[ 39.026364] ------------[ cut here ]------------ [ 39.027108] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.028752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.029939] Modules linked in: [ 39.030460] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.032110] Tainted: [W]=WARN [ 39.032610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.033819] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.034577] 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 [ 39.037222] RSP: 0018:ffff8880198b7bc0 EFLAGS: 00010286 [ 39.037993] RAX: 0000000000000000 RBX: ffffed1003316f78 RCX: ffffffff813a4050 [ 39.039043] RDX: ffff888016f43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.040105] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003316f2f [ 39.041155] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.042214] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198b7df8 [ 39.043315] FS: 00007fef12ea4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.044508] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.045390] CR2: 00007fef13396580 CR3: 000000000eaf4000 CR4: 0000000000350ef0 [ 39.046459] Call Trace: [ 39.046845] [ 39.047236] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.047944] ? __create_object+0x59/0x80 [ 39.048597] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.049393] __vmalloc_noprof+0x59/0x60 [ 39.049981] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.050701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051474] bpf_prog_alloc+0x39/0x200 [ 39.052044] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.052818] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.053581] do_seccomp+0x349/0x25e0 [ 39.054133] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.054876] ? __pfx_do_seccomp+0x10/0x10 [ 39.055544] ? find_held_lock+0x2b/0x80 [ 39.056131] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.056925] ? static_key_count+0x60/0x80 [ 39.057596] prctl_set_seccomp+0x4e/0x70 [ 39.058232] __do_sys_prctl+0xe6c/0x1d70 [ 39.058837] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.059554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.060343] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.061097] ? irqentry_exit+0xf3/0x650 [ 39.061733] do_syscall_64+0xbf/0x430 [ 39.062330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.063082] RIP: 0033:0x7fef133965cd [ 39.063667] 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 [ 39.066255] RSP: 002b:00007ffc116822b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.067383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fef133965cd [ 39.068441] RDX: 000055a50f996e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.069516] RBP: 00007ffc11682310 R08: 0000000000000000 R09: 00007ffc116819b0 [ 39.070575] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a533ccbad0 [ 39.071640] R13: 00007ffc11682740 R14: 000055a533cccbc0 R15: 000055a533cdd780 [ 39.072714] [ 39.073062] irq event stamp: 1701 [ 39.073591] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 39.074831] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 39.076089] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 39.077358] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 39.078601] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.311600] ------------[ cut here ]------------ [ 42.312550] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.314546] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 42.316000] Modules linked in: [ 42.316664] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.318667] Tainted: [W]=WARN [ 42.319292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.320768] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.321683] 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 [ 42.324853] RSP: 0018:ffff888016db7bc0 EFLAGS: 00010286 [ 42.325859] RAX: 0000000000000000 RBX: ffffed1002db6f78 RCX: ffffffff813a4050 [ 42.327162] RDX: ffff88801798d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.328484] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db6f2f [ 42.329771] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.331072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016db7df8 [ 42.332363] FS: 00007f387a848900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.333799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.334869] CR2: 00007ffe24818ef8 CR3: 000000000d476000 CR4: 0000000000350ef0 [ 42.336183] Call Trace: [ 42.336693] [ 42.337101] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.337997] ? __create_object+0x59/0x80 [ 42.338787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.339771] __vmalloc_noprof+0x59/0x60 [ 42.340547] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.341417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.342351] bpf_prog_alloc+0x39/0x200 [ 42.343042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.343988] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.344899] do_seccomp+0x349/0x25e0 [ 42.345616] ? find_held_lock+0x2b/0x80 [ 42.346385] ? do_prlimit+0x310/0x610 [ 42.347090] ? __pfx_do_seccomp+0x10/0x10 [ 42.347910] ? do_raw_spin_unlock+0x53/0x220 [ 42.348741] ? _raw_spin_unlock+0x1e/0x40 [ 42.349522] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.350492] ? static_key_count+0x60/0x80 [ 42.351308] prctl_set_seccomp+0x4e/0x70 [ 42.352043] __do_sys_prctl+0xe6c/0x1d70 [ 42.352834] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.353684] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.354648] ? irqentry_exit+0xf3/0x650 [ 42.355427] do_syscall_64+0xbf/0x430 [ 42.356134] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.357084] RIP: 0033:0x7f387ad3a5cd [ 42.357790] 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 [ 42.360987] RSP: 