[ 39.057784] ------------[ cut here ]------------ [ 39.058721] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.060695] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.062119] Modules linked in: [ 39.062721] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.064916] Tainted: [W]=WARN [ 39.065576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.067061] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.067934] 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 [ 39.071116] RSP: 0018:ffff8880166dfbc0 EFLAGS: 00010286 [ 39.072105] RAX: 0000000000000000 RBX: ffffed1002cdbf78 RCX: ffffffff813a4050 [ 39.073386] RDX: ffff888017760000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.074674] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdbf2f [ 39.075952] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.077233] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166dfdf8 [ 39.078526] FS: 00007f2b8c1a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.079974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.081043] CR2: 00007f2b8c694580 CR3: 0000000016680000 CR4: 0000000000350ef0 [ 39.082334] Call Trace: [ 39.082809] [ 39.083263] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.084164] ? __create_object+0x59/0x80 [ 39.084900] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.085857] __vmalloc_noprof+0x59/0x60 [ 39.086642] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.087505] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.088443] bpf_prog_alloc+0x39/0x200 [ 39.089181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.090110] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.090990] do_seccomp+0x349/0x25e0 [ 39.091715] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.092618] ? __pfx_do_seccomp+0x10/0x10 [ 39.093414] ? find_held_lock+0x2b/0x80 [ 39.094184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.095164] ? static_key_count+0x60/0x80 [ 39.095923] prctl_set_seccomp+0x4e/0x70 [ 39.096694] __do_sys_prctl+0xe6c/0x1d70 [ 39.097471] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.098334] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.099292] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.100253] ? irqentry_exit+0xf3/0x650 [ 39.100962] do_syscall_64+0xbf/0x430 [ 39.101696] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.102655] RIP: 0033:0x7f2b8c6945cd [ 39.103351] 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 [ 39.106506] RSP: 002b:00007ffd5e03e380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.107864] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b8c6945cd [ 39.109140] RDX: 0000562d3b9f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.110402] RBP: 00007ffd5e03e3e0 R08: 0000000000000000 R09: 00007ffd5e03da80 [ 39.111231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d42b2aad0 [ 39.112016] R13: 00007ffd5e03e810 R14: 0000562d42b2bbc0 R15: 0000562d42b3c780 [ 39.112858] [ 39.113161] irq event stamp: 1803 [ 39.113547] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 39.114488] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 39.115193] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 39.115884] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 39.116586] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.306219] ------------[ cut here ]------------ [ 41.307185] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.309206] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.310692] Modules linked in: [ 41.311370] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.313399] Tainted: [W]=WARN [ 41.313964] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.315506] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.316440] 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 [ 41.319720] RSP: 0018:ffff88800c867bc0 EFLAGS: 00010286 [ 41.320726] RAX: 0000000000000000 RBX: ffffed100190cf78 RCX: ffffffff813a4050 [ 41.322059] RDX: ffff88800f7ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.323404] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100190cf2f [ 41.324729] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.326058] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c867df8 [ 41.327398] FS: 00007fd805576900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.328890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.329987] CR2: 00007fd805a68580 CR3: 000000000ca2a000 CR4: 0000000000350ef0 [ 41.331323] Call Trace: [ 41.331802] [ 41.332267] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.333191] ? __create_object+0x59/0x80 [ 41.333949] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.334963] __vmalloc_noprof+0x59/0x60 [ 41.335751] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.336647] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.337611] bpf_prog_alloc+0x39/0x200 [ 41.338388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.339351] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.340290] do_seccomp+0x349/0x25e0 [ 41.340985] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.341912] ? __pfx_do_seccomp+0x10/0x10 [ 41.342737] ? find_held_lock+0x2b/0x80 [ 41.343530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.344524] ? static_key_count+0x60/0x80 [ 41.345349] prctl_set_seccomp+0x4e/0x70 [ 41.346161] __do_sys_prctl+0xe6c/0x1d70 [ 41.346925] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.347811] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.348797] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.349794] ? irqentry_exit+0xf3/0x650 [ 41.350598] do_syscall_64+0xbf/0x430 [ 