[ 39.107303] ------------[ cut here ]------------ [ 39.108282] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.110416] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.111972] Modules linked in: [ 39.112603] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.114996] Tainted: [W]=WARN [ 39.115596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.117296] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.118305] 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 [ 39.121712] RSP: 0018:ffff888015d67bc0 EFLAGS: 00010286 [ 39.122782] RAX: 0000000000000000 RBX: ffffed1002bacf78 RCX: ffffffff813a4050 [ 39.124137] RDX: ffff888016218000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.125485] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bacf2f [ 39.126872] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.128244] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d67df8 [ 39.129589] FS: 00007f23c40c6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.131140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.132301] CR2: 00007f23c45b8580 CR3: 000000000e564000 CR4: 0000000000350ef0 [ 39.133705] Call Trace: [ 39.134259] [ 39.134691] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.135656] ? __create_object+0x59/0x80 [ 39.136507] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.137545] __vmalloc_noprof+0x59/0x60 [ 39.138395] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.139365] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.140364] bpf_prog_alloc+0x39/0x200 [ 39.141155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.142188] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.143148] do_seccomp+0x349/0x25e0 [ 39.143866] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.144836] ? __pfx_do_seccomp+0x10/0x10 [ 39.145687] ? find_held_lock+0x2b/0x80 [ 39.146519] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.147565] ? static_key_count+0x60/0x80 [ 39.148427] prctl_set_seccomp+0x4e/0x70 [ 39.149265] __do_sys_prctl+0xe6c/0x1d70 [ 39.150133] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.151044] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.152100] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.153140] ? irqentry_exit+0xf3/0x650 [ 39.153904] do_syscall_64+0xbf/0x430 [ 39.154720] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.155755] RIP: 0033:0x7f23c45b85cd [ 39.156556] 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 [ 39.159961] RSP: 002b:00007fff44d07240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.161412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23c45b85cd [ 39.162820] RDX: 00005571fed15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.164204] RBP: 00007fff44d072a0 R08: 0000000000000000 R09: 00007fff44d06940 [ 39.165586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557230731ad0 [ 39.166989] R13: 00007fff44d076d0 R14: 0000557230732bc0 R15: 0000557230743780 [ 39.168360] [ 39.168815] irq event stamp: 1855 [ 39.169514] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 39.171006] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 39.172027] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 39.173055] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 39.174085] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.923225] ------------[ cut here ]------------ [ 41.924175] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.926158] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.927681] Modules linked in: [ 41.928343] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.930365] Tainted: [W]=WARN [ 41.930976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.932473] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.933379] 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 [ 41.936603] RSP: 0018:ffff888016fbfbc0 EFLAGS: 00010286 [ 41.937584] RAX: 0000000000000000 RBX: ffffed1002df7f78 RCX: ffffffff813a4050 [ 41.938881] RDX: ffff888016831bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.940165] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df7f2f [ 41.941463] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.942780] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fbfdf8 [ 41.944101] FS: 00007f672fcd3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.945550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.946625] CR2: 00007f67301c5580 CR3: 000000001f84b000 CR4: 0000000000350ef0 [ 41.947949] Call Trace: [ 41.948435] [ 41.948852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.949763] ? __create_object+0x59/0x80 [ 41.950591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.951574] __vmalloc_noprof+0x59/0x60 [ 41.952358] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.953245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.954201] bpf_prog_alloc+0x39/0x200 [ 41.954881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.955795] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.956690] do_seccomp+0x349/0x25e0 [ 41.957414] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.958347] ? __pfx_do_seccomp+0x10/0x10 [ 41.959137] ? find_held_lock+0x2b/0x80 [ 41.959843] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.960824] ? static_key_count+0x60/0x80 [ 41.961620] prctl_set_seccomp+0x4e/0x70 [ 41.962401] __do_sys_prctl+0xe6c/0x1d70 [ 41.963216] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.964084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.965077] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.966091] ? irqentry_exit+0xf3/0x650 [ 41.966814] do_syscall_64+0xbf/0x430 [ 41.967563] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.968516] RIP: 0033:0x7f67301c55cd [ 41.969229] 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 [ 