[ 38.908821] ------------[ cut here ]------------ [ 38.909732] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.911771] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.913456] Modules linked in: [ 38.914140] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.916087] Tainted: [W]=WARN [ 38.916697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.918162] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.919072] 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 [ 38.922247] RSP: 0018:ffff888015af7bc0 EFLAGS: 00010286 [ 38.923233] RAX: 0000000000000000 RBX: ffffed1002b5ef78 RCX: ffffffff813a4050 [ 38.924528] RDX: ffff888016c91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.925792] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5ef2f [ 38.927078] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.928375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015af7df8 [ 38.929662] FS: 00007f544855e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.931095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.932150] CR2: 00007ffefce3eef8 CR3: 000000000db4f000 CR4: 0000000000350ef0 [ 38.933444] Call Trace: [ 38.933951] [ 38.934369] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.935272] ? __create_object+0x59/0x80 [ 38.936045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.937033] __vmalloc_noprof+0x59/0x60 [ 38.937789] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.938671] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.939604] bpf_prog_alloc+0x39/0x200 [ 38.940303] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.941234] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.942140] do_seccomp+0x349/0x25e0 [ 38.942856] ? find_held_lock+0x2b/0x80 [ 38.943622] ? do_prlimit+0x310/0x610 [ 38.944332] ? __pfx_do_seccomp+0x10/0x10 [ 38.945114] ? do_raw_spin_unlock+0x53/0x220 [ 38.945945] ? _raw_spin_unlock+0x1e/0x40 [ 38.946723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.947681] ? static_key_count+0x60/0x80 [ 38.948438] prctl_set_seccomp+0x4e/0x70 [ 38.949218] __do_sys_prctl+0xe6c/0x1d70 [ 38.950010] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.950873] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.951841] ? irqentry_exit+0xf3/0x650 [ 38.952619] do_syscall_64+0xbf/0x430 [ 38.953306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.954266] RIP: 0033:0x7f5448a505cd [ 38.954971] 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 [ 38.958132] RSP: 002b:00007ffefce3c2b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.959517] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5448a505cd [ 38.960815] RDX: 00005583c2412e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.962094] RBP: 00007ffefce3c310 R08: 0000000000000000 R09: 00007ffefce3b9b0 [ 38.963386] R10: 0000000000000000 R11: 0000000000000246 R12: 00005583d8d1f2b0 [ 38.964684] R13: 00007ffefce3c740 R14: 00005583d8d21d20 R15: 00005583d8d338d0 [ 38.965597] [ 38.965864] irq event stamp: 1823 [ 38.966246] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 38.967215] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 38.968189] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 38.969124] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 38.969828] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.093852] ------------[ cut here ]------------ [ 41.094718] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.096442] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.097653] Modules linked in: [ 41.098140] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.099772] Tainted: [W]=WARN [ 41.100237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.101438] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.102173] 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 [ 41.104815] RSP: 0018:ffff88801a4ffbc0 EFLAGS: 00010286 [ 41.105617] RAX: 0000000000000000 RBX: ffffed100349ff78 RCX: ffffffff813a4050 [ 41.106659] RDX: ffff888016c9d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.107709] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100349ff2f [ 41.108766] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.109815] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a4ffdf8 [ 41.110860] FS: 00007fab61860900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.112034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.112907] CR2: 00007ffd870b9ef8 CR3: 000000000b6c5000 CR4: 0000000000350ef0 [ 41.113957] Call Trace: [ 41.114334] [ 41.114693] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.115390] ? __create_object+0x59/0x80 [ 41.116020] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.116811] __vmalloc_noprof+0x59/0x60 [ 41.117395] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.118093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.118856] bpf_prog_alloc+0x39/0x200 [ 41.119435] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.120190] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.120931] do_seccomp+0x349/0x25e0 [ 41.121513] ? find_held_lock+0x2b/0x80 [ 41.122110] ? do_prlimit+0x310/0x610 [ 41.122708] ? __pfx_do_seccomp+0x10/0x10 [ 41.123313] ? do_raw_spin_unlock+0x53/0x220 [ 41.123988] ? _raw_spin_unlock+0x1e/0x40 [ 41.124623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.125374] ? static_key_count+0x60/0x80 [ 41.126012] prctl_set_seccomp+0x4e/0x70 [ 41.126641] __do_sys_prctl+0xe6c/0x1d70 [ 41.127254] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.127941] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.128757] ? irqentry_exit+0xf3/0x650 [ 41.129350] do_syscall_64+0xbf/0x430 [ 41.129944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.130718] RIP: 0033:0x7fab61d525cd [ 41.131267] 