002b:00007ffe24817900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.362368] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f387ad3a5cd [ 42.363677] RDX: 0000561a472a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.364941] RBP: 00007ffe24817960 R08: 0000000000000000 R09: 00007ffe24817000 [ 42.366239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a6d96fbf0 [ 42.367533] R13: 00007ffe24817d90 R14: 0000561a6d979380 R15: 0000561a6d984460 [ 42.368824] [ 42.369296] irq event stamp: 1747 [ 42.369903] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.371441] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.372957] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 42.374510] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 42.376038] ---[ end trace 0000000000000000 ]--- [ 43.116325] ------------[ cut here ]------------ [ 43.117250] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.119293] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.120765] Modules linked in: [ 43.121401] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.123435] Tainted: [W]=WARN [ 43.123997] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.125487] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.126410] 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 [ 43.129665] RSP: 0018:ffff888017647bc0 EFLAGS: 00010286 [ 43.130639] RAX: 0000000000000000 RBX: ffffed1002ec8f78 RCX: ffffffff813a4050 [ 43.132016] RDX: ffff888017293780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.133303] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec8f2f [ 43.134574] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.135889] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017647df8 [ 43.137153] FS: 00007fde991ad900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.138590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.139690] CR2: 00007ffdcf6d7ef8 CR3: 000000000e184000 CR4: 0000000000350ef0 [ 43.140962] Call Trace: [ 43.141458] [ 43.141878] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.142772] ? __create_object+0x59/0x80 [ 43.143585] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.144551] __vmalloc_noprof+0x59/0x60 [ 43.145310] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.146125] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.147069] bpf_prog_alloc+0x39/0x200 [ 43.147838] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.148768] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.149667] do_seccomp+0x349/0x25e0 [ 43.150380] ? find_held_lock+0x2b/0x80 [ 43.151103] ? do_prlimit+0x310/0x610 [ 43.151881] ? __pfx_do_seccomp+0x10/0x10 [ 43.152680] ? do_raw_spin_unlock+0x53/0x220 [ 43.153508] ? _raw_spin_unlock+0x1e/0x40 [ 43.154274] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.155284] ? static_key_count+0x60/0x80 [ 43.156036] prctl_set_seccomp+0x4e/0x70 [ 43.156825] __do_sys_prctl+0xe6c/0x1d70 [ 43.157593] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.158458] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.159450] ? irqentry_exit+0xf3/0x650 [ 43.160171] do_syscall_64+0xbf/0x430 [ 43.160930] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.161877] RIP: 0033:0x7fde9969f5cd [ 43.162576] 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 [ 43.165763] RSP: 002b:00007ffdcf6d6510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.167143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde9969f5cd [ 43.168432] RDX: 0000563af7d1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.169704] RBP: 00007ffdcf6d6570 R08: 0000000000000000 R09: 00007ffdcf6d5c10 [ 43.170978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b1770ead0 [ 43.172300] R13: 00007ffdcf6d69a0 R14: 0000563b1770fbc0 R15: 0000563b17720780 [ 43.173596] [ 43.174029] irq event stamp: 1773 [ 43.174670] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 43.176209] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 43.177720] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 43.179279] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 43.180657] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5520' (ECDSA) to the list of known hosts. 2025/11/18 14:54:46 fuzzer started 2025/11/18 14:54:46 dialing manager at localhost:34383 2025/11/18 14:54:46 checking machine... 2025/11/18 14:54:46 checking revisions... [ 44.098650] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:54:46 testing simple program... [ 44.186807] cgroup: Unknown subsys name 'net' [ 44.250779] cgroup: Unknown subsys name 'cpuset' [ 44.266059] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:54:45 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000042 RCX=00007f387ad3b000 RDX=0000000000000024 RSI=00007ffe24812b00 RDI=0000000000000008 RBP=0000000000000008 RSP=00007ffe24810750 R8 =0000000000000024 R9 =00007ffe24810768 R10=0000000000000042 R11=0000000000000246 R12=00007ffe24812b20 R13=00007ffe24810768 R14=00007ffe2481076c R15=00007ffe24812b10 RIP=00007f387b3828f4 RFL=00000293 [--S-A-C] 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 00007f387a848900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe24811000 CR3=000000000da04000 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=0000000000024a05 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f240e5c8020 CR3=000000000db8d000 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=6a9eb9477554b197d1413d1cc4e100e2 XMM02=0000000000303808ec2efd57dc4c00df XMM03=00000000003107d816f7abf193b6ffb7 XMM04=0ee207bebfb2cf7300000000000ae988 XMM05=0b39c798a71319b60000000000320370 XMM06=8fede82a5ad58cbe00000000003201f8 XMM07=e042d86d42eb936e0000000000310ab0 XMM08=16f7abf193b6ffb70000000000303868 XMM09=00000000000000000000000000000000 XMM10=20000000000000000000000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000