[ 38.868489] ------------[ cut here ]------------
[ 38.869413] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 38.871479] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232
[ 38.873204] Modules linked in:
[ 38.873938] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 38.875949] Tainted: [W]=WARN
[ 38.876564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.878081] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 38.879018] 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
[ 38.882235] RSP: 0018:ffff88801bacfbc0 EFLAGS: 00010286
[ 38.883232] RAX: 0000000000000000 RBX: ffffed1003759f78 RCX: ffffffff813a4050
[ 38.884538] RDX: ffff8880159ed340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 38.885862] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003759f2f
[ 38.887173] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 38.888473] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bacfdf8
[ 38.889781] FS: 00007f7e08b8b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 38.891241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.892316] CR2: 00007fff07db2ef7 CR3: 000000000b7d4000 CR4: 0000000000350ef0
[ 38.893622] Call Trace:
[ 38.894100]
[ 38.894561] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 38.895416] ? __create_object+0x59/0x80
[ 38.896211] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 38.897186] __vmalloc_noprof+0x59/0x60
[ 38.897968] bpf_prog_alloc_no_stats+0x55/0x470
[ 38.898848] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.899795] bpf_prog_alloc+0x39/0x200
[ 38.900541] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.901430] bpf_prog_create_from_user+0xb2/0x2f0
[ 38.902361] do_seccomp+0x349/0x25e0
[ 38.903091] ? find_held_lock+0x2b/0x80
[ 38.903859] ? do_prlimit+0x310/0x610
[ 38.904619] ? __pfx_do_seccomp+0x10/0x10
[ 38.905390] ? do_raw_spin_unlock+0x53/0x220
[ 38.906250] ? _raw_spin_unlock+0x1e/0x40
[ 38.907043] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 38.908025] ? static_key_count+0x60/0x80
[ 38.908854] prctl_set_seccomp+0x4e/0x70
[ 38.909649] __do_sys_prctl+0xe6c/0x1d70
[ 38.910419] ? __pfx___do_sys_prctl+0x10/0x10
[ 38.911278] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 38.912274] ? irqentry_exit+0xf3/0x650
[ 38.913051] do_syscall_64+0xbf/0x430
[ 38.913806] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 38.914787] RIP: 0033:0x7f7e0907d5cd
[ 38.915473] 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
[ 38.918723] RSP: 002b:00007fff07db12a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 38.920092] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e0907d5cd
[ 38.921405] RDX: 000055ae3d44de00 RSI: 0000000000000002 RDI: 0000000000000016
[ 38.922655] RBP: 00007fff07db1300 R08: 0000000000000000 R09: 00007fff07db09a0
[ 38.923455] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ae536502b0
[ 38.924282] R13: 00007fff07db1730 R14: 000055ae53652d20 R15: 000055ae536648d0
[ 38.925121]
[ 38.925396] irq event stamp: 1845
[ 38.925829] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80
[ 38.926792] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80
[ 38.927739] softirqs last enabled at (1458): [] handle_softirqs+0x50c/0x770
[ 38.928697] softirqs last disabled at (1453): [] __irq_exit_rcu+0xc4/0x100
[ 38.929640] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 41.639783] ------------[ cut here ]------------
[ 41.640691] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 41.643102] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241
[ 41.644560] Modules linked in:
[ 41.645144] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 41.647125] Tainted: [W]=WARN
[ 41.647728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 41.649196] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 41.650120] 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
[ 41.653300] RSP: 0018:ffff888015e57bc0 EFLAGS: 00010286
[ 41.654297] RAX: 0000000000000000 RBX: ffffed1002bcaf78 RCX: ffffffff813a4050
[ 41.655583] RDX: ffff8880170d3780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 41.656855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bcaf2f
[ 41.658136] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 41.659407] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e57df8
[ 41.660686] FS: 00007fc8b3fb6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 41.662130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.663190] CR2: 00007fc8b44a8580 CR3: 000000001fc29000 CR4: 0000000000350ef0
[ 41.664465] Call Trace:
[ 41.664968]
[ 41.665377] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 41.666292] ? __create_object+0x59/0x80
[ 41.667092] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.668070] __vmalloc_noprof+0x59/0x60
[ 41.668847] bpf_prog_alloc_no_stats+0x55/0x470
[ 41.669736] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.670696] bpf_prog_alloc+0x39/0x200
[ 41.671403] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.672342] bpf_prog_create_from_user+0xb2/0x2f0
[ 41.673268] do_seccomp+0x349/0x25e0
[ 41.674009] ? __pfx_css_rstat_updated+0x10/0x10
[ 41.674926] ? __pfx_do_seccomp+0x10/0x10
[ 41.675717] ? find_held_lock+0x2b/0x80
[ 41.676441] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 41.677426] ? static_key_count+0x60/0x80
[ 41.678253] prctl_set_seccomp+0x4e/0x70
[ 41.679049] __do_sys_prctl+0xe6c/0x1d70
[ 41.679838] ? __pfx___do_sys_prctl+0x10/0x10
[ 41.680706] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.681678] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 41.682667] ? irqentry_exit+0xf3/0x650
[ 41.683406] do_syscall_64+0xbf/0x430
[ 41.684149] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 41.685099] RIP: 0033:0x7fc8b44a85cd
[ 41.685821] 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
[ 41.689018] RSP: 002b:00007ffc885bce50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 41.690427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc8b44a85cd
[ 41.691723] RDX: 00005650d5edee00 RSI: 0000000000000002 RDI: 0000000000000016
[ 41.693008] RBP: 00007ffc885bceb0 R08: 0000000000000000 R09: 00007ffc885bc550
[ 41.694312] R10: 0000000000000000 R11: 0000000000000246 R12: 00005650ec3ecad0