41.972341] RSP: 002b:00007ffc9c5d1600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.973686] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67301c55cd [ 41.975010] RDX: 0000559472996e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.976337] RBP: 00007ffc9c5d1660 R08: 0000000000000000 R09: 00007ffc9c5d0d00 [ 41.977633] R10: 0000000000000000 R11: 0000000000000246 R12: 000055948b563ad0 [ 41.978966] R13: 00007ffc9c5d1a90 R14: 000055948b564bc0 R15: 000055948b575780 [ 41.980312] [ 41.980734] irq event stamp: 1749 [ 41.981376] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 41.982951] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 41.984487] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 41.986064] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 41.987616] ---[ end trace 0000000000000000 ]--- [ 42.659586] ------------[ cut here ]------------ [ 42.660577] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.662807] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.664385] Modules linked in: [ 42.665077] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.667277] Tainted: [W]=WARN [ 42.667893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.669746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.670844] 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 [ 42.674313] RSP: 0018:ffff888017177bc0 EFLAGS: 00010286 [ 42.675397] RAX: 0000000000000000 RBX: ffffed1002e2ef78 RCX: ffffffff813a4050 [ 42.676816] RDX: ffff888017743780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.678229] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2ef2f [ 42.679627] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.681040] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017177df8 [ 42.682465] FS: 00007f3bf809e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.684041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.685209] CR2: 00007ffd3073bef7 CR3: 000000000d510000 CR4: 0000000000350ef0 [ 42.686642] Call Trace: [ 42.687193] [ 42.687628] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.688585] ? __create_object+0x59/0x80 [ 42.689446] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.690515] __vmalloc_noprof+0x59/0x60 [ 42.691343] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.692284] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.693270] bpf_prog_alloc+0x39/0x200 [ 42.694084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.695094] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.696073] do_seccomp+0x349/0x25e0 [ 42.696783] ? find_held_lock+0x2b/0x80 [ 42.697629] ? do_prlimit+0x310/0x610 [ 42.698445] ? __pfx_do_seccomp+0x10/0x10 [ 42.699292] ? do_raw_spin_unlock+0x53/0x220 [ 42.700198] ? _raw_spin_unlock+0x1e/0x40 [ 42.701037] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.702086] ? static_key_count+0x60/0x80 [ 42.702883] prctl_set_seccomp+0x4e/0x70 [ 42.703724] __do_sys_prctl+0xe6c/0x1d70 [ 42.704557] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.705496] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.706542] ? irqentry_exit+0xf3/0x650 [ 42.707342] do_syscall_64+0xbf/0x430 [ 42.708142] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.709174] RIP: 0033:0x7f3bf85905cd [ 42.709869] 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 [ 42.713260] RSP: 002b:00007ffd30739b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.714739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3bf85905cd [ 42.716103] RDX: 0000562cb9a4ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.717504] RBP: 00007ffd30739bb0 R08: 0000000000000000 R09: 00007ffd30739250 [ 42.718885] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562cbb2b4ad0 [ 42.720243] R13: 00007ffd30739fe0 R14: 0000562cbb2b5bc0 R15: 0000562cbb2c6780 [ 42.721645] [ 42.722169] irq event stamp: 1803 [ 42.722770] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.724158] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.725565] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.726996] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.728420] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12642' (ECDSA) to the list of known hosts. 2025/11/19 06:40:24 fuzzer started 2025/11/19 06:40:24 dialing manager at localhost:34383 2025/11/19 06:40:24 checking machine... 2025/11/19 06:40:24 checking revisions... [ 43.518028] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:40:24 testing simple program... [ 43.611485] cgroup: Unknown subsys name 'net' [ 43.674030] cgroup: Unknown subsys name 'cpuset' [ 43.689185] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:40:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888008c4b780 RCX=0000000000000001 RDX=0000000000000010 RSI=0000000000000000 RDI=ffff8880204000e8 RBP=ffff888008c4b780 RSP=ffff888016b477f8 R8 =0000000000000001 R9 =0000000000000000 R10=ffff8880204000e8 R11=0000000000000001 R12=ffff888020400000 R13=00000000000d2800 R14=00000000000d0000 R15=00000000ffffffff RIP=ffffffff84c73c92 RFL=00000202 [-------] 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 00007f672fcd3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f672fc98008 CR3=000000001f990000 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=0000000000028997 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa7d5375018 CR3=000000000dc94000 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=270beb173bdb7c82484d4f8e71e34082 XMM02=0000000000305ad0ec2efd57dc4c00df XMM03=0000000000312cc8be94797c38263ca8 XMM04=eab82c7b83d5958e00000000000ae988 XMM05=090f1556b20111b300000000003227f0 XMM06=5b75c91c804453420000000000322678 XMM07=e042d86d42eb936e0000000000312f48 XMM08=be94797c38263ca80000000000305b30 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000