e78eb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.212643] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d39ea25cd [ 43.213734] RDX: 000056408151be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.214793] RBP: 00007ffd09e78f10 R08: 0000000000000000 R09: 00007ffd09e785b0 [ 43.215859] R10: 0000000000000000 R11: 0000000000000246 R12: 00005640985662b0 [ 43.216929] R13: 00007ffd09e79340 R14: 0000564098568d20 R15: 000056409857a8d0 [ 43.218012] [ 43.218375] irq event stamp: 1695 [ 43.218905] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 43.220180] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 43.221476] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 43.222779] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 43.224055] ---[ end trace 0000000000000000 ]--- [ 44.023683] ------------[ cut here ]------------ [ 44.024619] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.026661] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 44.028140] Modules linked in: [ 44.028793] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 44.030838] Tainted: [W]=WARN [ 44.031398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.032898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.033807] 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 [ 44.037013] RSP: 0018:ffff88801c47fbc0 EFLAGS: 00010286 [ 44.037992] RAX: 0000000000000000 RBX: ffffed100388ff78 RCX: ffffffff813a4050 [ 44.039275] RDX: ffff88800f470000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.040583] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100388ff2f [ 44.041869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.043152] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c47fdf8 [ 44.044438] FS: 00007f947868d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.045902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.046969] CR2: 00007ffcd3ac0ef7 CR3: 000000000aad8000 CR4: 0000000000350ef0 [ 44.048258] Call Trace: [ 44.048785] [ 44.049201] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.050106] ? __create_object+0x59/0x80 [ 44.050886] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.051857] __vmalloc_noprof+0x59/0x60 [ 44.052591] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.053468] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.054404] bpf_prog_alloc+0x39/0x200 [ 44.055147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.056080] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.056994] do_seccomp+0x349/0x25e0 [ 44.057673] ? find_held_lock+0x2b/0x80 [ 44.058434] ? do_prlimit+0x310/0x610 [ 44.059180] ? __pfx_do_seccomp+0x10/0x10 [ 44.059964] ? do_raw_spin_unlock+0x53/0x220 [ 44.060805] ? _raw_spin_unlock+0x1e/0x40 [ 44.061546] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.062510] ? static_key_count+0x60/0x80 [ 44.063311] prctl_set_seccomp+0x4e/0x70 [ 44.064085] __do_sys_prctl+0xe6c/0x1d70 [ 44.064877] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.065695] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.066673] ? irqentry_exit+0xf3/0x650 [ 44.067442] do_syscall_64+0xbf/0x430 [ 44.068179] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.069147] RIP: 0033:0x7f9478b7f5cd [ 44.069850] 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 [ 44.073066] RSP: 002b:00007ffcd3abf520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.074484] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9478b7f5cd [ 44.075818] RDX: 0000556cb27c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.077172] RBP: 00007ffcd3abf580 R08: 0000000000000000 R09: 00007ffcd3abec20 [ 44.078509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556cdfe3ead0 [ 44.079846] R13: 00007ffcd3abf9b0 R14: 0000556cdfe3fbc0 R15: 0000556cdfe50780 [ 44.081218] [ 44.081659] irq event stamp: 1809 [ 44.082329] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 44.083917] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 44.085511] softirqs last enabled at (1328): [] handle_softirqs+0x50c/0x770 [ 44.087124] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 44.088735] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36307' (ECDSA) to the list of known hosts. 2025/11/18 05:40:03 fuzzer started 2025/11/18 05:40:03 dialing manager at localhost:37895 2025/11/18 05:40:03 checking machine... 2025/11/18 05:40:03 checking revisions... [ 44.972868] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:40:03 testing simple program... [ 45.062749] cgroup: Unknown subsys name 'net' [ 45.135413] cgroup: Unknown subsys name 'cpuset' [ 45.165093] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:40:02 Registers: info registers vcpu 0 RAX=00000000f3196212 RBX=00000000bf09f95f RCX=00000000ae93becf RDX=000000000000000b RSI=ffff888017b1f814 RDI=0000000000000013 RBP=0000000000000000 RSP=ffff888017b1f7a0 R8 =00000000ae93becf R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffff888017b1f808 R15=000000000000000b RIP=ffffffff826423f2 RFL=00000a97 [-OS-APC] 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 00007f3d399b0900 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=00007f3d3998f020 CR3=000000001f41c000 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=0000000000029217 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe4dd0e978 CR3=000000000d084000 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=1749440c5335fba8d8453a4f60e0eac2 XMM02=ec2efd57dc4c00df0000000000303bf8 XMM03=a2d62623eba179140000000000303cc8 XMM04=83ff752216f6081300000000000ae988 XMM05=14648eaa1277bab10000000000320d10 XMM06=817b8945e9d503730000000000320b98 XMM07=e042d86d42eb936e0000000000311418 XMM08=a2d62623eba179140000000000303cc8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000