[ 41.695603] R13: 00007ffc885bd2e0 R14: 00005650ec3edbc0 R15: 00005650ec3fe780
[ 41.696963]
[ 41.697384] irq event stamp: 1739
[ 41.698042] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80
[ 41.699592] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80
[ 41.701120] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770
[ 41.702606] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100
[ 41.703873] ---[ end trace 0000000000000000 ]---
[ 42.466354] ------------[ cut here ]------------
[ 42.467128] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 42.469134] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249
[ 42.470459] Modules linked in:
[ 42.471137] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 42.472760] Tainted: [W]=WARN
[ 42.473217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.474571] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 42.475412] 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
[ 42.478537] RSP: 0018:ffff8880171efbc0 EFLAGS: 00010286
[ 42.479420] RAX: 0000000000000000 RBX: ffffed1002e3df78 RCX: ffffffff813a4050
[ 42.480735] RDX: ffff88800f77b780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.482053] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3df2f
[ 42.483112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.484167] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171efdf8
[ 42.485349] FS: 00007fdfd8a7d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 42.486717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.487794] CR2: 00007ffc1ddb8ef7 CR3: 000000000dd74000 CR4: 0000000000350ef0
[ 42.489015] Call Trace:
[ 42.489400]
[ 42.489937] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.490672] ? __create_object+0x59/0x80
[ 42.491292] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.492086] __vmalloc_noprof+0x59/0x60
[ 42.492734] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.493476] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.494412] bpf_prog_alloc+0x39/0x200
[ 42.495036] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.495947] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.496690] do_seccomp+0x349/0x25e0
[ 42.497251] ? find_held_lock+0x2b/0x80
[ 42.497886] ? do_prlimit+0x310/0x610
[ 42.498470] ? __pfx_do_seccomp+0x10/0x10
[ 42.499121] ? do_raw_spin_unlock+0x53/0x220
[ 42.499804] ? _raw_spin_unlock+0x1e/0x40
[ 42.500414] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.501231] ? static_key_count+0x60/0x80
[ 42.501906] prctl_set_seccomp+0x4e/0x70
[ 42.502550] __do_sys_prctl+0xe6c/0x1d70
[ 42.503167] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.503874] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.504673] ? irqentry_exit+0xf3/0x650
[ 42.505283] do_syscall_64+0xbf/0x430
[ 42.505902] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.506682] RIP: 0033:0x7fdfd8f6f5cd
[ 42.507231] 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
[ 42.510233] RSP: 002b:00007ffc1ddb7020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.511612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8f6f5cd
[ 42.512664] RDX: 0000560933287e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.513800] RBP: 00007ffc1ddb7080 R08: 0000000000000000 R09: 00007ffc1ddb6720
[ 42.514861] R10: 0000000000000000 R11: 0000000000000246 R12: 000056095da61ad0
[ 42.515906] R13: 00007ffc1ddb74b0 R14: 000056095da62bc0 R15: 000056095da73780
[ 42.517016]
[ 42.517369] irq event stamp: 1719
[ 42.517915] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80
[ 42.519161] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80
[ 42.520412] softirqs last enabled at (1464): [] handle_softirqs+0x50c/0x770
[ 42.521871] softirqs last disabled at (1455): [] __irq_exit_rcu+0xc4/0x100
[ 42.523191] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:48535' (ECDSA) to the list of known hosts.
2025/11/18 11:06:40 fuzzer started
2025/11/18 11:06:40 dialing manager at localhost:34383
2025/11/18 11:06:40 checking machine...
2025/11/18 11:06:40 checking revisions...
[ 43.456993] kmemleak: Automatic memory scanning thread ended
2025/11/18 11:06:40 testing simple program...
[ 43.541229] cgroup: Unknown subsys name 'net'
[ 43.597457] cgroup: Unknown subsys name 'cpuset'
[ 43.612729] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[ 52.091137] audit: type=1400 audit(1763464009.267:7): 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:
11:06:39 Registers:
info registers vcpu 0
RAX=ffffffff87ce3608 RBX=ffff888016f38000 RCX=0000000000000200 RDX=0000000000000008
RSI=ffff888016f38a58 RDI=ffff888016f38a58 RBP=ffff888016f38a58 RSP=ffff888016a7f6e0
R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001
R12=ffff888016f38a58 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000
RIP=ffffffff81527574 RFL=00000007 [-----PC] 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 00007fc8b3fb6900 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=00007ffc885b6000 CR3=000000001f7d6000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d
XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170
XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f
XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=00000000dead4ead RBX=ffffffff885983a8 RCX=0000000000000000 RDX=0000000000000000
RSI=000000006ca09226 RDI=ffffffff885983ac RBP=1ffff1100d9e1196 RSP=ffff88806cf08ca8
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001
R12=0000000000000046 R13=ffff8880096efda8 R14=00000009d2a90d40 R15=0000000000000001
RIP=ffffffff8152d689 RFL=00000046 [---Z-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 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe5a00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffcc5d27828 CR3=000000000e7fe000 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=118bec73da9292b7f74a2774da19e858
XMM02=0000000000302b70eff9b2d0a8fce9cb XMM03=0000000000302c402c67c8bc2e329bc3
XMM04=bea1bd949da053a100000000000ae988 XMM05=d96330e2d2db8632000000000031f520
XMM06=474038aa6c007e1f000000000031f3a8 XMM07=e042d86d42eb936e000000000030ed10
XMM08=c9c93bc2a2468fe90000000000302c40 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000