[ 46.002414] ------------[ cut here ]------------ [ 46.003346] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.005319] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.007175] Modules linked in: [ 46.007762] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.009994] Tainted: [W]=WARN [ 46.010662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.012126] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.012985] 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 [ 46.016173] RSP: 0018:ffff88800f0c7bc0 EFLAGS: 00010286 [ 46.017134] RAX: 0000000000000000 RBX: ffffed1001e18f78 RCX: ffffffff813a4050 [ 46.018451] RDX: ffff8880162b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.019739] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e18f2f [ 46.021007] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.022306] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f0c7df8 [ 46.023611] FS: 00007fa6fb446900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.025040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.026073] CR2: 00007fa6fb938580 CR3: 0000000016c67000 CR4: 0000000000350ef0 [ 46.027404] Call Trace: [ 46.027869] [ 46.028340] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.029222] ? __create_object+0x59/0x80 [ 46.029955] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.030945] __vmalloc_noprof+0x59/0x60 [ 46.031709] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.032575] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.033505] bpf_prog_alloc+0x39/0x200 [ 46.034255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.035206] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.036126] do_seccomp+0x349/0x25e0 [ 46.036809] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.037755] ? __pfx_do_seccomp+0x10/0x10 [ 46.038555] ? find_held_lock+0x2b/0x80 [ 46.039330] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.040308] ? static_key_count+0x60/0x80 [ 46.041055] prctl_set_seccomp+0x4e/0x70 [ 46.041836] __do_sys_prctl+0xe6c/0x1d70 [ 46.042640] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.043516] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.044492] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.045468] ? irqentry_exit+0xf3/0x650 [ 46.046275] do_syscall_64+0xbf/0x430 [ 46.046985] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.047938] RIP: 0033:0x7fa6fb9385cd [ 46.048640] 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 [ 46.051793] RSP: 002b:00007ffe501538f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.053177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6fb9385cd [ 46.054492] RDX: 0000563959b2ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.055776] RBP: 00007ffe50153950 R08: 0000000000000000 R09: 00007ffe50152ff0 [ 46.057059] R10: 0000000000000000 R11: 0000000000000246 R12: 000056396416ebf0 [ 46.058370] R13: 00007ffe50153d80 R14: 0000563964178380 R15: 0000563964183460 [ 46.059701] [ 46.060165] irq event stamp: 1775 [ 46.060792] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 46.062359] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 46.063861] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 46.065388] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 46.066903] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.291843] ------------[ cut here ]------------ [ 49.292607] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.294270] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.295472] Modules linked in: [ 49.295957] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.297626] Tainted: [W]=WARN [ 49.298119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.299355] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.300113] 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 [ 49.302760] RSP: 0018:ffff8880189c7bc0 EFLAGS: 00010286 [ 49.303578] RAX: 0000000000000000 RBX: ffffed1003138f78 RCX: ffffffff813a4050 [ 49.304641] RDX: ffff888015f90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.305720] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003138f2f [ 49.306790] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.307850] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880189c7df8 [ 49.308926] FS: 00007f885fd8f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.310123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.310975] CR2: 00007ffe33c28ef8 CR3: 000000000a20c000 CR4: 0000000000350ef0 [ 49.312046] Call Trace: [ 49.312466] [ 49.312817] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.313563] ? __create_object+0x59/0x80 [ 49.314210] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.314990] __vmalloc_noprof+0x59/0x60 [ 49.315616] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.316330] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.317104] bpf_prog_alloc+0x39/0x200 [ 49.317677] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.318460] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.319205] do_seccomp+0x349/0x25e0 [ 49.319763] ? find_held_lock+0x2b/0x80 [ 49.320391] ? do_prlimit+0x310/0x610 [ 49.320984] ? __pfx_do_seccomp+0x10/0x10 [ 49.321648] ? do_raw_spin_unlock+0x53/0x220 [ 49.322341] ? _raw_spin_unlock+0x1e/0x40 [ 49.322954] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.323752] ? static_key_count+0x60/0x80 [ 49.324404] prctl_set_seccomp+0x4e/0x70 [ 49.325012] __do_sys_prctl+0xe6c/0x1d70 [ 49.325662] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.326383] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.327189] ? irqentry_exit+0xf3/0x650 [ 49.327796] do_syscall_64+0xbf/0x430 [ 49.328409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.329194] RIP: 0033:0x7f88602815cd [ 49.329751] 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 [ 49.332385] RSP: 