[ 39.310940] ------------[ cut here ]------------ [ 39.311726] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.313382] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.314592] Modules linked in: [ 39.315230] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.317006] Tainted: [W]=WARN [ 39.317466] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.318705] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.319436] 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 [ 39.322092] RSP: 0018:ffff888019f5fbc0 EFLAGS: 00010286 [ 39.322910] RAX: 0000000000000000 RBX: ffffed10033ebf78 RCX: ffffffff813a4050 [ 39.323988] RDX: ffff888016738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.325065] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033ebf2f [ 39.326132] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.327205] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f5fdf8 [ 39.328291] FS: 00007f0843693900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.329498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.330386] CR2: 00007f0843b85580 CR3: 000000000a122000 CR4: 0000000000350ef0 [ 39.331468] Call Trace: [ 39.331906] [ 39.332248] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.332994] ? __create_object+0x59/0x80 [ 39.333603] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.334401] __vmalloc_noprof+0x59/0x60 [ 39.335056] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.335786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.336517] bpf_prog_alloc+0x39/0x200 [ 39.337133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.337917] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.338703] do_seccomp+0x349/0x25e0 [ 39.339276] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.340026] ? __pfx_do_seccomp+0x10/0x10 [ 39.340675] ? find_held_lock+0x2b/0x80 [ 39.341267] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.342081] ? static_key_count+0x60/0x80 [ 39.342756] prctl_set_seccomp+0x4e/0x70 [ 39.343380] __do_sys_prctl+0xe6c/0x1d70 [ 39.344042] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.344754] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.345518] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.346322] ? irqentry_exit+0xf3/0x650 [ 39.346947] do_syscall_64+0xbf/0x430 [ 39.347548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.348354] RIP: 0033:0x7f0843b855cd [ 39.348940] 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 [ 39.351602] RSP: 002b:00007ffc5316f840 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.352759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0843b855cd [ 39.353827] RDX: 0000555dd7252e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.354900] RBP: 00007ffc5316f8a0 R08: 0000000000000000 R09: 00007ffc5316ef40 [ 39.355987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555df35ed2b0 [ 39.357058] R13: 00007ffc5316fcd0 R14: 0000555df35efd20 R15: 0000555df36018d0 [ 39.358159] [ 39.358516] irq event stamp: 1721 [ 39.359084] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.360396] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.361681] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 39.362988] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 39.364262] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.380311] ------------[ cut here ]------------ [ 42.381241] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.383267] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.384761] Modules linked in: [ 42.385354] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.387564] Tainted: [W]=WARN [ 42.388167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.389629] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.390528] 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 [ 42.393686] RSP: 0018:ffff888016aa7bc0 EFLAGS: 00010286 [ 42.394613] RAX: 0000000000000000 RBX: ffffed1002d54f78 RCX: ffffffff813a4050 [ 42.395930] RDX: ffff888019f48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.397212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d54f2f [ 42.398493] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.399787] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016aa7df8 [ 42.401068] FS: 00007f03c1201900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.402508] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.403575] CR2: 00007f03c16f3580 CR3: 000000000e40f000 CR4: 0000000000350ef0 [ 42.404851] Call Trace: [ 42.405313] [ 42.405772] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.406627] ? __create_object+0x59/0x80 [ 42.407414] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.408378] __vmalloc_noprof+0x59/0x60 [ 42.409132] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.410006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.410930] bpf_prog_alloc+0x39/0x200 [ 42.411625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.412552] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.413472] do_seccomp+0x349/0x25e0 [ 42.414188] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.415091] ? __pfx_do_seccomp+0x10/0x10 [ 42.415886] ? find_held_lock+0x2b/0x80 [ 42.416588] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.417544] ? static_key_count+0x60/0x80 [ 42.418334] prctl_set_seccomp+0x4e/0x70 [ 42.419119] __do_sys_prctl+0xe6c/0x1d70 [ 42.419906] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.420770] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.421729] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.422702] ? irqentry_exit+0xf3/0x650 [ 42.423427] do_syscall_64+0xbf/0x430 [ 42.424166] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.425114] RIP: 0033:0x7f03c16f35cd [ 42.425815] 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 [ 42.428942] RSP: 002b:00007ffd584f5080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.430292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03c16f35cd [ 42.431581] RDX: 000055fb26872e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.432845] RBP: 00007ffd584f50e0 R08: 0000000000000000 R09: 00007ffd584f4780 [ 42.434115] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb4dc6b240 [ 42.435402] R13: 00007ffd584f5510 R14: 000055fb4dc6abf0 R15: 000055fb4dc7f4d0 [ 42.436690] [ 42.437113] irq event