41.351364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.352354] RIP: 0033:0x7fd805a685cd [ 41.353083] 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 [ 41.356390] RSP: 002b:00007fffc5d71580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.357806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd805a685cd [ 41.359152] RDX: 000055dc154d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.360476] RBP: 00007fffc5d715e0 R08: 0000000000000000 R09: 00007fffc5d70c80 [ 41.361803] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dc31456ad0 [ 41.363134] R13: 00007fffc5d71a10 R14: 000055dc31457bc0 R15: 000055dc31468780 [ 41.364484] [ 41.364923] irq event stamp: 1783 [ 41.365598] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 41.367188] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 41.368768] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 41.370382] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 41.371466] ---[ end trace 0000000000000000 ]--- [ 42.069742] ------------[ cut here ]------------ [ 42.070697] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.072765] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.074255] Modules linked in: [ 42.074853] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.077180] Tainted: [W]=WARN [ 42.077756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.079348] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.080290] 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 [ 42.083561] RSP: 0018:ffff8880174b7bc0 EFLAGS: 00010286 [ 42.084571] RAX: 0000000000000000 RBX: ffffed1002e96f78 RCX: ffffffff813a4050 [ 42.085893] RDX: ffff888019de1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.087235] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e96f2f [ 42.088548] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.089861] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174b7df8 [ 42.091201] FS: 00007fe20168e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.092681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.093774] CR2: 00007ffcd57a1ef8 CR3: 0000000010418000 CR4: 0000000000350ef0 [ 42.095105] Call Trace: [ 42.095590] [ 42.096010] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.096943] ? __create_object+0x59/0x80 [ 42.097769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.098808] __vmalloc_noprof+0x59/0x60 [ 42.099608] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.100513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.101489] bpf_prog_alloc+0x39/0x200 [ 42.102268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.103231] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.104163] do_seccomp+0x349/0x25e0 [ 42.104856] ? find_held_lock+0x2b/0x80 [ 42.105657] ? do_prlimit+0x310/0x610 [ 42.106436] ? __pfx_do_seccomp+0x10/0x10 [ 42.107246] ? do_raw_spin_unlock+0x53/0x220 [ 42.108096] ? _raw_spin_unlock+0x1e/0x40 [ 42.108853] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.109841] ? static_key_count+0x60/0x80 [ 42.110674] prctl_set_seccomp+0x4e/0x70 [ 42.111474] __do_sys_prctl+0xe6c/0x1d70 [ 42.112272] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.113150] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.114146] ? irqentry_exit+0xf3/0x650 [ 42.114892] do_syscall_64+0xbf/0x430 [ 42.115647] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.116627] RIP: 0033:0x7fe201b805cd [ 42.117354] 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 [ 42.120676] RSP: 002b:00007ffcd579f860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.122099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe201b805cd [ 42.123442] RDX: 0000555e1421de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.124766] RBP: 00007ffcd579f8c0 R08: 0000000000000000 R09: 00007ffcd579ef60 [ 42.126087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e35f59ad0 [ 42.127428] R13: 00007ffcd579fcf0 R14: 0000555e35f5abc0 R15: 0000555e35f6b780 [ 42.128773] [ 42.129255] irq event stamp: 1791 [ 42.129879] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.131457] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.132990] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 42.134590] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 42.136111] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48634' (ECDSA) to the list of known hosts. 2025/11/18 11:05:21 fuzzer started 2025/11/18 11:05:22 dialing manager at localhost:34383 2025/11/18 11:05:22 checking machine... 2025/11/18 11:05:22 checking revisions... [ 43.037186] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:05:22 testing simple program... [ 43.136383] cgroup: Unknown subsys name 'net' [ 43.211710] cgroup: Unknown subsys name 'cpuset' [ 43.256900] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:05:21 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=ffffffff86a0ba56 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089a8 R8 =ffffffff86a0ba5a R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000008972 R12=ffffffff8135e7a2 R13=ffff88806ce08ab8 R14=ffff88806ce08ff0 R15=ffff88806ce08a70 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007fd805576900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd805545008 CR3=00000000104fb000 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=000000000001b447 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=00000206 [-----P-] 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f59626e3008 CR3=000000000e59d000 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=2031323a35303a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031323a35303a3131203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000