002b:00007ffe33c277b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.333524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88602815cd [ 49.334605] RDX: 0000565187e3de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.335663] RBP: 00007ffe33c27810 R08: 0000000000000000 R09: 00007ffe33c26eb0 [ 49.336727] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651c2b12ad0 [ 49.337799] R13: 00007ffe33c27c40 R14: 00005651c2b13bc0 R15: 00005651c2b24780 [ 49.338892] [ 49.339274] irq event stamp: 1691 [ 49.339786] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 49.341057] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 49.342350] softirqs last enabled at (70): [] handle_softirqs+0x50c/0x770 [ 49.343613] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 49.344863] ---[ end trace 0000000000000000 ]--- [ 50.147225] ------------[ cut here ]------------ [ 50.148162] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.150238] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.151717] Modules linked in: [ 50.152355] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.154608] Tainted: [W]=WARN [ 50.155291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.156769] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.157699] 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 [ 50.160847] RSP: 0018:ffff888016947bc0 EFLAGS: 00010286 [ 50.161838] RAX: 0000000000000000 RBX: ffffed1002d28f78 RCX: ffffffff813a4050 [ 50.163124] RDX: ffff88800a945340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.164413] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d28f2f [ 50.165693] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.167005] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016947df8 [ 50.168304] FS: 00007f7c11c18900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.169746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.170826] CR2: 00007ffdcc19def8 CR3: 0000000016c30000 CR4: 0000000000350ef0 [ 50.172118] Call Trace: [ 50.172586] [ 50.172989] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.173891] ? __create_object+0x59/0x80 [ 50.174701] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.175673] __vmalloc_noprof+0x59/0x60 [ 50.176441] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.177313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.178247] bpf_prog_alloc+0x39/0x200 [ 50.178941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.179858] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.180753] do_seccomp+0x349/0x25e0 [ 50.181461] ? find_held_lock+0x2b/0x80 [ 50.182224] ? do_prlimit+0x310/0x610 [ 50.182934] ? __pfx_do_seccomp+0x10/0x10 [ 50.183731] ? do_raw_spin_unlock+0x53/0x220 [ 50.184559] ? _raw_spin_unlock+0x1e/0x40 [ 50.185346] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.186320] ? static_key_count+0x60/0x80 [ 50.187118] prctl_set_seccomp+0x4e/0x70 [ 50.187843] __do_sys_prctl+0xe6c/0x1d70 [ 50.188631] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.189475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.190461] ? irqentry_exit+0xf3/0x650 [ 50.191215] do_syscall_64+0xbf/0x430 [ 50.191900] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.192853] RIP: 0033:0x7f7c1210a5cd [ 50.193556] 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 [ 50.196685] RSP: 002b:00007ffdcc19b920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.198028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c1210a5cd [ 50.199315] RDX: 0000557865719e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.200587] RBP: 00007ffdcc19b980 R08: 0000000000000000 R09: 00007ffdcc19b020 [ 50.201868] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557878ef12b0 [ 50.203162] R13: 00007ffdcc19bdb0 R14: 0000557878ef3d20 R15: 0000557878f058d0 [ 50.204445] [ 50.204864] irq event stamp: 1901 [ 50.205502] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 50.207008] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 50.208506] softirqs last enabled at (1526): [] handle_softirqs+0x50c/0x770 [ 50.210018] softirqs last disabled at (1521): [] __irq_exit_rcu+0xc4/0x100 [ 50.211471] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38123' (ECDSA) to the list of known hosts. 2025/11/19 06:56:29 fuzzer started 2025/11/19 06:56:29 dialing manager at localhost:34383 2025/11/19 06:56:29 checking machine... 2025/11/19 06:56:29 checking revisions... [ 51.094225] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:56:30 testing simple program... [ 51.177503] cgroup: Unknown subsys name 'net' [ 51.225598] cgroup: Unknown subsys name 'cpuset' [ 51.245259] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:56:29 Registers: info registers vcpu 0 RAX=00000000000000c4 RBX=ffff888016260000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016260a80 RDI=ffff888016260a58 RBP=ffff888016260a58 RSP=ffff8880166377e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888016260a80 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f1f5dfc5700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe33c21000 CR3=0000000018b4d000 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=36353a363020393120766f4e3e38333c XMM01=656e6e6f637369642064657669656365 XMM02=63736964203a31313a34383933342074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343839 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=0000000000028961 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd73d4edc8 CR3=000000000d795000 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=6e72ff39c2c5f989a54519e375a0f341 XMM02=ec2efd57dc4c00df0000000000304320 XMM03=4a266d0064cc9a2f00000000003043f0 XMM04=aaf4791459cae75600000000000ae988 XMM05=14648eaa1277bab1000000000031fe58 XMM06=817b8945e9d50373000000000031fce0 XMM07=e042d86d42eb936e0000000000311018 XMM08=4a266d0064cc9a2f00000000003043f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000