stamp: 1821 [ 42.437759] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 42.439279] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 42.440802] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 42.442346] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 42.443856] ---[ end trace 0000000000000000 ]--- [ 43.241011] ------------[ cut here ]------------ [ 43.243244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.245207] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.246629] Modules linked in: [ 43.247274] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.249231] Tainted: [W]=WARN [ 43.249809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.251255] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.252146] 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 [ 43.255250] RSP: 0018:ffff888015ccfbc0 EFLAGS: 00010286 [ 43.256209] RAX: 0000000000000000 RBX: ffffed1002b99f78 RCX: ffffffff813a4050 [ 43.257478] RDX: ffff888013e85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.258737] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b99f2f [ 43.260021] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.261269] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ccfdf8 [ 43.262527] FS: 00007f47a905c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.263946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.264999] CR2: 00007ffe92f40ef8 CR3: 000000000a191000 CR4: 0000000000350ef0 [ 43.266264] Call Trace: [ 43.266751] [ 43.267165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.268046] ? __create_object+0x59/0x80 [ 43.268817] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.269771] __vmalloc_noprof+0x59/0x60 [ 43.270507] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.271427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.272335] bpf_prog_alloc+0x39/0x200 [ 43.273049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.273973] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.274858] do_seccomp+0x349/0x25e0 [ 43.275538] ? find_held_lock+0x2b/0x80 [ 43.276283] ? do_prlimit+0x310/0x610 [ 43.277010] ? __pfx_do_seccomp+0x10/0x10 [ 43.277774] ? do_raw_spin_unlock+0x53/0x220 [ 43.278616] ? _raw_spin_unlock+0x1e/0x40 [ 43.279453] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.280400] ? static_key_count+0x60/0x80 [ 43.281186] prctl_set_seccomp+0x4e/0x70 [ 43.281940] __do_sys_prctl+0xe6c/0x1d70 [ 43.282704] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.283840] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.284947] ? irqentry_exit+0xf3/0x650 [ 43.285711] do_syscall_64+0xbf/0x430 [ 43.286427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.287410] RIP: 0033:0x7f47a954e5cd [ 43.288145] 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 [ 43.291362] RSP: 002b:00007ffe92f3fca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.292717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47a954e5cd [ 43.294004] RDX: 0000558577156e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.295292] RBP: 00007ffe92f3fd00 R08: 0000000000000000 R09: 00007ffe92f3f3a0 [ 43.296574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558587e6bad0 [ 43.297862] R13: 00007ffe92f40130 R14: 0000558587e6cbc0 R15: 0000558587e7d780 [ 43.299186] [ 43.299610] irq event stamp: 2087 [ 43.300297] hardirqs last enabled at (2097): [] __up_console_sem+0x78/0x80 [ 43.301827] hardirqs last disabled at (2106): [] __up_console_sem+0x5d/0x80 [ 43.303362] softirqs last enabled at (2000): [] handle_softirqs+0x50c/0x770 [ 43.304754] softirqs last disabled at (1995): [] __irq_exit_rcu+0xc4/0x100 [ 43.306006] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36366' (ECDSA) to the list of known hosts. 2025/11/19 07:35:41 fuzzer started 2025/11/19 07:35:41 dialing manager at localhost:34383 2025/11/19 07:35:41 checking machine... 2025/11/19 07:35:41 checking revisions... [ 44.178288] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:35:42 testing simple program... [ 44.260621] cgroup: Unknown subsys name 'net' [ 44.305224] cgroup: Unknown subsys name 'cpuset' [ 44.318067] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:35:41 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=00005611f2f54a54 RCX=00007fdf948da480 RDX=0000000000000005 RSI=00005611c3047a15 RDI=00005611f2f54a54 RBP=00007fff49bd17c8 RSP=00007fff49bd1708 R8 =00005611c3047a10 R9 =00007fdf94bdf000 R10=0000000000000000 R11=00007fff49bd17b0 R12=00005611f2f54a40 R13=00007fff49bd17c0 R14=00007fff49bd17b8 R15=0000000000000052 RIP=00007fdf948afd1e RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fdf93f8a900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd584ef000 CR3=000000000d6de000 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=ffffffffff0f0e0d0c0b0a0908070605 XMM01=0000000070203a5d3134325b64687373 XMM02=ffffffff0f0e0d0c0b0a090807060504 XMM03=0000000000302b902c67c8bc2e329bc3 XMM04=79c45c1333d5466300000000000ae988 XMM05=6c4a352d5151ac52000000000031fdc0 XMM06=5b75c91c80445342000000000031ebb0 XMM07=fb795ef6d6577056000000000030e588 XMM08=35333a373020393120766f4e3e36383c XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000a RBX=0000000000000002 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88801ae87738 RDI=ffff888009762640 RBP=ffff88801ae87738 RSP=ffff88800977ef20 R8 =00000000ffffffff R9 =fffff9400010116e R10=0000000000000001 R11=0000000000000001 R12=ffff888009761bc0 R13=ffff888009762618 R14=00000000ffffffff R15=ffff888009762668 RIP=ffffffff84c720f6 RFL=00000097 [--S-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055fb4dca3fe0 CR3=0000000020caa000 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=00000000a60ce07b00000000cec3662e XMM01=00000000000000005b53fb5e4f9c1fea XMM02=00000000000000000000000000000000 XMM03=8fc04635213aa8cddd13b2e882a41ab2 XMM04=000000000000000000000000b6740080 XMM05=0000000000000000001d3adbae880080 XMM06=000000000000000000000000001d3adb XMM07=001d3adbae880080b6740080001d379d XMM08=8a00000028000000a000000078000000 XMM09=00000000000000000000000000000000 XMM10=6b388702677637897c2a1ebf2d060f5e XMM11=105818208c3b76ddc9e2b6fde15e4eae XMM12=0d0c0f0e09080b0a0504070601000302 XMM13=0c0f0e0d080b0a090407060500030201 XMM14=00000000000000000000000000002a40 XMM15=00000000000000000000000000000040