loop0: detected capacity change from 0 to 32768 BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5338) BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d BTRFS info (device loop0): using sha256 (sha256-x86_64) checksum algorithm BTRFS info (device loop0): using free-space-tree BTRFS info (device loop0): rebuilding free space tree BTRFS info (device loop0): scrub: started on devid 1 BTRFS info (device loop0): left=0, need=98304, flags=2 BTRFS info (device loop0): space_info SYSTEM (sub-group id 0) has 0 free, is not full BTRFS info (device loop0): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=0, readonly=4190208 zone_unusable=0 BTRFS info (device loop0): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop0): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop0): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop0): delayed_block_rsv: size 32768 reserved 32768 BTRFS info (device loop0): delayed_refs_rsv: size 0 reserved 0 BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 smc: removing ib device syz0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5338 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Modules linked in: CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller-00253-g4871b7cb27f4 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 d0 40 83 f9 48 83 3b 00 75 0c e8 e5 c0 1f f9 5b c3 cc cc cc cc cc e8 d9 c0 1f f9 90 <0f> 0b 90 5b e9 4f c1 d1 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000fe6f098 EFLAGS: 00010246 RAX: ffffffff88a07247 RBX: ffff8880382c93a0 RCX: 0000000000100000 RDX: ffffc9000dd72000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffff8880382c9080 R08: ffff8880382c8783 R09: 1ffff110070590f0 R10: dffffc0000000000 R11: ffffffff889eaf70 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffffffff889eaf70 R15: dffffc0000000000 FS: 00007f87803ed6c0(0000) GS:ffff88808d21a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557af4a12168 CR3: 00000000432aa000 CR4: 0000000000352ef0 Call Trace: rxe_dealloc+0x27/0xc0 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x51/0x200 drivers/infiniband/core/device.c:656 __ib_unregister_device+0x393/0x3f0 drivers/infiniband/core/device.c:1536 ib_unregister_device_and_put+0xb8/0xf0 drivers/infiniband/core/device.c:1583 nldev_dellink+0x2d1/0x320 drivers/infiniband/core/nldev.c:1826 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6ae/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x759/0x8e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8783f8e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f87803ed038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f87841b5fa0 RCX: 00007f8783f8e9a9 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000008 RBP: 00007f8784010d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f87841b5fa0 R15: 00007fffd12545e8