[ 46.418466] ------------[ cut here ]------------ [ 46.419384] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.421908] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.423363] Modules linked in: [ 46.424001] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.427368] Tainted: [W]=WARN [ 46.427920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.429494] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.430400] 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 [ 46.433512] RSP: 0018:ffff888019adfbc0 EFLAGS: 00010286 [ 46.434474] RAX: 0000000000000000 RBX: ffffed100335bf78 RCX: ffffffff813a4050 [ 46.435747] RDX: ffff888016325340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.437007] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100335bf2f [ 46.438272] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.439533] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019adfdf8 [ 46.440800] FS: 00007f124bf81900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.442216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.443256] CR2: 00007f124c473580 CR3: 000000001d4e9000 CR4: 0000000000350ef0 [ 46.444520] Call Trace: [ 46.445012] [ 46.445416] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.446301] ? __create_object+0x59/0x80 [ 46.447073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.448049] __vmalloc_noprof+0x59/0x60 [ 46.448746] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.449600] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.450513] bpf_prog_alloc+0x39/0x200 [ 46.451233] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.452153] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.453042] do_seccomp+0x349/0x25e0 [ 46.453698] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.454583] ? __pfx_do_seccomp+0x10/0x10 [ 46.455361] ? find_held_lock+0x2b/0x80 [ 46.456119] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.457061] ? static_key_count+0x60/0x80 [ 46.457802] prctl_set_seccomp+0x4e/0x70 [ 46.458566] __do_sys_prctl+0xe6c/0x1d70 [ 46.459338] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.460183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.461126] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.462067] ? irqentry_exit+0xf3/0x650 [ 46.462769] do_syscall_64+0xbf/0x430 [ 46.463492] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.464456] RIP: 0033:0x7f124c4735cd [ 46.465156] 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 [ 46.468270] RSP: 002b:00007ffe24200ef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.469605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f124c4735cd [ 46.470870] RDX: 0000557cdc8b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.472146] RBP: 00007ffe24200f50 R08: 0000000000000000 R09: 00007ffe242005f0 [ 46.473395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557cf2141b10 [ 46.474639] R13: 00007ffe24201380 R14: 0000557cf21422b0 R15: 0000557cf21566f0 [ 46.475912] [ 46.476365] irq event stamp: 2071 [ 46.476990] hardirqs last enabled at (2081): [] __up_console_sem+0x78/0x80 [ 46.478492] hardirqs last disabled at (2106): [] __up_console_sem+0x5d/0x80 [ 46.479995] softirqs last enabled at (2104): [] handle_softirqs+0x50c/0x770 [ 46.481511] softirqs last disabled at (2089): [] __irq_exit_rcu+0xc4/0x100 [ 46.482996] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.181701] ------------[ cut here ]------------ [ 49.182117] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.183053] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.183662] Modules linked in: [ 49.183915] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.184752] Tainted: [W]=WARN [ 49.185005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.185609] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.185995] 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 [ 49.187670] RSP: 0018:ffff888016a27bc0 EFLAGS: 00010286 [ 49.188199] RAX: 0000000000000000 RBX: ffffed1002d44f78 RCX: ffffffff813a4050 [ 49.188725] RDX: ffff888018b48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.189388] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100d9c4849 [ 49.189913] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.190566] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a27df8 [ 49.191242] FS: 00007fea8b36e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.191842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.192435] CR2: 00007fff41229ef7 CR3: 000000000e395000 CR4: 0000000000350ef0 [ 49.193092] Call Trace: [ 49.193290] [ 49.193463] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.193825] ? __create_object+0x59/0x80 [ 49.194280] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.194674] __vmalloc_noprof+0x59/0x60 [ 49.195102] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.195456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.195840] bpf_prog_alloc+0x39/0x200 [ 49.196275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.196652] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.197124] do_seccomp+0x349/0x25e0 [ 49.197631] ? find_held_lock+0x2b/0x80 [ 49.198064] ? do_prlimit+0x310/0x610 [ 49.198363] ? __pfx_do_seccomp+0x10/0x10 [ 49.198677] ? do_raw_spin_unlock+0x53/0x220 [ 49.199081] ? _raw_spin_unlock+0x1e/0x40 [ 49.199395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.199792] ? static_key_count+0x60/0x80 [ 49.200133] prctl_set_seccomp+0x4e/0x70 [ 49.200444] __do_sys_prctl+0xe6c/0x1d70 [ 49.200757] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.201119] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.201512] ? irqentry_exit+0xf3/0x650 [ 49.201823] do_syscall_64+0xbf/0x430 [ 