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 [ 41.133865] RSP: 002b:00007ffd870b76f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.134986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab61d525cd [ 41.136039] RDX: 00005606a0501e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.137101] RBP: 00007ffd870b7750 R08: 0000000000000000 R09: 00007ffd870b6df0 [ 41.138143] R10: 0000000000000000 R11: 0000000000000246 R12: 00005606a6bc0240 [ 41.139183] R13: 00007ffd870b7b80 R14: 00005606a6bbfbf0 R15: 00005606a6bd44d0 [ 41.140249] [ 41.140628] irq event stamp: 1747 [ 41.141129] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 41.142367] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 41.143598] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 41.144861] softirqs last disabled at (1503): [] __irq_exit_rcu+0xc4/0x100 [ 41.146092] ---[ end trace 0000000000000000 ]--- [ 41.746182] ------------[ cut here ]------------ [ 41.747085] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.749138] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 41.750791] Modules linked in: [ 41.751372] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.753412] Tainted: [W]=WARN [ 41.754002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.755457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.756379] 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 [ 41.759513] RSP: 0018:ffff888017117bc0 EFLAGS: 00010286 [ 41.760442] RAX: 0000000000000000 RBX: ffffed1002e22f78 RCX: ffffffff813a4050 [ 41.761709] RDX: ffff888016041bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.762982] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e22f2f [ 41.764268] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.765529] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017117df8 [ 41.766794] FS: 00007f3dc03b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.768232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.769279] CR2: 00007f3dc08a5580 CR3: 000000000e1b9000 CR4: 0000000000350ef0 [ 41.770555] Call Trace: [ 41.771013] [ 41.771420] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.772314] ? __create_object+0x59/0x80 [ 41.773090] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.774053] __vmalloc_noprof+0x59/0x60 [ 41.774798] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.775669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.776609] bpf_prog_alloc+0x39/0x200 [ 41.777305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.778225] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.779124] do_seccomp+0x349/0x25e0 [ 41.779847] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.780745] ? __pfx_do_seccomp+0x10/0x10 [ 41.781528] ? find_held_lock+0x2b/0x80 [ 41.782241] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.783202] ? static_key_count+0x60/0x80 [ 41.783998] prctl_set_seccomp+0x4e/0x70 [ 41.784778] __do_sys_prctl+0xe6c/0x1d70 [ 41.785557] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.786378] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.787332] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.788307] ? irqentry_exit+0xf3/0x650 [ 41.789069] do_syscall_64+0xbf/0x430 [ 41.789803] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.790750] RIP: 0033:0x7f3dc08a55cd [ 41.791408] 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 [ 41.794739] RSP: 002b:00007fff2a860d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.796093] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3dc08a55cd [ 41.797398] RDX: 00005563f6b6ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.798687] RBP: 00007fff2a860da0 R08: 0000000000000000 R09: 00007fff2a860440 [ 41.799937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556424efc2b0 [ 41.801211] R13: 00007fff2a8611d0 R14: 0000556424efed20 R15: 0000556424f108d0 [ 41.802515] [ 41.802933] irq event stamp: 1851 [ 41.803582] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 41.805114] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 41.806392] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 41.807688] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 41.808951] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43252' (ECDSA) to the list of known hosts. 2025/11/17 12:40:45 fuzzer started 2025/11/17 12:40:45 dialing manager at localhost:37895 2025/11/17 12:40:45 checking machine... 2025/11/17 12:40:45 checking revisions... [ 42.631996] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:40:45 testing simple program... [ 42.702619] cgroup: Unknown subsys name 'net' [ 42.750899] cgroup: Unknown subsys name 'cpuset' [ 42.761052] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 51.613094] audit: type=1400 audit(1763383254.630:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 12:40:44 Registers: info registers vcpu 0 RAX=ffffffff81b2a3f3 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff81b2a3f3 RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =ffffffff86ab8c8e R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000025776 R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff81618fa4 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005606a6bc1954 CR3=000000000ba0f000 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=6720646572637465733a4d41503d706f 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=0000000000021fc7 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=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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fab61e15650 CR3=000000000d0a6000 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=30343a323120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323637 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000