49.202137] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.202521] RIP: 0033:0x7fea8b8605cd [ 49.202799] 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 [ 49.204142] RSP: 002b:00007fff41228ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.204699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea8b8605cd [ 49.205239] RDX: 000055945abb4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.205776] RBP: 00007fff41228b40 R08: 0000000000000000 R09: 00007fff412281e0 [ 49.206325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559460e38b10 [ 49.206852] R13: 00007fff41228f70 R14: 0000559460e392b0 R15: 0000559460e4d6f0 [ 49.207400] [ 49.207588] irq event stamp: 4061 [ 49.207845] hardirqs last enabled at (4069): [] __up_console_sem+0x78/0x80 [ 49.208488] hardirqs last disabled at (4078): [] __up_console_sem+0x5d/0x80 [ 49.209127] softirqs last enabled at (3886): [] handle_softirqs+0x50c/0x770 [ 49.209761] softirqs last disabled at (3863): [] __irq_exit_rcu+0xc4/0x100 [ 49.210404] ---[ end trace 0000000000000000 ]--- [ 49.912582] ------------[ cut here ]------------ [ 49.913502] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.915452] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.916913] Modules linked in: [ 49.917530] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.919432] Tainted: [W]=WARN [ 49.920013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.921410] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.922309] 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 [ 49.925347] RSP: 0018:ffff888017117bc0 EFLAGS: 00010286 [ 49.926311] RAX: 0000000000000000 RBX: ffffed1002e22f78 RCX: ffffffff813a4050 [ 49.927591] RDX: ffff888019d3d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.928855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e22f2f [ 49.930123] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.931388] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017117df8 [ 49.932687] FS: 00007f4229107900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.934111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.935154] CR2: 00007fff48c8bef7 CR3: 000000000d0bf000 CR4: 0000000000350ef0 [ 49.936425] Call Trace: [ 49.936880] [ 49.937333] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.938202] ? __create_object+0x59/0x80 [ 49.938929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.939890] __vmalloc_noprof+0x59/0x60 [ 49.940643] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.941511] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.942476] bpf_prog_alloc+0x39/0x200 [ 49.943211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.944129] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.945032] do_seccomp+0x349/0x25e0 [ 49.945692] ? find_held_lock+0x2b/0x80 [ 49.946424] ? do_prlimit+0x310/0x610 [ 49.947140] ? __pfx_do_seccomp+0x10/0x10 [ 49.948159] ? do_raw_spin_unlock+0x53/0x220 [ 49.949077] ? _raw_spin_unlock+0x1e/0x40 [ 49.949856] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.950872] ? static_key_count+0x60/0x80 [ 49.951727] prctl_set_seccomp+0x4e/0x70 [ 49.952550] __do_sys_prctl+0xe6c/0x1d70 [ 49.953372] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.954291] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.955312] ? irqentry_exit+0xf3/0x650 [ 49.956134] do_syscall_64+0xbf/0x430 [ 49.956874] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.957870] RIP: 0033:0x7f42295f95cd [ 49.958615] 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 [ 49.961964] RSP: 002b:00007fff48c89ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.963421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42295f95cd [ 49.964785] RDX: 00005564c718de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.966118] RBP: 00007fff48c89f00 R08: 0000000000000000 R09: 00007fff48c895a0 [ 49.967458] R10: 0000000000000000 R11: 0000000000000246 R12: 00005564f36962b0 [ 49.968721] R13: 00007fff48c8a330 R14: 00005564f3698d20 R15: 00005564f36aa8d0 [ 49.969845] [ 49.970256] irq event stamp: 1783 [ 49.970774] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 49.972084] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 49.973389] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 49.974716] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 49.976031] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29609' (ECDSA) to the list of known hosts. 2025/11/17 15:59:13 fuzzer started 2025/11/17 15:59:14 dialing manager at localhost:37895 2025/11/17 15:59:14 checking machine... 2025/11/17 15:59:14 checking revisions... [ 50.978539] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:59:14 testing simple program... [ 51.060974] cgroup: Unknown subsys name 'net' [ 51.112859] cgroup: Unknown subsys name 'cpuset' [ 51.131759] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:59:13 Registers: info registers vcpu 0 RAX=0000000000047b6b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea8b33d008 CR3=000000000b70a000 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=39353a353120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383334 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=00007fea8bf08e07 RCX=255630821f11977f RDX=0000000000000000 RSI=0000000010e2cc00 RDI=ffff88806cf31cd0 RBP=00007fea8bf08e07 RSP=ffff88801625f678 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801625f700 R13=0000000000000000 R14=ffff88800f273780 R15=ffff88800944cc80 RIP=ffffffff8160e0d8 RFL=00000286 [--S--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 00007fea8b36e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea8b327008 CR3=000000000d42b000 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